org.jboss.cache.eviction
Class Region

java.lang.Object
  |
  +--org.jboss.cache.eviction.Region

public class Region

extends java.lang.Object

A region is a collection of tree cache nodes that share the same eviction policy configurations, e.g., maxNodes, etc. The region is specified via Fqn.

Author:

Ben Wang 2-2004, Daniel Huang

Field Summary

protected short	checkCapacityCount
protected org.apache.commons.logging.Log	log_
protected EDU.oswego.cs.dl.util.concurrent.BoundedBuffer	nodeEventQueue_
static long	WAIT_TIME

Method Summary

EvictionAlgorithm	getEvictionAlgorithm()
EvictionPolicy	getEvictionPolicy()
java.lang.String	getFqn()
int	getMaxAgeSeconds()
int	getMaxNodes()
long	getTimeToLiveSeconds()
int	nodeEventQueueSize()
protected void	putNodeEvent(Fqn fqn, java.lang.Integer event)
void	resetEvictionQueues()
void	setAddedNode(Fqn fqn)
void	setMaxAgeSeconds(int maxAge)
void	setMaxNodes(int maxNodes)
void	setRemovedNode(Fqn fqn)
void	setTimeToLiveSeconds(long secs)
void	setVisitedNode(Fqn fqn)
EvictedEventNode	takeLastEventNode() Take the last node from node queue.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

WAIT_TIME

public static final long WAIT_TIME

See Also:

Constant Field Values

nodeEventQueue_

protected EDU.oswego.cs.dl.util.concurrent.BoundedBuffer nodeEventQueue_

log_

protected org.apache.commons.logging.Log log_

checkCapacityCount

protected short checkCapacityCount

Method Detail

getMaxNodes

public int getMaxNodes()

setMaxNodes

public void setMaxNodes(int maxNodes)

getTimeToLiveSeconds

public long getTimeToLiveSeconds()

setTimeToLiveSeconds

public void setTimeToLiveSeconds(long secs)

getMaxAgeSeconds

public int getMaxAgeSeconds()

setMaxAgeSeconds

public void setMaxAgeSeconds(int maxAge)

getEvictionAlgorithm

public EvictionAlgorithm getEvictionAlgorithm()

getEvictionPolicy

public EvictionPolicy getEvictionPolicy()

getFqn

public java.lang.String getFqn()

setAddedNode

public void setAddedNode(Fqn fqn)

setRemovedNode

public void setRemovedNode(Fqn fqn)

setVisitedNode

public void setVisitedNode(Fqn fqn)

putNodeEvent

protected void putNodeEvent(Fqn fqn,
                            java.lang.Integer event)

takeLastEventNode

public EvictedEventNode takeLastEventNode()

Take the last node from node queue. It will also remove it from the queue.

Returns:

The EvictedEventNode

nodeEventQueueSize

public int nodeEventQueueSize()

resetEvictionQueues

public void resetEvictionQueues()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object