oracle.ide.util
Class ReadWriteLock

java.lang.Object
  oracle.ide.util.ReadWriteLock

public class ReadWriteLock

extends java.lang.Object

Instances of this class manage read and write locks.

Constructor Summary

ReadWriteLock()

Method Summary

void	done() Threads call this method to relinquish a lock that they previously got from this object.
void	readLock() Issue a read lock if there is no outstanding write lock or threads waiting to get a write lock.
void	writeLock() Issue a write lock if there are no outstanding read or write locks.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReadWriteLock

public ReadWriteLock()

Method Detail

readLock

public void readLock()
              throws java.lang.InterruptedException

Issue a read lock if there is no outstanding write lock or threads waiting to get a write lock.

Throws:

java.lang.InterruptedException

writeLock

public void writeLock()
               throws java.lang.InterruptedException

Issue a write lock if there are no outstanding read or write locks.

Throws:

java.lang.InterruptedException

done

public void done()

Threads call this method to relinquish a lock that they previously got from this object.

Throws:

java.lang.IllegalStateException - if called when there are no outstanding locks or there is a write lock issued to a different thread.