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java.lang.Object net.sf.ehcache.event.TerracottaCacheEventReplication
public class TerracottaCacheEventReplication
Creates a wrapper for sending out cache events through the Terracotta cluster
Constructor Summary | |
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TerracottaCacheEventReplication()
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Method Summary | |
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TerracottaCacheEventReplication |
clone()
Creates a clone of this listener. |
void |
dispose()
Give the listener a chance to cleanup and free resources when no longer needed |
void |
notifyElementEvicted(Ehcache cache,
Element element)
Called immediately after an element is evicted from the cache. |
void |
notifyElementExpired(Ehcache cache,
Element element)
Called immediately after an element is found to be expired. |
void |
notifyElementPut(Ehcache cache,
Element element)
Called immediately after an element has been put into the cache. |
void |
notifyElementRemoved(Ehcache cache,
Element element)
Called immediately after an attempt to remove an element. |
void |
notifyElementUpdated(Ehcache cache,
Element element)
Called immediately after an element has been put into the cache and the element already existed in the cache. |
void |
notifyRemoveAll(Ehcache cache)
Called during Ehcache.removeAll() to indicate that the all
elements have been removed from the cache in a bulk operation. |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TerracottaCacheEventReplication()
Method Detail |
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public void notifyElementRemoved(Ehcache cache, Element element) throws CacheException
CacheEventListener.notifyRemoveAll(net.sf.ehcache.Ehcache)
CacheEventListener.notifyElementEvicted(net.sf.ehcache.Ehcache, net.sf.ehcache.Element)
notifyElementRemoved
in interface CacheEventListener
cache
- the cache emitting the notificationelement
- the element just deleted, or a synthetic element with just the key set if
no element was removed.
CacheException
public void notifyElementPut(Ehcache cache, Element element) throws CacheException
Cache.put(net.sf.ehcache.Element)
method
will block until this method returns.
Implementers may wish to have access to the Element's fields, including value, so the
element is provided. Implementers should be careful not to modify the element. The
effect of any modifications is undefined.
notifyElementPut
in interface CacheEventListener
cache
- the cache emitting the notificationelement
- the element which was just put into the cache.
CacheException
public void notifyElementUpdated(Ehcache cache, Element element) throws CacheException
Cache.put(net.sf.ehcache.Element)
method
will block until this method returns.
Implementers may wish to have access to the Element's fields, including value, so the
element is provided. Implementers should be careful not to modify the element. The
effect of any modifications is undefined.
notifyElementUpdated
in interface CacheEventListener
cache
- the cache emitting the notificationelement
- the element which was just put into the cache.
CacheException
public void notifyElementExpired(Ehcache cache, Element element)
Cache.remove(Object)
method will block until this method returns.
Elements are checked for expiry in ehcache at the following times:
Cache.DEFAULT_EXPIRY_THREAD_INTERVAL_SECONDS
notifyElementExpired
in interface CacheEventListener
cache
- the cache emitting the notificationelement
- the element that has just expired
Deadlock Warning: expiry will often come from the DiskStore
expiry thread. It holds a lock to the DiskStorea the time the
notification is sent. If the implementation of this method calls into a
synchronized Cache
method and that subsequently calls into
DiskStore a deadlock will result. Accordingly implementers of this method
should not call back into Cache.public void notifyElementEvicted(Ehcache cache, Element element)
notifyElementEvicted
in interface CacheEventListener
cache
- the cache emitting the notificationelement
- the element that has just been evictedpublic void notifyRemoveAll(Ehcache cache)
Ehcache.removeAll()
to indicate that the all
elements have been removed from the cache in a bulk operation. The usual
CacheEventListener.notifyElementRemoved(net.sf.ehcache.Ehcache, net.sf.ehcache.Element)
is not called.
This notification exists because clearing a cache is a special case. It is often
not practical to serially process notifications where potentially millions of elements
have been bulk deleted.
notifyRemoveAll
in interface CacheEventListener
cache
- the cache emitting the notificationpublic TerracottaCacheEventReplication clone() throws CloneNotSupportedException
clone
in interface CacheEventListener
clone
in class Object
CloneNotSupportedException
- if the listener could not be cloned.public void dispose()
dispose
in interface CacheEventListener
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