Skip to content

Commit 0eeb614

Browse files
cbozancbozan
committed
New Prototype example.
1 parent 2ab1532 commit 0eeb614

File tree

11 files changed

+233
-128
lines changed

11 files changed

+233
-128
lines changed

‎nbproject/project.properties‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -73,7 +73,7 @@ jlink.additionalmodules=
7373
jlink.additionalparam=
7474
jlink.launcher=true
7575
jlink.launcher.name=design_patterns_exercises_with_java
76-
main.class=main.Main
76+
main.class=creational.singleton.test.SingletonTest
7777
manifest.file=manifest.mf
7878
meta.inf.dir=${src.dir}/META-INF
7979
mkdist.disabled=false

‎src/creational/prototype/example/Data.java‎

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,35 @@
1+
/*
2+
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
3+
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
4+
*/
5+
package creational.prototype.example;
6+
7+
/**
8+
*
9+
* @author https://github.com/cbozan
10+
*/
11+
public abstract class Data {
12+
13+
public int dataNo, dataCategory;
14+
15+
public Data(){}
16+
17+
public Data(int dataNo, int dataCategory){
18+
this.dataCategory = dataCategory;
19+
this.dataNo = dataNo;
20+
}
21+
22+
public Data(Data data){
23+
this(data.dataNo, data.dataCategory);
24+
}
25+
26+
public abstract Data clone();
27+
28+
@Override
29+
public String toString() {
30+
return "Data{" + "dataNo=" + dataNo + ", dataCategory=" + dataCategory + '}';
31+
}
32+
33+
34+
35+
}

‎src/creational/prototype/example/SuperUserData.java‎

Lines changed: 40 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
1+
/*
2+
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
3+
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
4+
*/
5+
package creational.prototype.example;
6+
7+
/**
8+
*
9+
* @author https://github.com/cbozan
10+
*/
11+
public class SuperUserData extends Data{
12+
13+
int superUserId, branchId;
14+
15+
public SuperUserData(){}
16+
17+
public SuperUserData(int superUserId, int branchId){
18+
this.superUserId = superUserId;
19+
this.branchId = branchId;
20+
}
21+
22+
public SuperUserData(SuperUserData superUserData){
23+
super(superUserData);
24+
this.branchId = superUserData.branchId;
25+
this.superUserId = superUserData.superUserId;
26+
}
27+
28+
@Override
29+
public Data clone() {
30+
return new SuperUserData(this);
31+
}
32+
33+
@Override
34+
public String toString() {
35+
return super.toString() + " | SuperUserData{" + "superUserId=" + superUserId + ", branchId=" + branchId + '}';
36+
}
37+
38+
39+
40+
}

‎src/creational/prototype/example/UserData.java‎

Lines changed: 19 additions & 73 deletions
Original file line numberDiff line numberDiff line change
@@ -4,89 +4,35 @@
44
*/
55
package creational.prototype.example;
66

7-
import java.util.ArrayList;
8-
97
/**
108
*
119
* @author https://github.com/cbozan
1210
*/
13-
public class UserData implements Cloneable {
14-
15-
ArrayList<String[]> userData;
16-
ArrayList<String[]> userMetaData;
17-
18-
public UserData() {
19-
userData = new ArrayList<>();
20-
userMetaData = new ArrayList<>();
21-
getUserDataFromDB();
22-
}
11+
public class UserData extends Data{
12+
13+
int normalUserId, taskId;
2314

24-
public UserData(ArrayList<String[]> userData, ArrayList<String[]> userMetaData){
25-
setUserData(userData);
26-
setUserMetaData(userMetaData);
15+
public UserData(){}
16+
17+
public UserData(int normaluserId, int taskId){
18+
this.normalUserId = normaluserId;
19+
this.taskId = taskId;
2720
}
28-
29-
public void getUserDataFromDB() {
30-
31-
// DataBase operations for userData table
32-
// userData için veri tabanı işlemleri gerçekleştiriliyor (varsayılan)
33-
userData.add(new String[]{"Row1-col1", "Row1-col2", "Row1-col3"});
34-
userData.add(new String[]{"Row2-col1", "Row2-col2", "Row2-col3"});
35-
userData.add(new String[]{"Row3-col1", "Row3-col2", "Row3-col3"});
36-
37-
// DataBase operations for UserMetaData table
38-
// userMetaData için veri tabanı işlemleri gerçekleştiriliyor (varsayıyoruz)
39-
userMetaData.add(new String[]{"Row1-col1", "Row1-col2"});
40-
userMetaData.add(new String[]{"Row2-col1", "Row2-col2"});
41-
userMetaData.add(new String[]{"Row3-col1", "Row3-col2"});
42-
21+
22+
public UserData(UserData userData){
23+
super(userData);
24+
this.normalUserId = userData.normalUserId;
25+
this.taskId = userData.taskId;
4326
}
44-
27+
4528
@Override
46-
public Object clone() throws CloneNotSupportedException {
47-
ArrayList<String[]> tempUserData = new ArrayList<>();
48-
ArrayList<String[]> tempUserMetaData = new ArrayList<>();
49-
50-
// copy userData
51-
// userData verilerinin kopyalanması
52-
for(String[] row : getUserData()){
53-
tempUserData.add(new String[row.length]);
54-
for(int i = 0; i < row.length; i++){
55-
tempUserData.get(tempUserData.size() - 1)[i] = row[i];
56-
}
57-
}
58-
59-
// copy userMetaData
60-
// userMetaData verilerinin kopyalanması
61-
for(String[] row : getUserMetaData()){
62-
tempUserMetaData.add(new String[row.length]);
63-
for(int i = 0; i < row.length; i++){
64-
tempUserMetaData.get(tempUserMetaData.size() - 1)[i] = row[i];
65-
}
66-
}
67-
68-
// create new object without db connection
69-
// Veri tabanı bağlantısı olmadan yeni nesnesimizi oluşturuyoruz (mevcut verilerle)
70-
return new UserData(tempUserData, tempUserMetaData);
29+
public Data clone() {
30+
return new UserData(this);
7131
}
7232

73-
public ArrayList<String[]> getUserData() {
74-
return userData;
75-
}
76-
77-
public void setUserData(ArrayList<String[]> userData) {
78-
this.userData = userData;
79-
}
80-
81-
public ArrayList<String[]> getUserMetaData() {
82-
return userMetaData;
83-
}
84-
85-
public void setUserMetaData(ArrayList<String[]> userMetaData) {
86-
this.userMetaData = userMetaData;
33+
@Override
34+
public String toString() {
35+
return super.toString() + " | UserData{" + "normalUserId=" + normalUserId + ", taskId=" + taskId + '}';
8736
}
88-
89-
90-
9137

9238
}

‎src/creational/prototype/test/PrototypeTest.java‎

Lines changed: 15 additions & 54 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@
44
*/
55
package creational.prototype.test;
66

7+
import creational.prototype.example.SuperUserData;
78
import creational.prototype.example.UserData;
89
import java.util.logging.Level;
910
import java.util.logging.Logger;
@@ -14,65 +15,25 @@
1415
*/
1516
public class PrototypeTest {
1617

17-
1818
public static void main(String[] args) throws CloneNotSupportedException {
1919

20-
//ilk nesne oluşturulma aşaması veri tabanı bağlantısı sağlanacak
21-
// initial object creation (will use the db connection)
22-
UserData userDataOriginal = new UserData();
23-
24-
// clone original
25-
UserData userDataCopy1 = (UserData) userDataOriginal.clone();
26-
userDataCopy1.getUserData().add(new String[]{"added later copy1", "added later copy1"});
27-
userDataCopy1.getUserData().add(new String[]{"added later copy1", "added later", "added later", "added later"});
28-
29-
// clone copy1
30-
UserData userDataCopy2 = (UserData) userDataCopy1.clone();
31-
32-
// delete last element (array)
33-
// listedeki son elemanı (diziyi) sil
34-
userDataCopy2.getUserData().remove(userDataCopy2.getUserData().size() - 1);
35-
userDataCopy2.getUserMetaData().add(new String[]{"added later copy2", "akdsjfkj"});
36-
37-
System.out.println("Original data\n");
38-
myPrint(userDataOriginal);
39-
40-
System.out.println("\n\nCopy-1 data\n\n");
41-
myPrint(userDataCopy1);
42-
43-
System.out.println("\n\nCopy-2 data\n\n");
44-
myPrint(userDataCopy2);
20+
SuperUserData sud = new SuperUserData(1, 1);
21+
sud.dataCategory = 2;
22+
sud.dataNo = 2;
4523

46-
System.out.println("\n\n");
24+
SuperUserData sudClone = (SuperUserData) sud.clone();
4725

48-
}
49-
50-
public static void myPrint(UserData userData){
51-
52-
System.out.println("\tuserData\n");
53-
for(String[] row : userData.getUserData()){
54-
System.out.print("\t\t");
55-
for(int col = 0; col < row.length; col++){
56-
System.out.print(row[col] + "\t");
57-
}
58-
System.out.println();
59-
}
26+
UserData ud = new UserData(3, 3);
27+
ud.dataCategory = 4;
28+
ud.dataNo = 4;
6029

61-
System.out.println();
30+
UserData udClone = (UserData) ud.clone();
31+
32+
System.out.println("sud object : " + sud + " and hashCode : " + sud.hashCode());
33+
System.out.println("sudClone object : " + sudClone + " and hashCode : " + sudClone.hashCode());
6234

63-
System.out.println("\tuserMetaData\n");
64-
for(String[] row : userData.getUserMetaData()){
65-
System.out.print("\t\t");
66-
for(int col = 0; col < row.length; col++){
67-
System.out.print(row[col] + "\t");
68-
}
69-
System.out.println();
70-
}
35+
System.out.println("ud object : " + ud + " and hashCode : " + ud.hashCode());
36+
System.out.println("udClone object : " + udClone + " and hashCode : " + udClone.hashCode());
7137

72-
}
73-
74-
75-
76-
77-
38+
}
7839
}

‎src/creational/singleton/test/SingletonTest.java‎

Lines changed: 25 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@
99
import creational.singleton.singleton.StatikBlokBaslatma;
1010
import creational.singleton.singleton.TembelBaslatma;
1111
import creational.singleton.singleton.ThreadGuvenligi;
12+
import java.lang.reflect.Constructor;
1213

1314
/**
1415
*
@@ -43,14 +44,38 @@ public static void main(String[] args){
4344
ThreadGuvenligi instance4_2 = ThreadGuvenligi.getInstance();
4445
if(instance4_1 == instance4_2){
4546
System.out.println("Thread Güvenliği singleton test sonucu : " + "Aynı nesneye işaret edildiğinden test başarılı.");
47+
4648
}
4749

4850
// Bill Pugh Singleton
4951
BillPughSingleton instance5_1 = BillPughSingleton.getInstance();
5052
BillPughSingleton instance5_2 = BillPughSingleton.getInstance();
5153
if(instance5_1 == instance5_2){
5254
System.out.println("Bill Pugh singleton test sonucu : " + "Aynı nesneye işaret edildiğinden test başarılı.");
55+
System.out.println("instance5_1 hashcode : " + instance5_1.hashCode());
56+
System.out.println("instance5_2 hashcode : " + instance5_2.hashCode());
5357
}
5458

59+
60+
61+
// BillPughSingleton'ın amacını yok etme
62+
// BillPughSingleton crack
63+
BillPughSingleton instance = BillPughSingleton.getInstance();
64+
BillPughSingleton instance2 = null;
65+
66+
try{
67+
Constructor[] constructors = BillPughSingleton.class.getDeclaredConstructors();
68+
for(Constructor constructor : constructors){
69+
constructor.setAccessible(true);
70+
instance2 = (BillPughSingleton)constructor.newInstance();
71+
break;
72+
}
73+
74+
} catch(Exception e){
75+
e.printStackTrace();
76+
}
77+
78+
System.out.println("instance hashcode : " + instance.hashCode());
79+
System.out.println("instance1 hashcode : " + instance2.hashCode());
5580
}
5681
}

‎src/structural/adapter/database/FireBase.java‎

Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,19 @@
1+
/*
2+
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
3+
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
4+
*/
5+
package structural.adapter.database;
6+
7+
8+
/**
9+
*
10+
* @author https://github.com/cbozan
11+
*/
12+
public class FireBase{
13+
14+
public FireBase(String connection) {
15+
}
16+
17+
18+
19+
}

‎src/structural/adapter/database/MySQL.java‎

Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,19 @@
1+
/*
2+
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
3+
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
4+
*/
5+
package structural.adapter.database;
6+
7+
import structural.adapter.entity.DBConnection;
8+
9+
/**
10+
*
11+
* @author https://github.com/cbozan
12+
*/
13+
public class MySQL extends DBConnection{
14+
15+
public MySQL(String connection) {
16+
super(connection);
17+
}
18+
19+
}

‎src/structural/adapter/database/PostgreSQL.java‎

Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,19 @@
1+
/*
2+
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
3+
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
4+
*/
5+
package structural.adapter.database;
6+
7+
import structural.adapter.entity.DBConnection;
8+
9+
/**
10+
*
11+
* @author https://github.com/cbozan
12+
*/
13+
public class PostgreSQL extends DBConnection{
14+
15+
public PostgreSQL(String connection) {
16+
super(connection);
17+
}
18+
19+
}

0 commit comments

Comments
 (0)