org.jboss.shotoku.cache
Class ShotokuResourceWatcherSplitDescriptor<K,T>

java.lang.Object
  org.jboss.shotoku.cache.ShotokuCacheItem<K,T>
      org.jboss.shotoku.cache.ShotokuResourceWatcher<K,T>
          org.jboss.shotoku.cache.ShotokuResourceWatcherSplitDescriptor<K,T>

public abstract class ShotokuResourceWatcherSplitDescriptor<K,T>
extends ShotokuResourceWatcher<K,T>

Same as ShotokuResourceWatcher but the update method has a different signature (the information about changes to resources is split into three sets).

Author:

Adam Warski (adamw@aster.pl)

Constructor Summary

ShotokuResourceWatcherSplitDescriptor()

Method Summary

protected void	update(K key, T currentObject, java.util.Map<java.lang.String,ChangeType> changes) Same as ShotokuCacheItem.update(String, T), but is called only when some of the watched resources change, not on each call of update by the service.
protected abstract void	update(K key, T currentObject, java.util.Set<java.lang.String> modified, java.util.Set<java.lang.String> added, java.util.Set<java.lang.String> deleted) Same as ShotokuCacheItem.update(String, T), but is called only when some of the watched resources change, not on each call of update by the service.

Methods inherited from class org.jboss.shotoku.cache.ShotokuResourceWatcher

addWatchedPath, deleteWatchedPath, resetWatchedPaths, update

Methods inherited from class org.jboss.shotoku.cache.ShotokuCacheItem

get, getContentManager, init, initContentManager, put, remove, update

Methods inherited from class java.lang.Object

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

Constructor Detail

ShotokuResourceWatcherSplitDescriptor

public ShotokuResourceWatcherSplitDescriptor()

Method Detail

update

protected abstract void update(K key,
                               T currentObject,
                               java.util.Set<java.lang.String> modified,
                               java.util.Set<java.lang.String> added,
                               java.util.Set<java.lang.String> deleted)

Same as ShotokuCacheItem.update(String, T), but is called only when some of the watched resources change, not on each call of update by the service. If the object in the cache should be changed, the implementing method must call put(key, newObject).

Parameters:

key - Key of the object to update.

currentObject - Current value held in the cache.

modified - Set of paths that changed since the last update.

added - Set of paths that were added since the last update.

deleted - Set of paths that were deleted the last update.

update

protected void update(K key,
                      T currentObject,
                      java.util.Map<java.lang.String,ChangeType> changes)

Description copied from class: ShotokuResourceWatcher

Same as ShotokuCacheItem.update(String, T), but is called only when some of the watched resources change, not on each call of update by the service. If the object in the cache should be changed, the implementing method must call put(key, newObject).

Specified by:

update in class ShotokuResourceWatcher<K,T>

Parameters:

key - Key of the object to update.

currentObject - Current value held in the cache.

changes - A map of descripiton of changes that occured since last update.