-
-
Save weeravit/2ba25a75ae59c157e541962df1039c16 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| public class SingletonClass implements Serializable { | |
| private static volatile SingletonClass sSoleInstance; | |
| //private constructor. | |
| private SingletonClass(){ | |
| //Prevent form the reflection api. | |
| if (sSoleInstance != null){ | |
| throw new RuntimeException("Use getInstance() method to get the single instance of this class."); | |
| } | |
| } | |
| public static SingletonClass getInstance() { | |
| if (sSoleInstance == null) { //if there is no instance available... create new one | |
| synchronized (SingletonClass.class) { | |
| if (sSoleInstance == null) sSoleInstance = new SingletonClass(); | |
| } | |
| } | |
| return sSoleInstance; | |
| } | |
| //Make singleton from serialize and deserialize operation. | |
| protected SingletonClass readResolve() { | |
| return getInstance(); | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment