Added Prototype design pattern

Author: cbozan

src/creational/builder/test/BuilderTest.java

@@ -14,8 +14,14 @@ public class BuilderTest {
 
     public static void main(String[] args){
 
-        CokOzellikliNesne.CokOzellikliNesneBuilder build = new CokOzellikliNesne.CokOzellikliNesneBuilder(3 /* rastgele*/);
-        CokOzellikliNesne nesne = build.setP2("Properties2").setP3(true).build();
+        CokOzellikliNesne.CokOzellikliNesneBuilder builder = new CokOzellikliNesne.CokOzellikliNesneBuilder(3 /* rastgele*/);
+        CokOzellikliNesne nesne = builder.setP2("Properties2").setP3(true).build();
+        
+//        // OR
+//         builder = builder.setP2("Properties2");
+//         builder = builder.setP3(false);
+//         CokOzellikliNesne nesne = builder.build();
+        
         System.out.println(nesne.toString());
 
     }

src/creational/prototype/example/UserData.java

@@ -0,0 +1,92 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package creational.prototype.example;
+
+import java.util.ArrayList;
+
+/**
+ *
+ * @author https://github.com/cbozan
+ */
+public class UserData implements Cloneable {
+
+    ArrayList<String[]> userData;
+    ArrayList<String[]> userMetaData;
+
+    public UserData() {
+        userData = new ArrayList<>();
+        userMetaData = new ArrayList<>();
+        getUserDataFromDB();
+    }
+    
+    public UserData(ArrayList<String[]> userData, ArrayList<String[]> userMetaData){
+        setUserData(userData);
+        setUserMetaData(userMetaData);
+    }
+
+    public void getUserDataFromDB() {
+        
+        // DataBase operations for userData table
+        // userData için veri tabanı işlemleri gerçekleştiriliyor (varsayılan)
+        userData.add(new String[]{"Row1-col1", "Row1-col2", "Row1-col3"});
+        userData.add(new String[]{"Row2-col1", "Row2-col2", "Row2-col3"});
+        userData.add(new String[]{"Row3-col1", "Row3-col2", "Row3-col3"});
+        
+        // DataBase operations for UserMetaData table
+        // userMetaData için veri tabanı işlemleri gerçekleştiriliyor (varsayıyoruz)
+        userMetaData.add(new String[]{"Row1-col1", "Row1-col2"});
+        userMetaData.add(new String[]{"Row2-col1", "Row2-col2"});
+        userMetaData.add(new String[]{"Row3-col1", "Row3-col2"});
+        
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        ArrayList<String[]> tempUserData = new ArrayList<>();
+        ArrayList<String[]> tempUserMetaData = new ArrayList<>();
+        
+        // copy userData
+        // userData verilerinin kopyalanması
+        for(String[] row : getUserData()){
+            tempUserData.add(new String[row.length]);
+            for(int i = 0; i < row.length; i++){
+                tempUserData.get(tempUserData.size() - 1)[i] = row[i];
+            }
+        }
+        
+        // copy userMetaData
+        // userMetaData verilerinin kopyalanması
+        for(String[] row : getUserMetaData()){
+            tempUserMetaData.add(new String[row.length]);
+            for(int i = 0; i < row.length; i++){
+                tempUserMetaData.get(tempUserMetaData.size() - 1)[i] = row[i];
+            }
+        }
+        
+        // create new object without db connection
+        // Veri tabanı bağlantısı olmadan yeni nesnesimizi oluşturuyoruz (mevcut verilerle)
+        return new UserData(tempUserData, tempUserMetaData);
+    }
+
+    public ArrayList<String[]> getUserData() {
+        return userData;
+    }
+
+    public void setUserData(ArrayList<String[]> userData) {
+        this.userData = userData;
+    }
+
+    public ArrayList<String[]> getUserMetaData() {
+        return userMetaData;
+    }
+
+    public void setUserMetaData(ArrayList<String[]> userMetaData) {
+        this.userMetaData = userMetaData;
+    }
+
+    
+
+    
+}

src/creational/prototype/test/PrototypeTest.java

@@ -0,0 +1,78 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package creational.prototype.test;
+
+import creational.prototype.example.UserData;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author https://github.com/cbozan
+ */
+public class PrototypeTest {
+    
+    
+    public static void main(String[] args) throws CloneNotSupportedException {
+        
+        //ilk nesne oluşturulma aşaması veri tabanı bağlantısı sağlanacak
+        // initial object creation (will use the db connection)
+        UserData userDataOriginal = new UserData();
+        
+        // clone original
+        UserData userDataCopy1 = (UserData) userDataOriginal.clone();
+        userDataCopy1.getUserData().add(new String[]{"added later copy1", "added later copy1"});
+        userDataCopy1.getUserData().add(new String[]{"added later copy1", "added later", "added later", "added later"});
+        
+        // clone copy1
+        UserData userDataCopy2 = (UserData) userDataCopy1.clone();
+        
+        // delete last element (array)
+        // listedeki son elemanı (diziyi) sil
+        userDataCopy2.getUserData().remove(userDataCopy2.getUserData().size() - 1); 
+        userDataCopy2.getUserMetaData().add(new String[]{"added later copy2", "akdsjfkj"});
+        
+        System.out.println("Original data\n");
+        myPrint(userDataOriginal);
+        
+        System.out.println("\n\nCopy-1 data\n\n");
+        myPrint(userDataCopy1);
+        
+        System.out.println("\n\nCopy-2 data\n\n");
+        myPrint(userDataCopy2);
+        
+        System.out.println("\n\n");
+        
+    }
+    
+    public static void myPrint(UserData userData){
+        
+        System.out.println("\tuserData\n");
+        for(String[] row : userData.getUserData()){
+            System.out.print("\t\t");
+            for(int col = 0; col < row.length; col++){
+                System.out.print(row[col] + "\t");
+            }
+            System.out.println();
+        }
+        
+        System.out.println();
+        
+        System.out.println("\tuserMetaData\n");
+        for(String[] row : userData.getUserMetaData()){
+            System.out.print("\t\t");
+            for(int col = 0; col < row.length; col++){
+                System.out.print(row[col] + "\t");
+            }
+            System.out.println();
+        }
+        
+    }
+    
+    
+    
+    
+    
+}