com.hammurapi.store

Class DeputyReadWriteLock

java.lang.Object

com.hammurapi.store.DeputyReadWriteLock

All Implemented Interfaces:

ReadWriteLock

public class DeputyReadWriteLock
extends Object
implements ReadWriteLock

This lock acts on behalf of another lock and acquires its own locks only if the master doesn't hold corresponding locks. This class is used to distribute store operations to multiple threads/processes.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DeputyReadWriteLock(DeputyLock readLock, DeputyLock writeLock)
	DeputyReadWriteLock(ReadWriteLock master, boolean readLocked, boolean writeLocked)

Method Summary

Methods

Modifier and Type	Method and Description
DeputyReadWriteLock	createDeputy()
Lock	readLock()
Lock	writeLock()

Methods inherited from class java.lang.Object

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

Constructor Detail

DeputyReadWriteLock

public DeputyReadWriteLock(ReadWriteLock master,
                   boolean readLocked,
                   boolean writeLocked)

DeputyReadWriteLock

protected DeputyReadWriteLock(DeputyLock readLock,
                   DeputyLock writeLock)

Method Detail

readLock

public Lock readLock()

Specified by:

readLock in interface ReadWriteLock

writeLock

public Lock writeLock()

Specified by:

writeLock in interface ReadWriteLock

createDeputy

public DeputyReadWriteLock createDeputy()