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Evan Sia Wai Suan
2018-05-12 16:12:23 +01:00
parent 55bbb88ac9 4ac6f90c96
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2
CODE_COVERAGE.md
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@ -1,7 +1,7 @@
# Code Coverage Report generation
To generate the code coverage report, execute the following command:
> mvn clean verify
> mvn clean verify jacoco:report
This will generate code coverage report in each of the modules. In order to view the same, open the following file in your browser.
> target/site/jacoco/index.html

2
README.md
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@ -7,7 +7,7 @@
[![Build status](https://travis-ci.org/iluwatar/java-design-patterns.svg?branch=master)](https://travis-ci.org/iluwatar/java-design-patterns)
[![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/iluwatar/java-design-patterns/master/LICENSE.md)
[![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)
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[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1503/badge)](https://bestpractices.coreinfrastructure.org/projects/1503)
# Introduction

2
abstract-document/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>abstract-document</artifactId>
<dependencies>

8
abstract-factory/README.md
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@ -34,7 +34,7 @@ Wikipedia says
Translating the kingdom example above. First of all we have some interfaces and implementation for the objects in the kingdom
```
```java
public interface Castle {
String getDescription();
}
@ -74,7 +74,7 @@ public class ElfArmy implements Army {
Then we have the abstraction and implementations for the kingdom factory
```
```java
public interface KingdomFactory {
Castle createCastle();
King createKing();
@ -108,7 +108,7 @@ 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.
```
```java
KingdomFactory factory = new ElfKingdomFactory();
Castle castle = factory.createCastle();
King king = factory.createKing();
@ -123,7 +123,7 @@ Now, we can design a factory for our different kingdom factories. In this exampl
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
public static class FactoryMaker {
public enum KingdomType {

2
abstract-factory/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>abstract-factory</artifactId>
<dependencies>

8
adapter/README.md
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@ -40,7 +40,7 @@ Consider a captain that can only use rowing boats and cannot sail at all.
First we have interfaces `RowingBoat` and `FishingBoat`
```
```java
public interface RowingBoat {
void row();
}
@ -55,7 +55,7 @@ public class FishingBoat {
And captain expects an implementation of `RowingBoat` interface to be able to move
```
```java
public class Captain implements RowingBoat {
private RowingBoat rowingBoat;
@ -73,7 +73,7 @@ public class Captain implements RowingBoat {
Now let's say the pirates are coming and our captain needs to escape but there is only fishing boat available. We need to create an adapter that allows the captain to operate the fishing boat with his rowing boat skills.
```
```java
public class FishingBoatAdapter implements RowingBoat {
private static final Logger LOGGER = LoggerFactory.getLogger(FishingBoatAdapter.class);
@ -93,7 +93,7 @@ public class FishingBoatAdapter implements RowingBoat {
And now the `Captain` can use the `FishingBoat` to escape the pirates.
```
```java
Captain captain = new Captain(new FishingBoatAdapter());
captain.row();
```

2
adapter/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>adapter</artifactId>
<dependencies>

3
adapter/src/main/java/com/iluwatar/adapter/Captain.java
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@ -26,7 +26,7 @@ package com.iluwatar.adapter;
* The Captain uses {@link RowingBoat} to sail. <br>
* This is the client in the pattern.
*/
public class Captain implements RowingBoat {
public class Captain {
private RowingBoat rowingBoat;
@ -40,7 +40,6 @@ public class Captain implements RowingBoat {
this.rowingBoat = rowingBoat;
}
@Override
public void row() {
rowingBoat.row();
}

2
adapter/src/test/java/com/iluwatar/adapter/AdapterPatternTest.java
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@ -66,7 +66,7 @@ public class AdapterPatternTest {
*/
@Test
public void testAdapter() {
RowingBoat captain = (RowingBoat) beans.get(ROWING_BEAN);
Captain captain = (Captain) beans.get(ROWING_BEAN);
// when captain moves
captain.row();

2
aggregator-microservices/aggregator-service/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
aggregator-microservices/information-microservice/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
aggregator-microservices/inventory-microservice/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>aggregator-microservices</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
aggregator-microservices/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>aggregator-microservices</artifactId>

2
api-gateway/api-gateway-service/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>api-gateway-service</artifactId>

2
api-gateway/image-microservice/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
api-gateway/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>api-gateway</artifactId>

2
api-gateway/price-microservice/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>api-gateway</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
async-method-invocation/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>async-method-invocation</artifactId>
<dependencies>

2
balking/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
balking/src/test/java/com/iluwatar/balking/WashingMachineTest.java
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@ -22,6 +22,7 @@
*/
package com.iluwatar.balking;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import java.util.concurrent.ExecutorService;
@ -37,6 +38,7 @@ public class WashingMachineTest {
private volatile WashingMachineState machineStateGlobal;
@Disabled
@Test
public void wash() throws Exception {
WashingMachine washingMachine = new WashingMachine();

6
bridge/README.md
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@ -34,7 +34,7 @@ Wikipedia says
Translating our weapon example from above. Here we have the `Weapon` hierarchy
```
```java
public interface Weapon {
void wield();
void swing();
@ -109,7 +109,7 @@ public class Hammer implements Weapon {
And the separate enchantment hierarchy
```
```java
public interface Enchantment {
void onActivate();
void apply();
@ -155,7 +155,7 @@ public class SoulEatingEnchantment implements Enchantment {
And both the hierarchies in action
```
```java
Sword enchantedSword = new Sword(new SoulEatingEnchantment());
enchantedSword.wield();
enchantedSword.swing();

2
bridge/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>bridge</artifactId>
<dependencies>

8
builder/README.md
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@ -31,7 +31,7 @@ Wikipedia says
Having said that let me add a bit about what telescoping constructor anti-pattern is. At one point or the other we have all seen a constructor like below:
```
```java
public Hero(Profession profession, String name, HairType hairType, HairColor hairColor, Armor armor, Weapon weapon) {
}
```
@ -42,7 +42,7 @@ As you can see the number of constructor parameters can quickly get out of hand
The sane alternative is to use the Builder pattern. First of all we have our hero that we want to create
```
```java
public final class Hero {
private final Profession profession;
private final String name;
@ -64,7 +64,7 @@ public final class Hero {
And then we have the builder
```
```java
public static class Builder {
private final Profession profession;
private final String name;
@ -109,7 +109,7 @@ And then we have the builder
And then it can be used as:
```
```java
Hero mage = new Hero.Builder(Profession.MAGE, "Riobard").withHairColor(HairColor.BLACK).withWeapon(Weapon.DAGGER).build();
```

2
builder/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>builder</artifactId>
<dependencies>

2
business-delegate/pom.xml
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@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>business-delegate</artifactId>
<dependencies>

2
caching/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>caching</artifactId>
<dependencies>

6
caching/src/main/java/com/iluwatar/caching/App.java
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@ -52,12 +52,12 @@ import org.slf4j.LoggerFactory;
* whether the data is coming from the cache or the DB (i.e. separation of concern). The AppManager
* ({@link AppManager}) handles the transaction of data to-and-from the underlying data store
* (depending on the preferred caching policy/strategy).
*
* <i>App --> AppManager --> CacheStore/LRUCache/CachingPolicy --> DBManager</i>
* <p>
* <i>{@literal App --> AppManager --> CacheStore/LRUCache/CachingPolicy --> DBManager} </i>
* </p>
*
* @see CacheStore
* @See LRUCache
* @see LruCache
* @see CachingPolicy
*
*/

2
callback/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>callback</artifactId>
<dependencies>

8
chain/README.md
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@ -33,7 +33,7 @@ Wikipedia says
Translating our example with orcs from above. First we have the request class
```
```java
public class Request {
private final RequestType requestType;
@ -64,7 +64,7 @@ public enum RequestType {
Then the request handler hierarchy
```
```java
public abstract class RequestHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(RequestHandler.class);
private RequestHandler next;
@ -114,7 +114,7 @@ public class OrcCommander extends RequestHandler {
Then we have the Orc King who gives the orders and forms the chain
```
```java
public class OrcKing {
RequestHandler chain;
@ -134,7 +134,7 @@ public class OrcKing {
Then it is used as follows
```
```java
OrcKing king = new OrcKing();
king.makeRequest(new Request(RequestType.DEFEND_CASTLE, "defend castle")); // Orc commander handling request "defend castle"
king.makeRequest(new Request(RequestType.TORTURE_PRISONER, "torture prisoner")); // Orc officer handling request "torture prisoner"

2
chain/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>chain</artifactId>
<dependencies>

2
command/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>command</artifactId>
<dependencies>

6
composite/README.md
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@ -33,7 +33,7 @@ Wikipedia says
Taking our sentence example from above. Here we have the base class and different printable types
```
```java
public abstract class LetterComposite {
private List<LetterComposite> children = new ArrayList<>();
public void add(LetterComposite letter) {
@ -91,7 +91,7 @@ public class Sentence extends LetterComposite {
Then we have a messenger to carry messages
```
```java
public class Messenger {
LetterComposite messageFromOrcs() {
List<Word> words = new ArrayList<>();
@ -122,7 +122,7 @@ public class Messenger {
And then it can be used as
```
```java
LetterComposite orcMessage = new Messenger().messageFromOrcs();
orcMessage.print(); // Where there is a whip there is a way.
LetterComposite elfMessage = new Messenger().messageFromElves();

2
composite/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>composite</artifactId>
<dependencies>

2
converter/pom.xml
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@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<dependencies>

24
converter/src/main/java/com/iluwatar/converter/Converter.java
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@ -50,37 +50,37 @@ public class Converter<T, U> {
}
/**
* @param userDto DTO entity
* @param dto DTO entity
* @return The domain representation - the result of the converting function application on dto entity.
*/
public final U convertFromDto(final T userDto) {
return fromDto.apply(userDto);
public final U convertFromDto(final T dto) {
return fromDto.apply(dto);
}
/**
* @param user domain entity
* @param entity domain entity
* @return The DTO representation - the result of the converting function application on domain entity.
*/
public final T convertFromEntity(final U user) {
return fromEntity.apply(user);
public final T convertFromEntity(final U entity) {
return fromEntity.apply(entity);
}
/**
* @param dtoUsers collection of DTO entities
* @param dtos collection of DTO entities
* @return List of domain representation of provided entities retrieved by
* mapping each of them with the conversion function
*/
public final List<U> createFromDtos(final Collection<T> dtoUsers) {
return dtoUsers.stream().map(this::convertFromDto).collect(Collectors.toList());
public final List<U> createFromDtos(final Collection<T> dtos) {
return dtos.stream().map(this::convertFromDto).collect(Collectors.toList());
}
/**
* @param users collection of domain entities
* @param entities collection of domain entities
* @return List of domain representation of provided entities retrieved by
* mapping each of them with the conversion function
*/
public final List<T> createFromEntities(final Collection<U> users) {
return users.stream().map(this::convertFromEntity).collect(Collectors.toList());
public final List<T> createFromEntities(final Collection<U> entities) {
return entities.stream().map(this::convertFromEntity).collect(Collectors.toList());
}
}

2
cqrs/pom.xml
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@ -21,7 +21,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>cqrs</artifactId>
<dependencies>

2
dao/pom.xml
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@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>dao</artifactId>

2
dao/src/main/java/com/iluwatar/dao/InMemoryCustomerDao.java
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@ -31,7 +31,7 @@ import java.util.stream.Stream;
/**
* An in memory implementation of {@link CustomerDao}, which stores the customers in JVM memory
* and data is lost when the application exits.
* <br/>
* <br>
* This implementation is useful as temporary database or for testing.
*/
public class InMemoryCustomerDao implements CustomerDao {

2
data-bus/pom.xml
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@ -33,7 +33,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>data-bus</artifactId>
<dependencies>

3
data-bus/src/main/java/com/iluwatar/databus/App.java
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@ -34,8 +34,7 @@ import java.time.LocalDateTime;
/**
* The Data Bus pattern
* <p>
* <p>{@see http://wiki.c2.com/?DataBusPattern}</p>
* <p>
* @see <a href="http://wiki.c2.com/?DataBusPattern">http://wiki.c2.com/?DataBusPattern</a>
* <p>The Data-Bus pattern provides a method where different parts of an application may
* pass messages between each other without needing to be aware of the other's existence.</p>
* <p>Similar to the {@code ObserverPattern}, members register themselves with the {@link DataBus}

2
data-mapper/pom.xml
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@ -28,7 +28,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>data-mapper</artifactId>
<dependencies>

2
data-transfer-object/pom.xml
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@ -28,7 +28,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>data-transfer-object</artifactId>
<dependencies>

6
decorator/README.md
View File

@ -36,7 +36,7 @@ Wikipedia says
Let's take the troll example. First of all we have a simple troll implementing the troll interface
```
```java
public interface Troll {
void attack();
int getAttackPower();
@ -66,7 +66,7 @@ public class SimpleTroll implements Troll {
Next we want to add club for the troll. We can do it dynamically by using a decorator
```
```java
public class ClubbedTroll implements Troll {
private static final Logger LOGGER = LoggerFactory.getLogger(ClubbedTroll.class);
@ -97,7 +97,7 @@ public class ClubbedTroll implements Troll {
Here's the troll in action
```
```java
// simple troll
Troll troll = new SimpleTroll();
troll.attack(); // The troll tries to grab you!

2
decorator/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>decorator</artifactId>
<dependencies>

2
delegation/pom.xml
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@ -30,7 +30,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
dependency-injection/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>dependency-injection</artifactId>
<dependencies>

2
double-checked-locking/pom.xml
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@ -27,7 +27,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>double-checked-locking</artifactId>
<dependencies>

2
double-dispatch/pom.xml
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@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>double-dispatch</artifactId>
<dependencies>

2
eip-aggregator/pom.xml
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@ -26,7 +26,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<dependencies>

0
message-channel/.gitignore → eip-message-channel/.gitignore vendored
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6
message-channel/README.md → eip-message-channel/README.md
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@ -1,8 +1,8 @@
---
layout: pattern
title: Message Channel
folder: message-channel
permalink: /patterns/message-channel/
title: EIP Message Channel
folder: eip-message-channel
permalink: /patterns/eip-message-channel/
categories: Integration
tags:
- Java

0
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0
message-channel/etc/message-channel.ucls → eip-message-channel/etc/message-channel.ucls
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4
message-channel/pom.xml → eip-message-channel/pom.xml
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@ -30,9 +30,9 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>message-channel</artifactId>
<artifactId>eip-message-channel</artifactId>
<dependencies>
<dependency>
<groupId>org.apache.camel</groupId>

2
message-channel/src/main/java/com/iluwatar/message/channel/App.java → eip-message-channel/src/main/java/com/iluwatar/eip/message/channel/App.java
View File

@ -20,7 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.message.channel;
package com.iluwatar.eip.message.channel;
import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;

2
publish-subscribe/src/test/java/com/iluwatar/publish/subscribe/AppTest.java → eip-message-channel/src/test/java/com/iluwatar/eip/message/channel/AppTest.java
View File

@ -20,7 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.publish.subscribe;
package com.iluwatar.eip.message.channel;
import org.junit.jupiter.api.Test;

0
publish-subscribe/.gitignore → eip-publish-subscribe/.gitignore vendored
View File

6
publish-subscribe/README.md → eip-publish-subscribe/README.md
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@ -1,8 +1,8 @@
---
layout: pattern
title: Publish Subscribe
folder: publish-subscribe
permalink: /patterns/publish-subscribe/
title: EIP Publish Subscribe
folder: eip-publish-subscribe
permalink: /patterns/eip-publish-subscribe/
categories: Integration
tags:
- Java

0
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0
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6
publish-subscribe/pom.xml → eip-publish-subscribe/pom.xml
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@ -28,9 +28,9 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>publish-subscribe</artifactId>
<artifactId>eip-publish-subscribe</artifactId>
<dependencies>
<dependency>
<groupId>org.apache.camel</groupId>
@ -51,4 +51,4 @@
<scope>test</scope>
</dependency>
</dependencies>
</project>
</project>

2
publish-subscribe/src/main/java/com/iluwatar/publish/subscribe/App.java → eip-publish-subscribe/src/main/java/com/iluwatar/eip/publish/subscribe/App.java
View File

@ -20,7 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.publish.subscribe;
package com.iluwatar.eip.publish.subscribe;
import org.apache.camel.CamelContext;
import org.apache.camel.ProducerTemplate;

0
publish-subscribe/src/main/resources/logback.xml → eip-publish-subscribe/src/main/resources/logback.xml
View File

2
message-channel/src/test/java/com/iluwatar/message/channel/AppTest.java → eip-publish-subscribe/src/test/java/com/iluwatar/eip/publish/subscribe/AppTest.java
View File

@ -20,7 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.message.channel;
package com.iluwatar.eip.publish.subscribe;
import org.junit.jupiter.api.Test;

2
eip-splitter/pom.xml
View File

@ -26,7 +26,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<dependencies>

2
eip-wire-tap/pom.xml
View File

@ -26,7 +26,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<dependencies>

2
event-aggregator/pom.xml
View File

@ -28,7 +28,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>event-aggregator</artifactId>
<dependencies>

2
event-asynchronous/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>event-asynchronous</artifactId>
<dependencies>

2
event-driven-architecture/pom.xml
View File

@ -31,7 +31,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>event-driven-architecture</artifactId>

2
event-driven-architecture/src/main/java/com/iluwatar/eda/App.java
View File

@ -33,7 +33,7 @@ import com.iluwatar.eda.model.User;
/**
* An event-driven architecture (EDA) is a framework that orchestrates behavior around the
* production, detection and consumption of events as well as the responses they evoke. An event is
* any identifiable occurrence that has significance for system hardware or software. <p/> The
* any identifiable occurrence that has significance for system hardware or software. <p> The
* example below uses an {@link EventDispatcher} to link/register {@link Event} objects to their
* respective handlers once an {@link Event} is dispatched, it's respective handler is invoked and
* the {@link Event} is handled accordingly.

2
event-queue/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>event-queue</artifactId>
<dependencies>

2
event-sourcing/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>event-sourcing</artifactId>
<dependencies>

2
execute-around/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>execute-around</artifactId>
<dependencies>

2
extension-objects/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

6
facade/README.md
View File

@ -32,7 +32,7 @@ Wikipedia says
Taking our goldmine example from above. Here we have the dwarven mine worker hierarchy
```
```java
public abstract class DwarvenMineWorker {
private static final Logger LOGGER = LoggerFactory.getLogger(DwarvenMineWorker.class);
@ -140,7 +140,7 @@ public class DwarvenCartOperator extends DwarvenMineWorker {
To operate all these goldmine workers we have the facade
```
```java
public class DwarvenGoldmineFacade {
private final List<DwarvenMineWorker> workers;
@ -175,7 +175,7 @@ public class DwarvenGoldmineFacade {
Now to use the facade
```
```java
DwarvenGoldmineFacade facade = new DwarvenGoldmineFacade();
facade.startNewDay();
// Dwarf gold digger wakes up.

2
facade/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>facade</artifactId>
<dependencies>

2
factory-kit/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>factory-kit</artifactId>
<dependencies>

2
factory-kit/src/main/java/com/iluwatar/factorykit/App.java
View File

@ -45,7 +45,7 @@ public class App {
/**
* Program entry point.
*
* @param args @param args command line args
* @param args command line args
*/
public static void main(String[] args) {
WeaponFactory factory = WeaponFactory.factory(builder -> {

4
factory-method/README.md
View File

@ -35,7 +35,7 @@ Wikipedia says
Taking our blacksmith example above. First of all we have a blacksmith interface and some implementations for it
```
```java
public interface Blacksmith {
Weapon manufactureWeapon(WeaponType weaponType);
}
@ -55,7 +55,7 @@ public class OrcBlacksmith implements Blacksmith {
Now as the customers come the correct type of blacksmith is summoned and requested weapons are manufactured
```
```java
Blacksmith blacksmith = new ElfBlacksmith();
blacksmith.manufactureWeapon(WeaponType.SPEAR);
blacksmith.manufactureWeapon(WeaponType.AXE);

2
factory-method/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>factory-method</artifactId>
<dependencies>

2
feature-toggle/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
feature-toggle/src/main/java/com/iluwatar/featuretoggle/App.java
View File

@ -67,7 +67,7 @@ public class App {
* @see UserGroup
* @see Service
* @see PropertiesFeatureToggleVersion
* @see com.iluwatar.featuretoggle.pattern.tieredversion.TieredFeatureToggleVersion;
* @see com.iluwatar.featuretoggle.pattern.tieredversion.TieredFeatureToggleVersion
*/
public static void main(String[] args) {

2
feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/Service.java
View File

@ -47,7 +47,7 @@ public interface Service {
/**
* Returns if the welcome message to be displayed will be the enhanced version.
*
* @return Boolean {@value true} if enhanced.
* @return Boolean {@code true} if enhanced.
*/
boolean isEnhanced();

2
feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/propertiesversion/PropertiesFeatureToggleVersion.java
View File

@ -91,7 +91,7 @@ public class PropertiesFeatureToggleVersion implements Service {
* see the value of the boolean that was set in the constructor
* {@link PropertiesFeatureToggleVersion#PropertiesFeatureToggleVersion(Properties)}
*
* @return Boolean value {@value true} if enhanced.
* @return Boolean value {@code true} if enhanced.
*/
@Override
public boolean isEnhanced() {

2
feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/tieredversion/TieredFeatureToggleVersion.java
View File

@ -65,7 +65,7 @@ public class TieredFeatureToggleVersion implements Service {
* is driven by the user group. This method is a little redundant. However can be used to show that there is an
* enhanced version available.
*
* @return Boolean value {@value true} if enhanced.
* @return Boolean value {@code true} if enhanced.
*/
@Override
public boolean isEnhanced() {

2
fluentinterface/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<artifactId>java-design-patterns</artifactId>
<groupId>com.iluwatar</groupId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
flux/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>flux</artifactId>
<dependencies>

6
flyweight/README.md
View File

@ -32,7 +32,7 @@ Wikipedia says
Translating our alchemist shop example from above. First of all we have different potion types
```
```java
public interface Potion {
void drink();
}
@ -64,7 +64,7 @@ public class InvisibilityPotion implements Potion {
Then the actual Flyweight object which is the factory for creating potions
```
```java
public class PotionFactory {
private final Map<PotionType, Potion> potions;
@ -100,7 +100,7 @@ public class PotionFactory {
And it can be used as below
```
```java
PotionFactory factory = new PotionFactory();
factory.createPotion(PotionType.INVISIBILITY).drink(); // You become invisible. (Potion=6566818)
factory.createPotion(PotionType.HEALING).drink(); // You feel healed. (Potion=648129364)

2
flyweight/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>flyweight</artifactId>
<dependencies>

2
front-controller/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>front-controller</artifactId>
<dependencies>

2
guarded-suspension/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<packaging>jar</packaging>
<artifactId>guarded-suspension</artifactId>

2
guarded-suspension/src/main/java/com/iluwatar/guarded/suspension/GuardedQueue.java
View File

@ -32,7 +32,7 @@ import java.util.Queue;
* Guarded Queue is an implementation for Guarded Suspension Pattern
* Guarded suspension pattern is used to handle a situation when you want to execute a method
* on an object which is not in a proper state.
* @see http://java-design-patterns.com/patterns/guarded-suspension/
* @see <a href="http://java-design-patterns.com/patterns/guarded-suspension/">http://java-design-patterns.com/patterns/guarded-suspension/</a>
*/
public class GuardedQueue {
private static final Logger LOGGER = LoggerFactory.getLogger(GuardedQueue.class);

2
half-sync-half-async/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>half-sync-half-async</artifactId>
<dependencies>

14
half-sync-half-async/src/main/java/com/iluwatar/halfsynchalfasync/App.java
View File

@ -33,31 +33,31 @@ import java.util.concurrent.LinkedBlockingQueue;
* {@link AsyncTask} and {@link AsynchronousService}.
*
* <p>
* <i>PROBLEM</i> <br/>
* <i>PROBLEM</i> <br>
* A concurrent system have a mixture of short duration, mid duration and long duration tasks. Mid
* or long duration tasks should be performed asynchronously to meet quality of service
* requirements.
*
* <p>
* <i>INTENT</i> <br/>
* <i>INTENT</i> <br>
* The intent of this pattern is to separate the the synchronous and asynchronous processing in the
* concurrent application by introducing two intercommunicating layers - one for sync and one for
* async. This simplifies the programming without unduly affecting the performance.
*
* <p>
* <i>APPLICABILITY</i> <br/>
* <i>APPLICABILITY</i> <br>
* UNIX network subsystems - In operating systems network operations are carried out
* asynchronously with help of hardware level interrupts.<br/>
* asynchronously with help of hardware level interrupts.<br>
* CORBA - At the asynchronous layer one thread is associated with each socket that is connected
* to the client. Thread blocks waiting for CORBA requests from the client. On receiving request it
* is inserted in the queuing layer which is then picked up by synchronous layer which processes the
* request and sends response back to the client.<br/>
* request and sends response back to the client.<br>
* Android AsyncTask framework - Framework provides a way to execute long running blocking
* calls, such as downloading a file, in background threads so that the UI thread remains free to
* respond to user inputs.<br/>
* respond to user inputs.<br>
*
* <p>
* <i>IMPLEMENTATION</i> <br/>
* <i>IMPLEMENTATION</i> <br>
* The main method creates an asynchronous service which does not block the main thread while the
* task is being performed. The main thread continues its work which is similar to Async Method
* Invocation pattern. The difference between them is that there is a queuing layer between

2
hexagonal/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>hexagonal</artifactId>
<dependencies>

10
hexagonal/src/main/java/com/iluwatar/hexagonal/App.java
View File

@ -50,13 +50,13 @@ import com.iluwatar.hexagonal.sampledata.SampleData;
* from the services it uses.<p>
*
* The primary ports for the application are console interfaces
* {@link ConsoleAdministration} through which the lottery round is
* initiated and run and {@link ConsoleLottery} that allows players to
* {@link com.iluwatar.hexagonal.administration.ConsoleAdministration} through which the lottery round is
* initiated and run and {@link com.iluwatar.hexagonal.service.ConsoleLottery} that allows players to
* submit lottery tickets for the draw.<p>
*
* The secondary ports that application core uses are {@link WireTransfers}
* which is a banking service, {@link LotteryEventLog} that delivers
* eventlog as lottery events occur and {@link LotteryTicketRepository}
* The secondary ports that application core uses are {@link com.iluwatar.hexagonal.banking.WireTransfers}
* which is a banking service, {@link com.iluwatar.hexagonal.eventlog.LotteryEventLog} that delivers
* eventlog as lottery events occur and {@link com.iluwatar.hexagonal.database.LotteryTicketRepository}
* that is the storage for the lottery tickets.
*
*/

2
intercepting-filter/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>intercepting-filter</artifactId>
<dependencies>

2
interpreter/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>interpreter</artifactId>
<dependencies>

2
iterator/pom.xml
View File

@ -29,7 +29,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<artifactId>iterator</artifactId>
<dependencies>

2
layers/pom.xml
View File

@ -30,7 +30,7 @@
<parent>
<groupId>com.iluwatar</groupId>
<artifactId>java-design-patterns</artifactId>
<version>1.19.0-SNAPSHOT</version>
<version>1.20.0-SNAPSHOT</version>
</parent>
<groupId>com.iluwatar.layers</groupId>
<artifactId>layers</artifactId>

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