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439 changed files with 342 additions and 8084 deletions

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@ -1451,87 +1451,6 @@
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"contributions": [
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@ -40,26 +40,25 @@ jobs:
steps:
- name: Checkout Code
uses: actions/checkout@v2
uses: actions/checkout@master
with:
# Disabling shallow clone for improving relevancy of SonarQube reporting
fetch-depth: 0
- name: Set up JDK 11
uses: actions/setup-java@v2
uses: actions/setup-java@master
with:
java-version: 11
distribution: 'adopt'
- name: Cache SonarCloud packages
uses: actions/cache@v2
uses: actions/cache@master
with:
path: ~/.sonar/cache
key: ${{ runner.os }}-sonar
restore-keys: ${{ runner.os }}-sonar
- name: Cache Maven dependencies
uses: actions/cache@v2
uses: actions/cache@master
with:
path: ~/.m2/repository
key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

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@ -38,16 +38,15 @@ jobs:
steps:
- name: Checkout Code
uses: actions/checkout@v2
uses: actions/checkout@master
- name: Set up JDK 11
uses: actions/setup-java@v2
uses: actions/setup-java@master
with:
java-version: 11
distribution: 'adopt'
- name: Cache Maven Dependecies
uses: actions/cache@v2
uses: actions/cache@master
with:
path: ~/.m2/repository
key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

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@ -6,16 +6,16 @@
![Java CI](https://github.com/iluwatar/java-design-patterns/workflows/Java%20CI/badge.svg)
[![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/iluwatar/java-design-patterns/master/LICENSE.md)
[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=ncloc)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=ncloc)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=coverage)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
[![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
[![All Contributors](https://img.shields.io/badge/all_contributors-168-orange.svg?style=flat-square)](#contributors-)
[![All Contributors](https://img.shields.io/badge/all_contributors-159-orange.svg?style=flat-square)](#contributors-)
<!-- ALL-CONTRIBUTORS-BADGE:END -->
<br/>
Read in different language : [**zh**](/localization/zh/README.md), [**ko**](/localization/ko/README.md), [**fr**](/localization/fr/README.md), [**tr**](/localization/tr/README.md), [**ar**](/localization/ar/README.md), [**es**](/localization/es/README.md)
Read in different language : [![CN](/assets/flags/CN.png)**CN**](/zh/README.md), [![KR](/assets/flags/KR.png)**KR**](/ko/README.md), [![FR](/assets/flags/FR.png)**FR**](/fr/README.md), [![TR](/assets/flags/TR.png)**TR**](/tr/README.md), [![AR](/assets/flags/AR.png)**AR**](/ar/README.md)
<br/>
@ -34,7 +34,7 @@ are familiar with the patterns.
# Getting started
This site showcases Java Design Patterns. The solutions have been developed by
experienced programmers and architects from the open source community. The
experienced programmers and architects from the open source community. The
patterns can be browsed by their high level descriptions or by looking at their
source code. The source code examples are well commented and can be thought as
programming tutorials on how to implement a specific pattern. We use the most
@ -49,7 +49,7 @@ patterns should only be introduced when they are needed for practical
extensibility.
Once you are familiar with these concepts you can start drilling down into the
[available design patterns](https://java-design-patterns.com/patterns/) by any
[available design patterns](https://java-design-patterns.com/patterns/) by any
of the following approaches
- Search for a specific pattern by name. Can't find one? Please report a new pattern [here](https://github.com/iluwatar/java-design-patterns/issues).
@ -61,8 +61,8 @@ in your architectures and have as much fun learning them as we had developing th
# How to contribute
If you are willing to contribute to the project you will find the relevant information in
our [developer wiki](https://github.com/iluwatar/java-design-patterns/wiki). We will help
If you are willing to contribute to the project you will find the relevant information in
our [developer wiki](https://github.com/iluwatar/java-design-patterns/wiki). We will help
you and answer your questions in the [Gitter chatroom](https://gitter.im/iluwatar/java-design-patterns).
# License
@ -125,7 +125,7 @@ This project is licensed under the terms of the MIT license.
</tr>
<tr>
<td align="center"><a href="https://amarnath510.github.io/portfolio"><img src="https://avatars0.githubusercontent.com/u/4599623?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Amarnath Chandana</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Amarnath510" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/Anurag870"><img src="https://avatars1.githubusercontent.com/u/6295975?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Anurag870</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Anurag870" title="Code">💻</a> <a href="https://github.com/iluwatar/java-design-patterns/commits?author=Anurag870" title="Documentation">📖</a></td>
<td align="center"><a href="https://github.com/Anurag870"><img src="https://avatars1.githubusercontent.com/u/6295975?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Anurag870</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Anurag870" title="Code">💻</a></td>
<td align="center"><a href="http://theerroris.me"><img src="https://avatars0.githubusercontent.com/u/1685953?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Wes Gilleland</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Deathnerd" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/Harshrajsinh"><img src="https://avatars2.githubusercontent.com/u/22811531?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Harshraj Thakor</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Harshrajsinh" title="Code">💻</a></td>
</tr>
@ -229,7 +229,7 @@ This project is licensed under the terms of the MIT license.
<td align="center"><a href="http://vk.com/yuri.orlov"><img src="https://avatars0.githubusercontent.com/u/1595733?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Yuri Orlov</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=yorlov" title="Code">💻</a></td>
<td align="center"><a href="https://www.linkedin.com/in/varunu28/"><img src="https://avatars0.githubusercontent.com/u/7676016?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Varun Upadhyay</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=varunu28" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/PalAditya"><img src="https://avatars2.githubusercontent.com/u/25523604?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Aditya Pal</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=PalAditya" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/grzesiekkedzior"><img src="https://avatars3.githubusercontent.com/u/23739158?v=4?s=100" width="100px;" alt=""/><br /><sub><b>grzesiekkedzior</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=grzesiekkedzior" title="Code">💻</a> <a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Agrzesiekkedzior" title="Reviewed Pull Requests">👀</a></td>
<td align="center"><a href="https://github.com/grzesiekkedzior"><img src="https://avatars3.githubusercontent.com/u/23739158?v=4?s=100" width="100px;" alt=""/><br /><sub><b>grzesiekkedzior</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=grzesiekkedzior" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/sivasubramanim"><img src="https://avatars2.githubusercontent.com/u/51107434?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Sivasubramani M</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=sivasubramanim" title="Code">💻</a></td>
@ -252,7 +252,7 @@ This project is licensed under the terms of the MIT license.
<tr>
<td align="center"><a href="https://github.com/nishant"><img src="https://avatars2.githubusercontent.com/u/15331971?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Nishant Arora</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=nishant" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/raja-peeyush-kumar-singh"><img src="https://avatars0.githubusercontent.com/u/5496024?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Peeyush</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=raja-peeyush-kumar-singh" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/ravening"><img src="https://avatars1.githubusercontent.com/u/10645273?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rakesh</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ravening" title="Code">💻</a> <a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Aravening" title="Reviewed Pull Requests">👀</a></td>
<td align="center"><a href="https://github.com/ravening"><img src="https://avatars1.githubusercontent.com/u/10645273?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rakesh</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ravening" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/vINCENT8888801"><img src="https://avatars0.githubusercontent.com/u/8037883?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Wei Seng</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=vINCENT8888801" title="Code">💻</a></td>
</tr>
<tr>
@ -261,72 +261,6 @@ This project is licensed under the terms of the MIT license.
<td align="center"><a href="https://xdvrx1.github.io/"><img src="https://avatars0.githubusercontent.com/u/47092464?v=4?s=100" width="100px;" alt=""/><br /><sub><b>xdvrx1</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Axdvrx1" title="Reviewed Pull Requests">👀</a> <a href="#ideas-xdvrx1" title="Ideas, Planning, & Feedback">🤔</a></td>
<td align="center"><a href="http://subho.xyz"><img src="https://avatars0.githubusercontent.com/u/13291222?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Subhrodip Mohanta</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ohbus" title="Code">💻</a> <a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Aohbus" title="Reviewed Pull Requests">👀</a> <a href="#maintenance-ohbus" title="Maintenance">🚧</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/nahteb"><img src="https://avatars3.githubusercontent.com/u/13121570?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Bethan Palmer</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=nahteb" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/ToxicDreamz"><img src="https://avatars0.githubusercontent.com/u/45225562?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Toxic Dreamz</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ToxicDreamz" title="Code">💻</a></td>
<td align="center"><a href="http://www.edycutjong.com"><img src="https://avatars1.githubusercontent.com/u/1098102?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Edy Cu Tjong</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=edycutjong" title="Documentation">📖</a></td>
<td align="center"><a href="https://github.com/mkrzywanski"><img src="https://avatars0.githubusercontent.com/u/15279585?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Michał Krzywański</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=mkrzywanski" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://www.stefan-birkner.de"><img src="https://avatars1.githubusercontent.com/u/711349?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Stefan Birkner</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=stefanbirkner" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/fedorskvorcov"><img src="https://avatars3.githubusercontent.com/u/43882212?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Fedor Skvorcov</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=fedorskvorcov" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/samilAyoub"><img src="https://avatars0.githubusercontent.com/u/61546990?v=4?s=100" width="100px;" alt=""/><br /><sub><b>samilAyoub</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=samilAyoub" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/vdlald"><img src="https://avatars0.githubusercontent.com/u/29997701?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Vladislav Golubinov</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=vdlald" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/swarajsaaj"><img src="https://avatars2.githubusercontent.com/u/6285049?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Swaraj</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=swarajsaaj" title="Code">💻</a></td>
<td align="center"><a href="http://christophflick.de"><img src="https://avatars0.githubusercontent.com/u/4465376?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Christoph Flick</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ChFlick" title="Documentation">📖</a></td>
<td align="center"><a href="https://github.com/Ascenio"><img src="https://avatars1.githubusercontent.com/u/7662016?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ascênio</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3AAscenio" title="Reviewed Pull Requests">👀</a></td>
<td align="center"><a href="https://www.linkedin.com/in/domenico-sibilio/"><img src="https://avatars2.githubusercontent.com/u/24280982?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Domenico Sibilio</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=dsibilio" title="Documentation">📖</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/akashchandwani"><img src="https://avatars2.githubusercontent.com/u/3483277?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Akash Chandwani</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Aakashchandwani" title="Reviewed Pull Requests">👀</a></td>
<td align="center"><a href="http://www.linkedin.com/in/manannikov"><img src="https://avatars2.githubusercontent.com/u/7019769?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Pavlo Manannikov</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=manannikov" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/eimanip"><img src="https://avatars0.githubusercontent.com/u/20307301?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eiman</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=eimanip" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/OrangePants-R"><img src="https://avatars0.githubusercontent.com/u/42976136?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rocky</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=OrangePants-R" title="Documentation">📖</a></td>
</tr>
<tr>
<td align="center"><a href="https://ibrahimalii.github.io/"><img src="https://avatars2.githubusercontent.com/u/21141301?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ibrahim ali abdelghany</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3AibrahimAlii" title="Reviewed Pull Requests">👀</a></td>
<td align="center"><a href="https://github.com/gkulkarni2020"><img src="https://avatars3.githubusercontent.com/u/5161548?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Girish Kulkarni</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=gkulkarni2020" title="Documentation">📖</a></td>
<td align="center"><a href="https://github.com/omk13"><img src="https://avatars0.githubusercontent.com/u/59054172?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Omar Karazoun</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=omk13" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/jeff303"><img src="https://avatars0.githubusercontent.com/u/3521562?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jeff Evans</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=jeff303" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://viveksb007.github.io"><img src="https://avatars1.githubusercontent.com/u/12713808?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Vivek Singh</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=viveksb007" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/siavashsoleymani"><img src="https://avatars2.githubusercontent.com/u/18074419?v=4?s=100" width="100px;" alt=""/><br /><sub><b>siavash</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=siavashsoleymani" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/ruchpeanuts"><img src="https://avatars0.githubusercontent.com/u/29301900?v=4?s=100" width="100px;" alt=""/><br /><sub><b>ruchpeanuts</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ruchpeanuts" title="Documentation">📖</a></td>
<td align="center"><a href="https://github.com/warp125"><img src="https://avatars1.githubusercontent.com/u/48073115?v=4?s=100" width="100px;" alt=""/><br /><sub><b>warp125</b></sub></a><br /><a href="#translation-warp125" title="Translation">🌍</a></td>
</tr>
<tr>
<td align="center"><a href="http://libkhadir.fr"><img src="https://avatars1.githubusercontent.com/u/45130488?v=4?s=100" width="100px;" alt=""/><br /><sub><b>KHADIR Tayeb</b></sub></a><br /><a href="#translation-tkhadir" title="Translation">🌍</a></td>
<td align="center"><a href="https://github.com/ignite1771"><img src="https://avatars2.githubusercontent.com/u/59446563?v=4?s=100" width="100px;" alt=""/><br /><sub><b>ignite1771</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ignite1771" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/demirhalil"><img src="https://avatars1.githubusercontent.com/u/22895118?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Halil Demir</b></sub></a><br /><a href="#translation-demirhalil" title="Translation">🌍</a></td>
<td align="center"><a href="https://github.com/rohit10000"><img src="https://avatars.githubusercontent.com/u/20845565?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rohit Singh</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=rohit10000" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/byoungju94"><img src="https://avatars.githubusercontent.com/u/42516378?v=4?s=100" width="100px;" alt=""/><br /><sub><b>byoungju94</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=byoungju94" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/moustafafarhat"><img src="https://avatars.githubusercontent.com/u/38836727?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Moustafa Farhat</b></sub></a><br /><a href="#translation-moustafafarhat" title="Translation">🌍</a></td>
<td align="center"><a href="https://github.com/richardmr36"><img src="https://avatars.githubusercontent.com/u/19147333?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Martel Richard</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=richardmr36" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/va1m"><img src="https://avatars.githubusercontent.com/u/17025445?v=4?s=100" width="100px;" alt=""/><br /><sub><b>va1m</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=va1m" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/noamgrinch"><img src="https://avatars.githubusercontent.com/u/31648669?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Noam Greenshtain</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=noamgrinch" title="Code">💻</a></td>
<td align="center"><a href="https://xuyonghong.cn/"><img src="https://avatars.githubusercontent.com/u/14086462?v=4?s=100" width="100px;" alt=""/><br /><sub><b>yonghong Xu</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=qfxl" title="Documentation">📖</a></td>
<td align="center"><a href="https://www.linkedin.com/in/jinisha-vora"><img src="https://avatars.githubusercontent.com/u/40777762?v=4?s=100" width="100px;" alt=""/><br /><sub><b>jinishavora</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Ajinishavora" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/iluwatar/java-design-patterns/commits?author=jinishavora" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/eas5"><img src="https://avatars.githubusercontent.com/u/50836521?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Elvys Soares</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=eas5" title="Code">💻</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/zWeBrain"><img src="https://avatars.githubusercontent.com/u/46642512?v=4?s=100" width="100px;" alt=""/><br /><sub><b>zWeBrain</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=zWeBrain" title="Code">💻</a></td>
<td align="center"><a href="https://al-assad.github.io/notion/"><img src="https://avatars.githubusercontent.com/u/22493821?v=4?s=100" width="100px;" alt=""/><br /><sub><b>余林颖</b></sub></a><br /><a href="#translation-Al-assad" title="Translation">🌍</a></td>
<td align="center"><a href="https://github.com/STudio26"><img src="https://avatars.githubusercontent.com/u/6988911?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alain</b></sub></a><br /><a href="#translation-STudio26" title="Translation">🌍</a></td>
<td align="center"><a href="https://github.com/DEV-VRUPER"><img src="https://avatars.githubusercontent.com/u/30525467?v=4?s=100" width="100px;" alt=""/><br /><sub><b>VR</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=DEV-VRUPER" title="Documentation">📖</a></td>
</tr>
<tr>
<td align="center"><a href="https://github.com/JackieNim"><img src="https://avatars.githubusercontent.com/u/4138836?v=4?s=100" width="100px;" alt=""/><br /><sub><b>JackieNim</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=JackieNim" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/EdisonE3"><img src="https://avatars.githubusercontent.com/u/52118917?v=4?s=100" width="100px;" alt=""/><br /><sub><b>EdisonE3</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=EdisonE3" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/tao-sun2"><img src="https://avatars.githubusercontent.com/u/66189688?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Tao</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=tao-sun2" title="Code">💻</a></td>
<td align="center"><a href="https://github.com/JuanManuelAbate"><img src="https://avatars.githubusercontent.com/u/16357060?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Juan Manuel Abate</b></sub></a><br /><a href="#translation-JuanManuelAbate" title="Translation">🌍</a></td>
</tr>
</table>
<!-- markdownlint-restore -->

View File

@ -4,7 +4,6 @@ title: Abstract Document
folder: abstract-document
permalink: /patterns/abstract-document/
categories: Structural
language: en
tags:
- Extensibility
---

View File

@ -30,7 +30,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>abstract-document</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Abstract Factory
folder: abstract-factory
permalink: /patterns/abstract-factory/
categories: Creational
language: en
tags:
- Gang of Four
---
@ -20,9 +19,9 @@ objects without specifying their concrete classes.
## Explanation
Real-world example
Real world example
> To create a kingdom we need objects with a common theme. The elven kingdom needs an elven king, elven castle, and elven army whereas the orcish kingdom needs an orcish king, orcish castle, and orcish army. There is a dependency between the objects in the kingdom.
> To create a kingdom we need objects with a common theme. Elven kingdom needs an Elven king, Elven castle and Elven army whereas Orcish kingdom needs an Orcish king, Orcish castle and Orcish army. There is a dependency between the objects in the kingdom.
In plain words
@ -34,7 +33,7 @@ Wikipedia says
**Programmatic Example**
Translating the kingdom example above. First of all, we have some interfaces and implementation for the objects in the
Translating the kingdom example above. First of all we have some interfaces and implementation for the objects in the
kingdom.
```java
@ -52,21 +51,21 @@ public interface Army {
// Elven implementations ->
public class ElfCastle implements Castle {
static final String DESCRIPTION = "This is the elven castle!";
static final String DESCRIPTION = "This is the Elven castle!";
@Override
public String getDescription() {
return DESCRIPTION;
}
}
public class ElfKing implements King {
static final String DESCRIPTION = "This is the elven king!";
static final String DESCRIPTION = "This is the Elven king!";
@Override
public String getDescription() {
return DESCRIPTION;
}
}
public class ElfArmy implements Army {
static final String DESCRIPTION = "This is the elven Army!";
static final String DESCRIPTION = "This is the Elven Army!";
@Override
public String getDescription() {
return DESCRIPTION;
@ -77,7 +76,7 @@ public class ElfArmy implements Army {
```
Then we have the abstraction and implementations for the kingdom factory.
Then we have the abstraction and implementations for the kingdom factory
```java
public interface KingdomFactory {
@ -111,7 +110,7 @@ public class OrcKingdomFactory implements KingdomFactory {
}
```
Now we have the abstract factory that lets us make a family of related objects i.e. elven kingdom factory creates elven castle, king and army, etc.
Now we have our abstract factory that lets us make family of related objects i.e. Elven kingdom factory creates Elven castle, king and army etc.
```java
var factory = new ElfKingdomFactory();
@ -127,13 +126,13 @@ army.getDescription();
Program output:
```java
This is the elven castle!
This is the elven king!
This is the elven Army!
This is the Elven castle!
This is the Elven king!
This is the Elven Army!
```
Now, we can design a factory for our different kingdom factories. In this example, we created `FactoryMaker`, responsible for returning an instance of either `ElfKingdomFactory` or `OrcKingdomFactory`.
The client can use `FactoryMaker` to create the desired concrete factory which, in turn, will produce different concrete objects (derived from `Army`, `King`, `Castle`).
Now, we can design a factory for our different kingdom factories. In this example, we created FactoryMaker, responsible for returning an instance of either ElfKingdomFactory or OrcKingdomFactory.
The client can use FactoryMaker to create the desired concrete factory which, in turn, will produce different concrete objects (Army, King, Castle).
In this example, we also used an enum to parameterize which type of kingdom factory the client will ask for.
```java
@ -179,8 +178,8 @@ public static void main(String[] args) {
Use the Abstract Factory pattern when
* The system should be independent of how its products are created, composed, and represented
* The system should be configured with one of the multiple families of products
* The system should be independent of how its products are created, composed and represented
* The system should be configured with one of multiple families of products
* The family of related product objects is designed to be used together, and you need to enforce this constraint
* You want to provide a class library of products, and you want to reveal just their interfaces, not their implementations
* The lifetime of the dependency is conceptually shorter than the lifetime of the consumer.
@ -200,7 +199,7 @@ Example use cases
* Dependency injection in java hides the service class dependencies that can lead to runtime errors that would have been caught at compile time.
* While the pattern is great when creating predefined objects, adding the new ones might be challenging.
* The code becomes more complicated than it should be since a lot of new interfaces and classes are introduced along with the pattern.
* The code becomes more complicated than it should be, since a lot of new interfaces and classes are introduced along with the pattern.
## Tutorial

View File

@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>abstract-factory</artifactId>
<dependencies>

View File

@ -37,7 +37,7 @@ import lombok.extern.slf4j.Slf4j;
*
* <p>The essence of the Abstract Factory pattern is a factory interface ({@link KingdomFactory})
* and its implementations ( {@link ElfKingdomFactory}, {@link OrcKingdomFactory}). The example uses
* both concrete implementations to create a king, a castle, and an army.
* both concrete implementations to create a king, a castle and an army.
*/
@Slf4j
public class App implements Runnable {
@ -60,13 +60,13 @@ public class App implements Runnable {
@Override
public void run() {
LOGGER.info("elf kingdom");
LOGGER.info("Elf Kingdom");
createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
LOGGER.info(kingdom.getArmy().getDescription());
LOGGER.info(kingdom.getCastle().getDescription());
LOGGER.info(kingdom.getKing().getDescription());
LOGGER.info("orc kingdom");
LOGGER.info("Orc Kingdom");
createKingdom(Kingdom.FactoryMaker.KingdomType.ORC);
LOGGER.info(kingdom.getArmy().getDescription());
LOGGER.info(kingdom.getCastle().getDescription());

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class ElfArmy implements Army {
static final String DESCRIPTION = "This is the elven army!";
static final String DESCRIPTION = "This is the Elven Army!";
@Override
public String getDescription() {

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class ElfCastle implements Castle {
static final String DESCRIPTION = "This is the elven castle!";
static final String DESCRIPTION = "This is the Elven castle!";
@Override
public String getDescription() {

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class ElfKing implements King {
static final String DESCRIPTION = "This is the elven king!";
static final String DESCRIPTION = "This is the Elven king!";
@Override
public String getDescription() {

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class OrcArmy implements Army {
static final String DESCRIPTION = "This is the orc army!";
static final String DESCRIPTION = "This is the Orc Army!";
@Override
public String getDescription() {

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class OrcCastle implements Castle {
static final String DESCRIPTION = "This is the orc castle!";
static final String DESCRIPTION = "This is the Orc castle!";
@Override
public String getDescription() {

View File

@ -28,7 +28,7 @@ package com.iluwatar.abstractfactory;
*/
public class OrcKing implements King {
static final String DESCRIPTION = "This is the orc king!";
static final String DESCRIPTION = "This is the Orc king!";
@Override
public String getDescription() {

View File

@ -29,14 +29,14 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* Tests for abstract factory.
* Test for abstract factory.
*/
class AbstractFactoryTest {
private final App app = new App();
@Test
void verifyKingCreation() {
void king() {
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
final var kingdom = app.getKingdom();
@ -51,7 +51,7 @@ class AbstractFactoryTest {
}
@Test
void verifyCastleCreation() {
void castle() {
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
final var kingdom = app.getKingdom();
@ -66,7 +66,7 @@ class AbstractFactoryTest {
}
@Test
void verifyArmyCreation() {
void army() {
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
final var kingdom = app.getKingdom();
@ -81,7 +81,7 @@ class AbstractFactoryTest {
}
@Test
void verifyElfKingdomCreation() {
void createElfKingdom() {
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
final var kingdom = app.getKingdom();
@ -97,7 +97,7 @@ class AbstractFactoryTest {
}
@Test
void verifyOrcKingdomCreation() {
void createOrcKingdom() {
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ORC);
final var kingdom = app.getKingdom();

View File

@ -28,7 +28,10 @@ import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
/**
* Check whether the execution of the main method in {@link App} throws an exception.
* Issue: Add at least one assertion to this test case.
*
* Solution: Inserted assertion to check whether the execution of the main method in {@link App}
* throws an exception.
*/
class AppTest {

View File

@ -4,7 +4,6 @@ title: Active Object
folder: active-object
permalink: /patterns/active-object/
categories: Concurrency
language: en
tags:
- Performance
---

View File

@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>active-object</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Acyclic Visitor
folder: acyclic-visitor
permalink: /patterns/acyclic-visitor/
categories: Behavioral
language: en
tags:
- Extensibility
---

View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>acyclic-visitor</artifactId>

View File

@ -4,7 +4,6 @@ title: Adapter
folder: adapter
permalink: /patterns/adapter/
categories: Structural
language: en
tags:
- Gang of Four
---

View File

@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>adapter</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Aggregator Microservices
folder: aggregator-microservices
permalink: /patterns/aggregator-microservices/
categories: Architectural
language: en
tags:
- Cloud distributed
- Decoupling

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>aggregator-service</artifactId>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>inventory-microservice</artifactId>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>aggregator-microservices</artifactId>

View File

@ -4,7 +4,6 @@ title: Ambassador
folder: ambassador
permalink: /patterns/ambassador/
categories: Structural
language: en
tags:
- Decoupling
- Cloud distributed

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>ambassador</artifactId>

View File

@ -4,7 +4,6 @@ title: API Gateway
folder: api-gateway
permalink: /patterns/api-gateway/
categories: Architectural
language: en
tags:
- Cloud distributed
- Decoupling

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>api-gateway-service</artifactId>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>image-microservice</artifactId>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>api-gateway</artifactId>

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

View File

@ -4,7 +4,6 @@ title: Arrange/Act/Assert
folder: arrange-act-assert
permalink: /patterns/arrange-act-assert/
categories: Idiom
language: en
tags:
- Testing
---

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

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@ -4,7 +4,6 @@ title: Async Method Invocation
folder: async-method-invocation
permalink: /patterns/async-method-invocation/
categories: Concurrency
language: en
tags:
- Reactive
---

View File

@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>async-method-invocation</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Balking
folder: balking
permalink: /patterns/balking/
categories: Concurrency
language: en
tags:
- Decoupling
---

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

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@ -4,7 +4,6 @@ title: Bridge
folder: bridge
permalink: /patterns/bridge/
categories: Structural
language: en
tags:
- Gang of Four
---

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@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>bridge</artifactId>
<dependencies>

View File

@ -43,7 +43,7 @@ public class Hammer implements Weapon {
@Override
public void swing() {
LOGGER.info("The hammer is swung.");
LOGGER.info("The hammer is swinged.");
enchantment.apply();
}

View File

@ -43,7 +43,7 @@ public class Sword implements Weapon {
@Override
public void swing() {
LOGGER.info("The sword is swung.");
LOGGER.info("The sword is swinged.");
enchantment.apply();
}

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@ -4,7 +4,6 @@ title: Builder
folder: builder
permalink: /patterns/builder/
categories: Creational
language: en
tags:
- Gang of Four
---

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@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>builder</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Business Delegate
folder: business-delegate
permalink: /patterns/business-delegate/
categories: Structural
language: en
tags:
- Decoupling
---

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@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>business-delegate</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Bytecode
folder: bytecode
permalink: /patterns/bytecode/
categories: Behavioral
language: en
tags:
- Game programming
---

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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

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@ -4,7 +4,6 @@ title: Caching
folder: caching
permalink: /patterns/caching/
categories: Behavioral
language: en
tags:
- Performance
- Cloud distributed

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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>caching</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Callback
folder: callback
permalink: /patterns/callback/
categories: Idiom
language: en
tags:
- Reactive
---

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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>callback</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Chain of responsibility
folder: chain
permalink: /patterns/chain/
categories: Behavioral
language: en
tags:
- Gang of Four
---

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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>chain</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Circuit Breaker
folder: circuit-breaker
permalink: /patterns/circuit-breaker/
categories: Behavioral
language: en
tags:
- Performance
- Decoupling

View File

@ -27,7 +27,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>circuit-breaker</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Static Content Hosting
folder: cloud-static-content-hosting
permalink: /patterns/cloud-static-content-hosting/
categories: Cloud
language: en
tags:
- Cloud distributed
---

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@ -4,7 +4,6 @@ title: Collection Pipeline
folder: collection-pipeline
permalink: /patterns/collection-pipeline/
categories: Functional
language: en
tags:
- Reactive
---

View File

@ -27,7 +27,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>collection-pipeline</artifactId>
<dependencies>

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@ -4,7 +4,6 @@ title: Combinator
folder: combinator
permalink: /patterns/combinator/
categories: Idiom
language: en
tags:
- Reactive
---

View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>combinator</artifactId>

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@ -4,7 +4,6 @@ title: Command
folder: command
permalink: /patterns/command/
categories: Behavioral
language: en
tags:
- Gang of Four
---

View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>command</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Commander
folder: commander
permalink: /patterns/commander/
categories: Concurrency
language: en
tags:
- Cloud distributed
---

View File

@ -27,7 +27,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>commander</artifactId>
<dependencies>

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@ -1,123 +0,0 @@
---
layout: pattern
title: Composite Entity
folder: composite-entity
permalink: /patterns/composite-entity/
categories: Structural
language: en
tags:
- Enterprise Integration Pattern
---
## Intent
It is used to model, represent, and manage a set of persistent objects that are interrelated, rather than representing them as individual fine-grained entities.
## Explanation
Real world example
> For a console, there may be many interfaces that need to be managed and controlled. Using the composite entity pattern, dependent objects such as messages and signals can be combined together and controlled using a single object.
In plain words
> Composite entity pattern allows a set of related objects to be represented and managed by a unified object.
**Programmatic Example**
We need a generic solution for the problem. To achieve this, let's introduce a generic
Composite Entity Pattern.
```java
public abstract class DependentObject<T> {
T data;
public void setData(T message) {
this.data = message;
}
public T getData() {
return data;
}
}
public abstract class CoarseGrainedObject<T> {
DependentObject<T>[] dependentObjects;
public void setData(T... data) {
IntStream.range(0, data.length).forEach(i -> dependentObjects[i].setData(data[i]));
}
public T[] getData() {
return (T[]) Arrays.stream(dependentObjects).map(DependentObject::getData).toArray();
}
}
```
The specialized composite entity `console` inherit from this base class as follows.
```java
public class MessageDependentObject extends DependentObject<String> {
}
public class SignalDependentObject extends DependentObject<String> {
}
public class ConsoleCoarseGrainedObject extends CoarseGrainedObject<String> {
@Override
public String[] getData() {
super.getData();
return new String[]{
dependentObjects[0].getData(), dependentObjects[1].getData()
};
}
public void init() {
dependentObjects = new DependentObject[]{
new MessageDependentObject(), new SignalDependentObject()};
}
}
public class CompositeEntity {
private final ConsoleCoarseGrainedObject console = new ConsoleCoarseGrainedObject();
public void setData(String message, String signal) {
console.setData(message, signal);
}
public String[] getData() {
return console.getData();
}
}
```
Now managing the assignment of message and signal objects with the composite entity `console`.
```java
var console = new CompositeEntity();
console.init();
console.setData("No Danger", "Green Light");
Arrays.stream(console.getData()).forEach(LOGGER::info);
console.setData("Danger", "Red Light");
Arrays.stream(console.getData()).forEach(LOGGER::info);
```
## Class diagram
![alt text](./etc/composite_entity.urm.png "Composite Entity Pattern")
## Applicability
Use the Composite Entity Pattern in the following situation:
* You want to manage multiple dependency objects through one object to adjust the degree of granularity between objects. At the same time, the lifetime of dependency objects depends on a coarse-grained object.
## Credits
* [Composite Entity Pattern in wikipedia](https://en.wikipedia.org/wiki/Composite_entity_pattern)

View File

@ -1,45 +0,0 @@
@startuml
package com.iluwatar.compositeentity {
class App {
+ App(message: String, signal: String)
+ main(args : String[]) {static}
}
class CompositeEntity{
- console : ConsoleCoarseGrainedObject
+ CompositeEntity()
+ setData(message: String, signal: String)
+ getData()
+ init()
}
abstract CoarseGrainedObject{
- dependentObjects : DependentObject[]
+ CoarseGrainedObject()
+ setData(data: T[])
+ getData()
}
abstract DependentObject{
- data : T
+ DependentObject()
+ setData(data: T)
+ getData()
}
class ConsoleCoarseGrainedObject{
+ ConsoleCoarseGrainedObject()
+ getData()
+ init()
}
class MessageDependentObject{
+ MessageDependentObject()
}
class SignalDependentObject{
+ SignalDependentObject()
}
MessageDependentObject --|> DependentObject
SignalDependentObject --|> DependentObject
ConsoleCoarseGrainedObject --|> CoarseGrainedObject
CompositeEntity -right-> ConsoleCoarseGrainedObject
CoarseGrainedObject "1" o--> "0.." DependentObject
App .right.> CompositeEntity
}
@enduml

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@ -1,63 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
The MIT License
Copyright © 2014-2021 Ilkka Seppälä
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>composite-entity</artifactId>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<configuration>
<archive>
<manifest>
<mainClass>com.iluwatar.composite-entity.com.iluwatar.compositeentity.App</mainClass>
</manifest>
</archive>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

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@ -1,61 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
import java.util.Arrays;
import lombok.extern.slf4j.Slf4j;
/**
* Composite entity is a Java EE Software design pattern and it is used to model, represent, and
* manage a set of interrelated persistent objects rather than representing them as individual
* fine-grained entity beans, and also a composite entity bean represents a graph of objects.
*/
@Slf4j
public class App {
/**
* An instance that a console manages two related objects.
*/
public App(String message, String signal) {
var console = new CompositeEntity();
console.init();
console.setData(message, signal);
Arrays.stream(console.getData()).forEach(LOGGER::info);
console.setData("Danger", "Red Light");
Arrays.stream(console.getData()).forEach(LOGGER::info);
}
/**
* Program entry point.
*
* @param args command line args
*/
public static void main(String[] args) {
new App("No Danger", "Green Light");
}
}

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@ -1,46 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
import java.util.Arrays;
import java.util.stream.IntStream;
/**
* A coarse-grained object is an object with its own life cycle manages its own relationships to
* other objects. It can be an object contained in the composite entity, or, composite entity itself
* can be the coarse-grained object which holds dependent objects.
*/
public abstract class CoarseGrainedObject<T> {
DependentObject<T>[] dependentObjects;
public void setData(T... data) {
IntStream.range(0, data.length).forEach(i -> dependentObjects[i].setData(data[i]));
}
public T[] getData() {
return (T[]) Arrays.stream(dependentObjects).map(DependentObject::getData).toArray();
}
}

View File

@ -1,46 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
/**
* Composite entity is the coarse-grained entity bean which may be the coarse-grained object, or may
* contain a reference to the coarse-grained object.
*/
public class CompositeEntity {
private final ConsoleCoarseGrainedObject console = new ConsoleCoarseGrainedObject();
public void setData(String message, String signal) {
console.setData(message, signal);
}
public String[] getData() {
return console.getData();
}
public void init() {
console.init();
}
}

View File

@ -1,43 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
/**
* A specific CoarseGrainedObject to implement a console.
*/
public class ConsoleCoarseGrainedObject extends CoarseGrainedObject<String> {
@Override
public String[] getData() {
return new String[]{
dependentObjects[0].getData(), dependentObjects[1].getData()
};
}
public void init() {
dependentObjects = new DependentObject[]{
new MessageDependentObject(), new SignalDependentObject()};
}
}

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@ -1,43 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
/**
* It is an object, which can contain other dependent objects (there may be a tree of objects within
* the composite entity), that depends on the coarse-grained object and has its life cycle managed
* by the coarse-grained object.
*/
public abstract class DependentObject<T> {
T data;
public void setData(T message) {
this.data = message;
}
public T getData() {
return data;
}
}

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@ -1,32 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
/**
* The first DependentObject to show message.
*/
public class MessageDependentObject extends DependentObject<String> {
}

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@ -1,32 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
/**
* The second DependentObject to show message.
*/
public class SignalDependentObject extends DependentObject<String> {
}

View File

@ -1,48 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import org.junit.jupiter.api.Test;
/**
* com.iluwatar.compositeentity.App running test
*/
class AppTest {
/**
* Issue: Add at least one assertion to this test case.
* <p>
* Solution: Inserted assertion to check whether the execution of the main method in {@link
* App#main(String[])} throws an exception.
*/
@Test
void shouldExecuteApplicationWithoutException() {
assertDoesNotThrow(() -> App.main(new String[]{}));
}
}

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@ -1,55 +0,0 @@
/*
* The MIT License
* Copyright © 2014-2021 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.compositeentity;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class PersistenceTest {
final static ConsoleCoarseGrainedObject console = new ConsoleCoarseGrainedObject();
@Test
void dependentObjectChangedForPersistenceTest() {
MessageDependentObject dependentObject = new MessageDependentObject();
console.init();
console.dependentObjects[0] = dependentObject;
String message = "Danger";
assertNull(console.dependentObjects[0].getData());
dependentObject.setData(message);
assertEquals(message, console.dependentObjects[0].getData());
}
@Test
void coarseGrainedObjectChangedForPersistenceTest() {
MessageDependentObject dependentObject = new MessageDependentObject();
console.init();
console.dependentObjects[0] = dependentObject;
String message = "Danger";
assertNull(console.dependentObjects[0].getData());
console.setData(message);
assertEquals(message, dependentObject.getData());
}
}

View File

@ -4,7 +4,6 @@ title: Composite
folder: composite
permalink: /patterns/composite/
categories: Structural
language: en
tags:
- Gang of Four
---

View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>composite</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Converter
folder: converter
permalink: /patterns/converter/
categories: Creational
language: en
tags:
- Decoupling
---

View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>converter</artifactId>
<modelVersion>4.0.0</modelVersion>

View File

@ -4,7 +4,6 @@ title: CQRS
folder: cqrs
permalink: /patterns/cqrs/
categories: Architectural
language: en
tags:
- Performance
- Cloud distributed

View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>cqrs</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Data Access Object
folder: dao
permalink: /patterns/dao/
categories: Architectural
language: en
tags:
- Data access
---

View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>dao</artifactId>

View File

@ -5,7 +5,6 @@ folder: data-bus
permalink: /patterns/data-bus/
categories: Architectural
language: en
tags:
- Decoupling
---

View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>data-bus</artifactId>
<dependencies>

View File

@ -4,7 +4,6 @@ title: Data Locality
folder: data-locality
permalink: /patterns/data-locality/
categories: Behavioral
language: en
tags:
- Game programming
- Performance

View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.25.0-SNAPSHOT</version>
<version>1.24.0-SNAPSHOT</version>
</parent>
<artifactId>data-locality</artifactId>

View File

@ -4,7 +4,6 @@ title: Data Mapper
folder: data-mapper
permalink: /patterns/data-mapper/
categories: Architectural
language: en
tags:
- Decoupling
---

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