[JAVA-14174] Renamed paterns to paterns-module (#12718)

* [JAVA-14174] Renamed paterns to paterns-module * [JAVA-14174] naming fixes Co-authored-by: panagiotiskakos <[email protected]>
2022-09-19 12:14:14 +05:30
parent 74dcaa0935
commit 63a9bfbad9
518 changed files with 32 additions and 32 deletions
@@ -0,0 +1,7 @@
+### Relevant Articles:
+
+- [A Solid Guide to Solid Principles](https://www.baeldung.com/solid-principles)
+- [Single Responsibility Principle in Java](https://www.baeldung.com/java-single-responsibility-principle)
+- [Open/Closed Principle in Java](https://www.baeldung.com/java-open-closed-principle)
+- [Interface Segregation Principle in Java](https://www.baeldung.com/java-interface-segregation)
+- [Liskov Substitution Principle in Java](https://www.baeldung.com/java-liskov-substitution-principle)
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>solid</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>solid</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>patterns-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+</project>
@@ -0,0 +1,4 @@
+package com.baeldung.d;
+
+public interface Keyboard {
+}
@@ -0,0 +1,6 @@
+package com.baeldung.d;
+
+public class Monitor {
+
+
+}
@@ -0,0 +1,5 @@
+package com.baeldung.d;
+
+public class StandardKeyboard implements Keyboard {
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.d;
+
+public class Windows98Machine {
+
+  private final StandardKeyboard keyboard;
+  private final Monitor monitor;
+
+  public Windows98Machine() {
+
+    monitor = new Monitor();
+    keyboard = new StandardKeyboard();
+
+  }
+
+}
@@ -0,0 +1,12 @@
+package com.baeldung.d;
+
+public class Windows98MachineDI {
+
+  private final Keyboard keyboard;
+  private final Monitor monitor;
+
+  public Windows98MachineDI(Keyboard keyboard, Monitor monitor) {
+    this.keyboard = keyboard;
+    this.monitor = monitor;
+  }
+}
@@ -0,0 +1,12 @@
+package com.baeldung.i;
+
+public class BearCarer implements BearCleaner, BearFeeder {
+
+  public void washTheBear() {
+    //I think we missed a spot..
+  }
+
+  public void feedTheBear() {
+    //Tuna tuesdays..
+  }
+}
@@ -0,0 +1,5 @@
+package com.baeldung.i;
+
+public interface BearCleaner {
+  void washTheBear();
+}
@@ -0,0 +1,5 @@
+package com.baeldung.i;
+
+public interface BearFeeder {
+  void feedTheBear();
+}
@@ -0,0 +1,9 @@
+package com.baeldung.i;
+
+public interface BearKeeper {
+
+  void washTheBear();
+  void feedTheBear();
+  void petTheBear();
+
+}
@@ -0,0 +1,5 @@
+package com.baeldung.i;
+
+public interface BearPetter {
+  void petTheBear();
+}
@@ -0,0 +1,8 @@
+package com.baeldung.i;
+
+public class CrazyPerson implements BearPetter {
+
+  public void petTheBear() {
+    //Good luck with that!
+  }
+}
@@ -0,0 +1,5 @@
+package com.baeldung.i.fixed;
+
+public interface Bank extends Payment {
+    void initiatePayments();
+}
@@ -0,0 +1,21 @@
+package com.baeldung.i.fixed;
+
+import java.util.List;
+
+public class BankPayment implements Bank {
+
+    @Override
+    public void initiatePayments() {
+
+    }
+
+    @Override
+    public Object status() {
+        return null;
+    }
+
+    @Override
+    public List<Object> getPayments() {
+        return null;
+    }
+}
@@ -0,0 +1,6 @@
+package com.baeldung.i.fixed;
+
+public interface Loan extends Payment {
+    void intiateLoanSettlement();
+    void initiateRePayment();
+}
@@ -0,0 +1,26 @@
+package com.baeldung.i.fixed;
+
+import java.util.List;
+
+public class LoanPayment implements Loan {
+
+    @Override
+    public void intiateLoanSettlement() {
+
+    }
+
+    @Override
+    public void initiateRePayment() {
+
+    }
+
+    @Override
+    public Object status() {
+        return null;
+    }
+
+    @Override
+    public List<Object> getPayments() {
+        return null;
+    }
+}
@@ -0,0 +1,8 @@
+package com.baeldung.i.fixed;
+
+import java.util.List;
+
+public interface Payment {
+    Object status();
+    List<Object> getPayments();
+}
@@ -0,0 +1,32 @@
+package com.baeldung.i.polluted;
+
+import java.util.Collections;
+import java.util.List;
+
+public class BankPayment implements Payment {
+
+    @Override
+    public void initiatePayments() {
+
+    }
+
+    @Override
+    public Object status() {
+        return null;
+    }
+
+    @Override
+    public List<Object> getPayments() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public void intiateLoanSettlement() {
+        throw new UnsupportedOperationException("This is not a loan payment");
+    }
+
+    @Override
+    public void initiateRePayment() {
+        throw new UnsupportedOperationException("This is not a loan payment");
+    }
+}
@@ -0,0 +1,31 @@
+package com.baeldung.i.polluted;
+
+import java.util.List;
+
+public class LoanPayment implements Payment {
+
+    @Override
+    public void initiatePayments() {
+
+    }
+
+    @Override
+    public Object status() {
+        return null;
+    }
+
+    @Override
+    public List<Object> getPayments() {
+        return null;
+    }
+
+    @Override
+    public void intiateLoanSettlement() {
+
+    }
+
+    @Override
+    public void initiateRePayment() {
+
+    }
+}
@@ -0,0 +1,13 @@
+package com.baeldung.i.polluted;
+
+import java.util.List;
+
+public interface Payment {
+    void initiatePayments();
+    Object status();
+    List<Object> getPayments();
+
+    //Loan related methods
+    void intiateLoanSettlement();
+    void initiateRePayment();
+}
@@ -0,0 +1,8 @@
+package com.baeldung.l;
+
+public interface Car {
+
+  void turnOnEngine();
+  void accelerate();
+
+}
@@ -0,0 +1,12 @@
+package com.baeldung.l;
+
+public class ElectricCar implements Car {
+
+  public void turnOnEngine() {
+    throw new AssertionError("I don't have an engine!");
+  }
+
+  public void accelerate() {
+    //this acceleration is crazy!
+  }
+}
@@ -0,0 +1,13 @@
+package com.baeldung.l;
+
+public class Engine {
+
+  public void on(){
+    //vroom.
+  }
+
+  public void powerOn(int amount){
+    //do something
+  }
+
+}
@@ -0,0 +1,18 @@
+package com.baeldung.l;
+
+public class MotorCar implements Car {
+
+  private Engine engine;
+
+  //Constructors, getters + setters
+
+  public void turnOnEngine() {
+    //turn on the engine!
+    engine.on();
+  }
+
+  public void accelerate() {
+    //move forward!
+    engine.powerOn(1000);
+  }
+}
@@ -0,0 +1,17 @@
+package com.baeldung.l.advanced;
+
+import java.math.BigDecimal;
+
+public abstract class Account {
+    protected abstract void deposit(BigDecimal amount);
+
+    /**
+     * Reduces the account balance by the specified amount
+     * provided given amount > 0 and account meets minimum available
+     * balance criteria.
+     *
+     * @param amount
+     */
+    protected abstract void withdraw(BigDecimal amount);
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.l.advanced;
+
+import java.math.BigDecimal;
+
+public class BankingAppWithdrawalService {
+    private Account account;
+
+    public BankingAppWithdrawalService(Account account) {
+        this.account = account;
+    }
+
+    public void withdraw(BigDecimal amount) {
+        account.withdraw(amount);
+    }
+}
@@ -0,0 +1,27 @@
+package com.baeldung.l.advanced;
+
+public class Bar extends Foo {
+
+    @Override
+    // precondition: 0 < num <= 10
+    public void doStuff(int num) {
+        if (num <= 0 || num > 10) {
+            throw new IllegalArgumentException("Input out of range 1-10");
+        }
+        // some logic here...
+    }
+
+    @Override
+    // precondition: 0 < num <= 3
+    public void doOtherStuff(int num) {
+        if (num <= 0 || num > 3) {
+            throw new IllegalArgumentException("Input out of range 1-3");
+        }
+        // some logic here...
+    }
+
+    @Override
+    public Integer generateNumber() {
+        return new Integer(10);
+    }
+}
@@ -0,0 +1,26 @@
+package com.baeldung.l.advanced;
+
+public abstract class Car {
+    protected int limit;
+
+    // invariant: speed < limit;
+    protected int speed;
+
+    // Allowed to be set once at the time of creation.
+    // Value can only increment thereafter.
+    // Value cannot be reset.
+    protected int mileage;
+
+    public Car(int mileage) {
+        this.mileage = mileage;
+    }
+
+    protected abstract void turnOnEngine();
+
+    // postcondition: speed < limit
+    protected abstract void accelerate();
+
+    // postcondition: speed must reduce
+    protected abstract void brake();
+
+}
@@ -0,0 +1,15 @@
+package com.baeldung.l.advanced;
+
+import java.math.BigDecimal;
+
+public class CurrentAccount extends Account {
+    @Override
+    protected void deposit(BigDecimal amount) {
+        // Deposit into CurrentAccount
+    }
+
+    @Override
+    protected void withdraw(BigDecimal amount) {
+        // Withdraw from CurrentAccount
+    }
+}
--- a/Show More
+++ b/Show More