Revert "Hexagonal architecture in Java"
This reverts commit 4b669dc6880a9cfb9dce1712ecf6d9637ac73259.
This commit is contained in:
Tarun Jain
parent
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commit
8c8d2f3029
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## Hexagonal Architecture
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This module contains article about Hexagonal Architecture
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<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">
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<modelVersion>4.0.0</modelVersion>
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<groupId>hcom.baeldung</groupId>
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<artifactId>hexagonal-architecture-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<build>
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<sourceDirectory>src</sourceDirectory>
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<plugins>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.baeldung.hexagonal;
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import com.baeldung.hexagonal.adapters.FileWriterAdapter;
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import com.baeldung.hexagonal.adapters.InMemorySportsDataAdapter;
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import com.baeldung.hexagonal.adapters.UserRequestAdapter;
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import com.baeldung.hexagonal.ports.FetchSportsRevenue;
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import com.baeldung.hexagonal.ports.UserRequest;
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import com.baeldung.hexagonal.ports.WriteSportsRevenue;
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public class Main {
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public static void main(String[] args) {
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FetchSportsRevenue sportsRevenue = new InMemorySportsDataAdapter();
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WriteSportsRevenue writeSportsRevenue = new FileWriterAdapter();
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UserRequest userReq = new UserRequestAdapter(sportsRevenue, writeSportsRevenue);
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userReq.processRequest("Football");
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userReq.processRequest("Cricket");
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}
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}
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package com.baeldung.hexagonal.adapters;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import com.baeldung.hexagonal.model.SportRevenue;
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import com.baeldung.hexagonal.ports.WriteSportsRevenue;
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public class FileWriterAdapter implements WriteSportsRevenue {
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@Override
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public void writeSportsReveue(SportRevenue sportRevenue) {
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try (FileWriter fw = new FileWriter(new File("revenue.txt"),true)) {
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fw.write(sportRevenue.toString());
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fw.write(System.lineSeparator());
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} catch (IOException e) {
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}
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}
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}
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package com.baeldung.hexagonal.adapters;
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import java.util.Arrays;
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import java.util.List;
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import com.baeldung.hexagonal.model.SportRevenue;
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import com.baeldung.hexagonal.ports.FetchSportsRevenue;
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public class InMemorySportsDataAdapter implements FetchSportsRevenue {
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List<SportRevenue> data;
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public InMemorySportsDataAdapter() {
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data = Arrays.asList(
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new SportRevenue("Football",2200000),
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new SportRevenue("Cricket", 1700000),
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new SportRevenue("Baseball",1567000));
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}
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@Override
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public SportRevenue retrieveSportRevenue(String sportName) {
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return data.stream()
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.filter(category -> sportName.equals(category.getName()))
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.findAny().orElse(null);
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}
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}
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package com.baeldung.hexagonal.adapters;
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import com.baeldung.hexagonal.core.SportsApp;
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import com.baeldung.hexagonal.ports.FetchSportsRevenue;
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import com.baeldung.hexagonal.ports.UserRequest;
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import com.baeldung.hexagonal.ports.WriteSportsRevenue;
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public class UserRequestAdapter implements UserRequest {
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private SportsApp sportsApp;
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public UserRequestAdapter(FetchSportsRevenue sportsRevenue, WriteSportsRevenue writeSportsRevenue) {
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sportsApp = new SportsApp(sportsRevenue, writeSportsRevenue);
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}
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@Override
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public void processRequest(String sportName) {
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sportsApp.fetchAndWrite(sportName);
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}
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}
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package com.baeldung.hexagonal.core;
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import com.baeldung.hexagonal.model.SportRevenue;
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import com.baeldung.hexagonal.ports.FetchSportsRevenue;
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import com.baeldung.hexagonal.ports.WriteSportsRevenue;
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public class SportsApp {
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private FetchSportsRevenue sportsRevenue;
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private WriteSportsRevenue writeSportsRevenue;
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public SportsApp(FetchSportsRevenue sportsCategories, WriteSportsRevenue writeSportsRevenue) {
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this.sportsRevenue = sportsCategories;
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this.writeSportsRevenue = writeSportsRevenue;
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}
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public void fetchAndWrite(String sportName) {
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SportRevenue sportRevenue = sportsRevenue.retrieveSportRevenue(sportName);
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writeSportsRevenue.writeSportsReveue(sportRevenue);
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}
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}
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package com.baeldung.hexagonal.model;
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public class SportRevenue {
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private String name;
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private double revenue;
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public SportRevenue(String name, double revenue) {
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this.name = name;
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this.revenue = revenue;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public double getRevenue() {
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return revenue;
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}
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public void setRevenue(double revenue) {
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this.revenue = revenue;
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}
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@Override
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public String toString() {
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return "SportRevenue [name=" + name + ", revenue=" + revenue + "]";
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}
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}
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package com.baeldung.hexagonal.ports;
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import com.baeldung.hexagonal.model.SportRevenue;
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public interface FetchSportsRevenue {
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public SportRevenue retrieveSportRevenue(String sportName);
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}
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package com.baeldung.hexagonal.ports;
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public interface UserRequest {
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public void processRequest(String sportName);
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}
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package com.baeldung.hexagonal.ports;
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import com.baeldung.hexagonal.model.SportRevenue;
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public interface WriteSportsRevenue {
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public void writeSportsReveue(SportRevenue sportRevenue);
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}
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