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| 965d38f139 |
@ -1132,7 +1132,8 @@
|
||||
"profile": "http://subho.xyz",
|
||||
"contributions": [
|
||||
"code",
|
||||
"review"
|
||||
"review",
|
||||
"maintenance"
|
||||
]
|
||||
},
|
||||
{
|
||||
@ -1450,6 +1451,87 @@
|
||||
"review",
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "eas5",
|
||||
"name": "Elvys Soares",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/50836521?v=4",
|
||||
"profile": "https://github.com/eas5",
|
||||
"contributions": [
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "zWeBrain",
|
||||
"name": "zWeBrain",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/46642512?v=4",
|
||||
"profile": "https://github.com/zWeBrain",
|
||||
"contributions": [
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "Al-assad",
|
||||
"name": "余林颖",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/22493821?v=4",
|
||||
"profile": "https://al-assad.github.io/notion/",
|
||||
"contributions": [
|
||||
"translation"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "STudio26",
|
||||
"name": "Alain",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/6988911?v=4",
|
||||
"profile": "https://github.com/STudio26",
|
||||
"contributions": [
|
||||
"translation"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "DEV-VRUPER",
|
||||
"name": "VR",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/30525467?v=4",
|
||||
"profile": "https://github.com/DEV-VRUPER",
|
||||
"contributions": [
|
||||
"doc"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "JackieNim",
|
||||
"name": "JackieNim",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/4138836?v=4",
|
||||
"profile": "https://github.com/JackieNim",
|
||||
"contributions": [
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "EdisonE3",
|
||||
"name": "EdisonE3",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/52118917?v=4",
|
||||
"profile": "https://github.com/EdisonE3",
|
||||
"contributions": [
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "tao-sun2",
|
||||
"name": "Tao",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/66189688?v=4",
|
||||
"profile": "https://github.com/tao-sun2",
|
||||
"contributions": [
|
||||
"code"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "JuanManuelAbate",
|
||||
"name": "Juan Manuel Abate",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/16357060?v=4",
|
||||
"profile": "https://github.com/JuanManuelAbate",
|
||||
"contributions": [
|
||||
"translation"
|
||||
]
|
||||
}
|
||||
],
|
||||
"contributorsPerLine": 4,
|
||||
|
||||
9
.github/workflows/maven-ci.yml
vendored
9
.github/workflows/maven-ci.yml
vendored
@ -40,25 +40,26 @@ jobs:
|
||||
steps:
|
||||
|
||||
- name: Checkout Code
|
||||
uses: actions/checkout@master
|
||||
uses: actions/checkout@v2
|
||||
with:
|
||||
# Disabling shallow clone for improving relevancy of SonarQube reporting
|
||||
fetch-depth: 0
|
||||
|
||||
- name: Set up JDK 11
|
||||
uses: actions/setup-java@master
|
||||
uses: actions/setup-java@v2
|
||||
with:
|
||||
java-version: 11
|
||||
distribution: 'adopt'
|
||||
|
||||
- name: Cache SonarCloud packages
|
||||
uses: actions/cache@master
|
||||
uses: actions/cache@v2
|
||||
with:
|
||||
path: ~/.sonar/cache
|
||||
key: ${{ runner.os }}-sonar
|
||||
restore-keys: ${{ runner.os }}-sonar
|
||||
|
||||
- name: Cache Maven dependencies
|
||||
uses: actions/cache@master
|
||||
uses: actions/cache@v2
|
||||
with:
|
||||
path: ~/.m2/repository
|
||||
key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
|
||||
|
||||
7
.github/workflows/maven-pr-builder.yml
vendored
7
.github/workflows/maven-pr-builder.yml
vendored
@ -38,15 +38,16 @@ jobs:
|
||||
|
||||
steps:
|
||||
- name: Checkout Code
|
||||
uses: actions/checkout@master
|
||||
uses: actions/checkout@v2
|
||||
|
||||
- name: Set up JDK 11
|
||||
uses: actions/setup-java@master
|
||||
uses: actions/setup-java@v2
|
||||
with:
|
||||
java-version: 11
|
||||
distribution: 'adopt'
|
||||
|
||||
- name: Cache Maven Dependecies
|
||||
uses: actions/cache@master
|
||||
uses: actions/cache@v2
|
||||
with:
|
||||
path: ~/.m2/repository
|
||||
key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
|
||||
|
||||
29
README.md
29
README.md
@ -6,16 +6,16 @@
|
||||
|
||||
|
||||
[](https://raw.githubusercontent.com/iluwatar/java-design-patterns/master/LICENSE.md)
|
||||
[](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
|
||||
[](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
|
||||
[](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
|
||||
[](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 -->
|
||||
[](#contributors-)
|
||||
[](#contributors-)
|
||||
<!-- ALL-CONTRIBUTORS-BADGE:END -->
|
||||
|
||||
<br/>
|
||||
|
||||
Read in different language : [**CN**](/zh/README.md), [**KR**](/ko/README.md), [**FR**](/fr/README.md), [**TR**](/tr/README.md), [**AR**](/ar/README.md)
|
||||
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)
|
||||
|
||||
<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
|
||||
@ -259,7 +259,7 @@ This project is licensed under the terms of the MIT license.
|
||||
<td align="center"><a href="https://www.linkedin.com/in/ashish-trivedi-218379135/"><img src="https://avatars3.githubusercontent.com/u/23194128?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ashish Trivedi</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=ashishtrivedi16" title="Code">💻</a></td>
|
||||
<td align="center"><a href="https://rayyounghong.com"><img src="https://avatars1.githubusercontent.com/u/41055099?v=4?s=100" width="100px;" alt=""/><br /><sub><b>洪月阳</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=RayYH" title="Code">💻</a></td>
|
||||
<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></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>
|
||||
@ -313,6 +313,19 @@ This project is licensed under the terms of the MIT license.
|
||||
<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>
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Abstract Document
|
||||
folder: abstract-document
|
||||
permalink: /patterns/abstract-document/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Extensibility
|
||||
---
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>abstract-document</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Abstract Factory
|
||||
folder: abstract-factory
|
||||
permalink: /patterns/abstract-factory/
|
||||
categories: Creational
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
@ -19,9 +20,9 @@ objects without specifying their concrete classes.
|
||||
|
||||
## Explanation
|
||||
|
||||
Real world example
|
||||
Real-world example
|
||||
|
||||
> To create a kingdom we need objects with a common theme. 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.
|
||||
> 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.
|
||||
|
||||
In plain words
|
||||
|
||||
@ -33,7 +34,7 @@ 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
|
||||
@ -51,21 +52,21 @@ 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;
|
||||
@ -76,7 +77,7 @@ 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 {
|
||||
@ -110,7 +111,7 @@ public class OrcKingdomFactory implements KingdomFactory {
|
||||
}
|
||||
```
|
||||
|
||||
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.
|
||||
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.
|
||||
|
||||
```java
|
||||
var factory = new ElfKingdomFactory();
|
||||
@ -126,13 +127,13 @@ 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 (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 (derived from `Army`, `King`, `Castle`).
|
||||
In this example, we also used an enum to parameterize which type of kingdom factory the client will ask for.
|
||||
|
||||
```java
|
||||
@ -178,8 +179,8 @@ 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 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 the 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.
|
||||
@ -199,7 +200,7 @@ 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
|
||||
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>abstract-factory</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -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());
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -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() {
|
||||
|
||||
@ -29,14 +29,14 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||
|
||||
/**
|
||||
* Test for abstract factory.
|
||||
* Tests for abstract factory.
|
||||
*/
|
||||
class AbstractFactoryTest {
|
||||
|
||||
private final App app = new App();
|
||||
|
||||
@Test
|
||||
void king() {
|
||||
void verifyKingCreation() {
|
||||
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
|
||||
final var kingdom = app.getKingdom();
|
||||
|
||||
@ -51,7 +51,7 @@ class AbstractFactoryTest {
|
||||
}
|
||||
|
||||
@Test
|
||||
void castle() {
|
||||
void verifyCastleCreation() {
|
||||
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
|
||||
final var kingdom = app.getKingdom();
|
||||
|
||||
@ -66,7 +66,7 @@ class AbstractFactoryTest {
|
||||
}
|
||||
|
||||
@Test
|
||||
void army() {
|
||||
void verifyArmyCreation() {
|
||||
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
|
||||
final var kingdom = app.getKingdom();
|
||||
|
||||
@ -81,7 +81,7 @@ class AbstractFactoryTest {
|
||||
}
|
||||
|
||||
@Test
|
||||
void createElfKingdom() {
|
||||
void verifyElfKingdomCreation() {
|
||||
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ELF);
|
||||
final var kingdom = app.getKingdom();
|
||||
|
||||
@ -97,7 +97,7 @@ class AbstractFactoryTest {
|
||||
}
|
||||
|
||||
@Test
|
||||
void createOrcKingdom() {
|
||||
void verifyOrcKingdomCreation() {
|
||||
app.createKingdom(Kingdom.FactoryMaker.KingdomType.ORC);
|
||||
final var kingdom = app.getKingdom();
|
||||
|
||||
|
||||
@ -28,10 +28,7 @@ import org.junit.jupiter.api.Test;
|
||||
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
|
||||
|
||||
/**
|
||||
* 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.
|
||||
* Check whether the execution of the main method in {@link App} throws an exception.
|
||||
*/
|
||||
class AppTest {
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Active Object
|
||||
folder: active-object
|
||||
permalink: /patterns/active-object/
|
||||
categories: Concurrency
|
||||
language: en
|
||||
tags:
|
||||
- Performance
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>active-object</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Acyclic Visitor
|
||||
folder: acyclic-visitor
|
||||
permalink: /patterns/acyclic-visitor/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Extensibility
|
||||
---
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<artifactId>acyclic-visitor</artifactId>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Adapter
|
||||
folder: adapter
|
||||
permalink: /patterns/adapter/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>adapter</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Aggregator Microservices
|
||||
folder: aggregator-microservices
|
||||
permalink: /patterns/aggregator-microservices/
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Cloud distributed
|
||||
- Decoupling
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>aggregator-microservices</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>aggregator-service</artifactId>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>aggregator-microservices</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>aggregator-microservices</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>inventory-microservice</artifactId>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>aggregator-microservices</artifactId>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Ambassador
|
||||
folder: ambassador
|
||||
permalink: /patterns/ambassador/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
- Cloud distributed
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>ambassador</artifactId>
|
||||
|
||||
@ -4,6 +4,7 @@ title: API Gateway
|
||||
folder: api-gateway
|
||||
permalink: /patterns/api-gateway/
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Cloud distributed
|
||||
- Decoupling
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>api-gateway</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>api-gateway-service</artifactId>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>api-gateway</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>image-microservice</artifactId>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>api-gateway</artifactId>
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>api-gateway</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Arrange/Act/Assert
|
||||
folder: arrange-act-assert
|
||||
permalink: /patterns/arrange-act-assert/
|
||||
categories: Idiom
|
||||
language: en
|
||||
tags:
|
||||
- Testing
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 252 B |
Binary file not shown.
|
Before Width: | Height: | Size: 310 B |
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|
Before Width: | Height: | Size: 100 B |
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|
Before Width: | Height: | Size: 413 B |
Binary file not shown.
|
Before Width: | Height: | Size: 802 B |
@ -4,6 +4,7 @@ title: Async Method Invocation
|
||||
folder: async-method-invocation
|
||||
permalink: /patterns/async-method-invocation/
|
||||
categories: Concurrency
|
||||
language: en
|
||||
tags:
|
||||
- Reactive
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>async-method-invocation</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Balking
|
||||
folder: balking
|
||||
permalink: /patterns/balking/
|
||||
categories: Concurrency
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Bridge
|
||||
folder: bridge
|
||||
permalink: /patterns/bridge/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>bridge</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -43,7 +43,7 @@ public class Hammer implements Weapon {
|
||||
|
||||
@Override
|
||||
public void swing() {
|
||||
LOGGER.info("The hammer is swinged.");
|
||||
LOGGER.info("The hammer is swung.");
|
||||
enchantment.apply();
|
||||
}
|
||||
|
||||
|
||||
@ -43,7 +43,7 @@ public class Sword implements Weapon {
|
||||
|
||||
@Override
|
||||
public void swing() {
|
||||
LOGGER.info("The sword is swinged.");
|
||||
LOGGER.info("The sword is swung.");
|
||||
enchantment.apply();
|
||||
}
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Builder
|
||||
folder: builder
|
||||
permalink: /patterns/builder/
|
||||
categories: Creational
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>builder</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Business Delegate
|
||||
folder: business-delegate
|
||||
permalink: /patterns/business-delegate/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
---
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>business-delegate</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Bytecode
|
||||
folder: bytecode
|
||||
permalink: /patterns/bytecode/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Game programming
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Caching
|
||||
folder: caching
|
||||
permalink: /patterns/caching/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Performance
|
||||
- Cloud distributed
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>caching</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Callback
|
||||
folder: callback
|
||||
permalink: /patterns/callback/
|
||||
categories: Idiom
|
||||
language: en
|
||||
tags:
|
||||
- Reactive
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>callback</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Chain of responsibility
|
||||
folder: chain
|
||||
permalink: /patterns/chain/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>chain</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Circuit Breaker
|
||||
folder: circuit-breaker
|
||||
permalink: /patterns/circuit-breaker/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Performance
|
||||
- Decoupling
|
||||
|
||||
@ -27,7 +27,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>circuit-breaker</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Static Content Hosting
|
||||
folder: cloud-static-content-hosting
|
||||
permalink: /patterns/cloud-static-content-hosting/
|
||||
categories: Cloud
|
||||
language: en
|
||||
tags:
|
||||
- Cloud distributed
|
||||
---
|
||||
|
||||
@ -4,6 +4,7 @@ title: Collection Pipeline
|
||||
folder: collection-pipeline
|
||||
permalink: /patterns/collection-pipeline/
|
||||
categories: Functional
|
||||
language: en
|
||||
tags:
|
||||
- Reactive
|
||||
---
|
||||
|
||||
@ -27,7 +27,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>collection-pipeline</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Combinator
|
||||
folder: combinator
|
||||
permalink: /patterns/combinator/
|
||||
categories: Idiom
|
||||
language: en
|
||||
tags:
|
||||
- Reactive
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<artifactId>combinator</artifactId>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Command
|
||||
folder: command
|
||||
permalink: /patterns/command/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>command</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Commander
|
||||
folder: commander
|
||||
permalink: /patterns/commander/
|
||||
categories: Concurrency
|
||||
language: en
|
||||
tags:
|
||||
- Cloud distributed
|
||||
---
|
||||
|
||||
@ -27,7 +27,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>commander</artifactId>
|
||||
<dependencies>
|
||||
|
||||
123
composite-entity/README.md
Normal file
123
composite-entity/README.md
Normal file
@ -0,0 +1,123 @@
|
||||
---
|
||||
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
|
||||
|
||||
|
||||
|
||||
## 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)
|
||||
45
composite-entity/etc/composite-entity.urm.puml
Normal file
45
composite-entity/etc/composite-entity.urm.puml
Normal file
@ -0,0 +1,45 @@
|
||||
@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
|
||||
BIN
composite-entity/etc/composite_entity.urm.png
Normal file
BIN
composite-entity/etc/composite_entity.urm.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 90 KiB |
63
composite-entity/pom.xml
Normal file
63
composite-entity/pom.xml
Normal file
@ -0,0 +1,63 @@
|
||||
<?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>
|
||||
@ -0,0 +1,61 @@
|
||||
/*
|
||||
* 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");
|
||||
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,46 @@
|
||||
/*
|
||||
* 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();
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,46 @@
|
||||
/*
|
||||
* 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();
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,43 @@
|
||||
/*
|
||||
* 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()};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,43 @@
|
||||
/*
|
||||
* 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;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,32 @@
|
||||
/*
|
||||
* 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> {
|
||||
|
||||
}
|
||||
@ -0,0 +1,32 @@
|
||||
/*
|
||||
* 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> {
|
||||
|
||||
}
|
||||
@ -0,0 +1,48 @@
|
||||
/*
|
||||
* 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[]{}));
|
||||
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,55 @@
|
||||
/*
|
||||
* 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());
|
||||
}
|
||||
}
|
||||
@ -4,6 +4,7 @@ title: Composite
|
||||
folder: composite
|
||||
permalink: /patterns/composite/
|
||||
categories: Structural
|
||||
language: en
|
||||
tags:
|
||||
- Gang of Four
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>composite</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Converter
|
||||
folder: converter
|
||||
permalink: /patterns/converter/
|
||||
categories: Creational
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
---
|
||||
|
||||
@ -29,7 +29,7 @@
|
||||
<parent>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>converter</artifactId>
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
@ -4,6 +4,7 @@ title: CQRS
|
||||
folder: cqrs
|
||||
permalink: /patterns/cqrs/
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Performance
|
||||
- Cloud distributed
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>cqrs</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Data Access Object
|
||||
folder: dao
|
||||
permalink: /patterns/dao/
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Data access
|
||||
---
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>dao</artifactId>
|
||||
|
||||
|
||||
@ -5,6 +5,7 @@ folder: data-bus
|
||||
permalink: /patterns/data-bus/
|
||||
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
---
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>data-bus</artifactId>
|
||||
<dependencies>
|
||||
|
||||
@ -4,6 +4,7 @@ title: Data Locality
|
||||
folder: data-locality
|
||||
permalink: /patterns/data-locality/
|
||||
categories: Behavioral
|
||||
language: en
|
||||
tags:
|
||||
- Game programming
|
||||
- Performance
|
||||
|
||||
@ -30,7 +30,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>data-locality</artifactId>
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ title: Data Mapper
|
||||
folder: data-mapper
|
||||
permalink: /patterns/data-mapper/
|
||||
categories: Architectural
|
||||
language: en
|
||||
tags:
|
||||
- Decoupling
|
||||
---
|
||||
|
||||
@ -28,7 +28,7 @@
|
||||
<parent>
|
||||
<groupId>com.iluwatar</groupId>
|
||||
<artifactId>java-design-patterns</artifactId>
|
||||
<version>1.24.0-SNAPSHOT</version>
|
||||
<version>1.25.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<artifactId>data-mapper</artifactId>
|
||||
<dependencies>
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user