org.apache.derby.impl.services.locks

Class SinglePool

java.lang.Object

org.apache.derby.impl.services.locks.AbstractPool

org.apache.derby.impl.services.locks.SinglePool

All Implemented Interfaces:

LockFactory, PropertySetCallback

public final class SinglePool
extends AbstractPool

An implementation of LockFactory that uses a single pool for the locks, i.e. all lock requests go through a single point of synchronisation.
MT - Mutable - Container Object : Thread Aware

Field Summary

Fields inherited from class org.apache.derby.impl.services.locks.AbstractPool

deadlockMonitor, lockTable

Constructor Summary

Constructors

Constructor and Description
SinglePool()

Method Summary

Methods

Modifier and Type	Method and Description
protected LockTable	createLockTable() Create the LockSet object that keeps the locks.

Methods inherited from class org.apache.derby.impl.services.locks.AbstractPool

anyoneBlocked, apply, areLocksHeld, areLocksHeld, clearLimit, createCompatibilitySpace, getWaitTimeout, init, isLockHeld, lockObject, makeVirtualLockTable, map, noLockWait, setLimit, transfer, unlock, unlockGroup, unlockGroup, validate, zeroDurationlockObject

Methods inherited from class java.lang.Object

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

Constructor Detail

SinglePool

public SinglePool()

Method Detail

createLockTable

protected LockTable createLockTable()

Create the LockSet object that keeps the locks.

Specified by:

createLockTable in class AbstractPool

Returns:

a LockSet