org.apache.xindice.util
Class LockManager

java.lang.Object
  |
  +--org.apache.xindice.util.LockManager

public final class LockManager

extends java.lang.Object

LockManager manages resource locks. A resource is any shared object that can be represented as a long. The LockManager should be constructed using the maximum number of concurrent clients a specific resource might have.

Constructor Summary

LockManager(int maxLocks)

Method Summary

void	acquireExclusiveLock(long id) acquireExclusiveLock acquires an exclusive lock on a resource.
void	acquireExclusiveLock(java.lang.Object key) acquireExclusiveLock acquires an exclusive lock on a resource.
void	acquireSharedLock(long id) acquireSharedLock acquires a shared lock on a resource.
void	acquireSharedLock(java.lang.Object key) acquireSharedLock acquires a shared lock on a resource.
void	releaseExclusiveLock(long id) releaseExclusiveLock releases an exclusive lock on a resource.
void	releaseExclusiveLock(java.lang.Object key) releaseExclusiveLock releases an exclusive lock on a resource.
void	releaseSharedLock(long id) releaseSharedLock releases a shared lock on a resource.
void	releaseSharedLock(java.lang.Object key) releaseSharedLock releases a shared lock on a resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockManager

public LockManager(int maxLocks)

Method Detail

acquireSharedLock

public void acquireSharedLock(long id)

acquireSharedLock acquires a shared lock on a resource. Shared locks are typically used for reads.

acquireSharedLock

public void acquireSharedLock(java.lang.Object key)

acquireSharedLock acquires a shared lock on a resource. Shared locks are typically used for reads.

releaseSharedLock

public void releaseSharedLock(long id)

releaseSharedLock releases a shared lock on a resource. Shared locks are typically used for reads.

releaseSharedLock

public void releaseSharedLock(java.lang.Object key)

releaseSharedLock releases a shared lock on a resource. Shared locks are typically used for reads.

acquireExclusiveLock

public void acquireExclusiveLock(long id)

acquireExclusiveLock acquires an exclusive lock on a resource. Exclusive locks are typically used for writes.

acquireExclusiveLock

public void acquireExclusiveLock(java.lang.Object key)

acquireExclusiveLock acquires an exclusive lock on a resource. Exclusive locks are typically used for writes.

releaseExclusiveLock

public void releaseExclusiveLock(long id)

releaseExclusiveLock releases an exclusive lock on a resource. Exclusive locks are typically used for writes.

releaseExclusiveLock

public void releaseExclusiveLock(java.lang.Object key)

releaseExclusiveLock releases an exclusive lock on a resource. Exclusive locks are typically used for writes.