Named-Lock version 1.0 B2 was released
1. Quick Reference.
The named-lock is a utility for acquiring named locks.
1.1 Named factory.
Main class
public class Test { public static void main(String[] args) throws InterruptedException{ NamedLockFactory lockFactory = new NamedLockFactory(); System.out.println("start test"); Lock lock = lockFactory.getLock("lock_name"); lock.lock(); try{ Task task = new Task(lockFactory); task.start(); Thread.sleep(1000); System.out.println("1"); } finally{ lock.unlock(); } Thread.sleep(1000); System.out.println("end test"); } }
Task class
public class Task extends Thread{ private NamedLockFactory lockFactory; public Task(NamedLockFactory lockFactory){ this.lockFactory = lockFactory; } public void run(){ Lock lock = lockFactory.getLock("lock_name"); lock.lock(); try{ System.out.println("2"); } finally{ lock.unlock(); } } }
output:
start test
1
2
end test
1.2 Named lock.
NamedLock namedLock = new NamedLock() Serializable refLock = namedLock.lock("lock_name"); try{ // manipulate protected state } finally{ namedLock.unlock(refLock, "lock_name"); }
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