org.jboss.cache.eviction
Class RegionManager

java.lang.Object
  org.jboss.cache.eviction.RegionManager

public class RegionManager
extends java.lang.Object

Factory to create region from configuration, to track region, and to resolve naming conflict for regions. Note that in addition to user-specified regions, there is also a global cache _default_ region that covers everything else.

Version:

$Id: RegionManager.java,v 1.9.2.1 2006/04/07 11:54:50 bwang Exp $

Author:

Ben Wang 02-2004, Daniel Huang (dhuang@jboss.org)

Field Summary

static int

CAPACITY

Constructor Summary

RegionManager()

Method Summary

void	checkConflict(java.lang.String myFqn) Check for conflict in the current regions.
void	configure(TreeCache cache)
Region	createRegion(java.lang.String fqn, org.w3c.dom.Element regionConfig) Create a region based on fqn.
Region	createRegion(java.lang.String fqn, EvictionAlgorithm algorithm) Deprecated. DO NOT USE THIS METHOD. IT IS PROVIDED FOR EJB3 INTEGRATION BACKWARDS COMPATIBILITY
Region	createRegion(java.lang.String fqn, EvictionPolicy policy, EvictionConfiguration config)
int	getEvictionThreadWakeupIntervalSeconds()
Region	getRegion(java.lang.String myFqn)
Region[]	getRegions()
boolean	hasRegion(java.lang.String myFqn)
static boolean	isUsingNewStyleConfiguration(org.w3c.dom.Element evictionRegionConfigElem)
void	removeRegion(java.lang.String fqn)

Methods inherited from class java.lang.Object

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

Field Detail

CAPACITY

public static final int CAPACITY

See Also:

Constant Field Values

Constructor Detail

RegionManager

public RegionManager()

Method Detail

getEvictionThreadWakeupIntervalSeconds

public int getEvictionThreadWakeupIntervalSeconds()

createRegion

public Region createRegion(java.lang.String fqn,
                           EvictionAlgorithm algorithm)
                    throws RegionNameConflictException

Deprecated. DO NOT USE THIS METHOD. IT IS PROVIDED FOR EJB3 INTEGRATION BACKWARDS COMPATIBILITY

Throws:

RegionNameConflictException

createRegion

public Region createRegion(java.lang.String fqn,
                           org.w3c.dom.Element regionConfig)
                    throws RegionNameConflictException

Create a region based on fqn.

Parameters:

fqn - The region identifier.

regionConfig - The XML configuration DOM Element for this region.

Throws:

RegionNameConflictException

createRegion

public Region createRegion(java.lang.String fqn,
                           EvictionPolicy policy,
                           EvictionConfiguration config)
                    throws RegionNameConflictException

Throws:

RegionNameConflictException

configure

public void configure(TreeCache cache)

removeRegion

public void removeRegion(java.lang.String fqn)

hasRegion

public boolean hasRegion(java.lang.String myFqn)

getRegion

public Region getRegion(java.lang.String myFqn)

getRegions

public Region[] getRegions()

checkConflict

public void checkConflict(java.lang.String myFqn)
                   throws RegionNameConflictException

Check for conflict in the current regions. There is a conflict

if fqn is any parent fqn of the current regions.

Parameters:

myFqn - Current fqn for potential new region.

Throws:

RegionNameConflictException - to indicate a region name conflict has ocurred.

isUsingNewStyleConfiguration

public static boolean isUsingNewStyleConfiguration(org.w3c.dom.Element evictionRegionConfigElem)