Java Doc for CacheEntry.java in  » J2EE » Expresso » com » jcorporate » expresso » core » cache » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Expresso » com.jcorporate.expresso.core.cache   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.jcorporate.expresso.core.cache.CacheEntry CacheEntry final public class CacheEntry (Code) Wrapper for any Cacheable object to be stored in a cache. This wrapper provides some utility services to the cacheable object, like maintaining it's usage count (for the least-frequently-used algorithm used to free up cache space when needed) and the expiry time of the object (for caches that use timed expiry of objects - e.g. keep it cached for x seconds) Field Summary protected  long created      Constructor Summary public   CacheEntry(Cacheable newContents)      public   CacheEntry(Cacheable newContents, long newExpires)      Constructor 2 Parameters:   newContents - the object to cache Parameters:   newExpires - how long before the object expires. Method Summary public  void clearUsedCount()      public  Cacheable getContents()      public  long getCreated()      public  long getExpires()      public  String getKey()      public  long getUsedCount()      public  void incrementUsedCount()      final public  boolean isExpired()      Checks if the object has expired. public  void setExpiration(long expiration)      Set the expiration time for the cache entry. Field Detail created protected long created(Code) When created * Constructor Detail CacheEntry public CacheEntry(Cacheable newContents)(Code) Constructor 1 Sets the object to expire in the default time Parameters:   newContents - the Cacheable object you want to cache CacheEntry public CacheEntry(Cacheable newContents, long newExpires)(Code) Constructor 2 Parameters:   newContents - the object to cache Parameters:   newExpires - how long before the object expires. In millis,e.g. 1000 = 1 second Method Detail clearUsedCount public void clearUsedCount()(Code) getContents public Cacheable getContents()(Code) the object getCreated public long getCreated()(Code) when the object was created getExpires public long getExpires()(Code) when the object expires getKey public String getKey()(Code) the object getUsedCount public long getUsedCount()(Code) Used for figuring out how often this has been used The number of times this entry has been used incrementUsedCount public void incrementUsedCount()(Code) isExpired final public boolean isExpired()(Code) Checks if the object has expired. If it has then it is to be purged from the cache. true if the object has expired setExpiration public void setExpiration(long expiration)(Code) Set the expiration time for the cache entry. Parameters:   expiration - time in milliseconds to hold the object before it expires. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)