org.terracotta.collections
Class NullLockStrategy<K>

java.lang.Object
  org.terracotta.collections.BasicLockStrategy<K>
      org.terracotta.collections.NullLockStrategy<K>

All Implemented Interfaces:

LockStrategy<K>

public class NullLockStrategy<K>
extends BasicLockStrategy<K>

Constructor Summary

NullLockStrategy()

Method Summary

void	beginLock(String lockID, int type)
void	commitLock(String lockID, int type)
String	generateLockIdForKey(String instanceQualifier, K key) Generate the terracotta lock identifier used when performing operations for the given key.
void	pinLock(String lockID)
boolean	tryBeginLock(String lockID, int type, long nanos)
void	unpinLock(String lockID)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullLockStrategy

public NullLockStrategy()

Method Detail

generateLockIdForKey

public String generateLockIdForKey(String instanceQualifier,
                                   K key)

Description copied from interface: LockStrategy

Generate the terracotta lock identifier used when performing operations for the given key.

Parameters:

instanceQualifier - A unique identifier for the map being operated on. To avoid lock collisions with other maps, this identifier should be part of the return lockId

Returns:

lock identifier

beginLock

public void beginLock(String lockID,
                      int type)

Specified by:

beginLock in interface LockStrategy<K>

Overrides:

beginLock in class BasicLockStrategy<K>

commitLock

public void commitLock(String lockID,
                       int type)

Specified by:

commitLock in interface LockStrategy<K>

Overrides:

commitLock in class BasicLockStrategy<K>

unpinLock

public void unpinLock(String lockID)

Specified by:

unpinLock in interface LockStrategy<K>

Overrides:

unpinLock in class BasicLockStrategy<K>

pinLock

public void pinLock(String lockID)

Specified by:

pinLock in interface LockStrategy<K>

Overrides:

pinLock in class BasicLockStrategy<K>

tryBeginLock

public boolean tryBeginLock(String lockID,
                            int type,
                            long nanos)

Specified by:

tryBeginLock in interface LockStrategy<K>

Overrides:

tryBeginLock in class BasicLockStrategy<K>