Design Pattern - Day 3

Author: fdeniz07

src/BehavioralDP/ChainOfResponsibilityDP/Approver.java

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+package BehavioralDP.ChainOfResponsibilityDP;
+
+//Yetki dagilimi icin abstract sinif
+public abstract class Approver {
+
+    Approver chief;
+
+    //parametreli const.
+    public Approver(Approver chief) {
+        this.chief = chief;
+    }
+
+    //onaylanabilecek kredi limiti
+    abstract boolean approveLoan(int amount);
+}

src/BehavioralDP/ChainOfResponsibilityDP/ChainOfResponsibilityRunner.java

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+package BehavioralDP.ChainOfResponsibilityDP;
+
+public class ChainOfResponsibilityRunner {
+
+    void chainOfResponsibilityDemo() {
+
+        Approver genelMudur = new GenelMudur();
+        Approver mudur = new Mudur(genelMudur);
+        Approver memur = new Memur(mudur);
+
+        System.out.println("Kredi verme limitleri : ");
+        System.out.println("Memur icin maksimum : <100");
+        System.out.println("Müdür icin maksimum : <500");
+        System.out.println("Genel Müdür icin limit yok");
+
+        //islemler hep memur sinifi üzerinden yapilacak
+        System.out.println("***********************");
+        System.out.println("Müsterinin memurdan talep ettigi kredi miktari : 50");
+        memur.approveLoan(50);
+
+        System.out.println("***********************");
+        System.out.println("Müsterinin memurdan talep ettigi kredi miktari : 450");
+        memur.approveLoan(450);
+
+        System.out.println("***********************");
+        System.out.println("Müsterinin memurdan talep ettigi kredi miktari : 1050");
+        memur.approveLoan(1050);
+
+    }
+
+    public static void main(String[] args) {
+
+        ChainOfResponsibilityRunner cor = new ChainOfResponsibilityRunner();
+        cor.chainOfResponsibilityDemo();
+
+    }
+}

src/BehavioralDP/ChainOfResponsibilityDP/GenelMudur.java

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+package BehavioralDP.ChainOfResponsibilityDP;
+
+public class GenelMudur extends Approver {
+
+
+    public GenelMudur() {
+        super(null);
+    }
+
+    @Override
+    boolean approveLoan(int amount) {
+
+        System.out.println("Genel müdür onayladi...");
+        System.out.println("************************");
+        return true;
+
+    }
+}

src/BehavioralDP/ChainOfResponsibilityDP/Memur.java

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+package BehavioralDP.ChainOfResponsibilityDP;
+
+public class Memur extends Approver {
+
+
+    public Memur(Approver chief) {
+        super(chief);
+    }
+
+    @Override
+    boolean approveLoan(int amount) { //150
+
+        if (amount < 100) {
+
+            System.out.println("Memur onayladi");
+            System.out.println("*****************");
+            return true;
+
+        } else if (chief != null) {
+
+            System.out.println("Miktar memurun onaylama siniri disinda, Sef'e yönlendiriliyor ");
+            return chief.approveLoan(amount);
+
+        }
+        return false;
+    }
+}

src/BehavioralDP/ChainOfResponsibilityDP/Mudur.java

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+package BehavioralDP.ChainOfResponsibilityDP;
+
+public class Mudur extends Approver {
+
+
+    public Mudur(Approver chief) {
+        super(chief);
+    }
+
+    @Override
+    boolean approveLoan(int amount) {
+
+        if (amount < 500){
+
+            System.out.println("Müdür onayladi");
+            System.out.println("*****************");
+            return true;
+        } else if (chief != null) {
+
+            System.out.println("Miktar müdürün onaylama siniri disinda, Sef'e yönlendiriliyor ");
+            return chief.approveLoan(amount);
+
+        }
+        return false;
+    }
+}