Java Doc for AbstractMetaCache.java in  » Database-ORM » db-ojb » org » apache » ojb » broker » cache » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.broker.cache   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.ojb.broker.cache.AbstractMetaCache All known Subclasses:   org.apache.ojb.broker.cache.ObjectCachePerClassImpl,  org.apache.ojb.broker.cache.ObjectCacheJCSPerClassImpl, AbstractMetaCache abstract public class AbstractMetaCache implements ObjectCache(Code) An abstract 'meta' implementation of the ObjectCache interace. Implement the abstract AbstractMetaCache.getCache method in sub-classes. All base Object/Identity validation is done by this class. author:    Armin Waibel version:    $Id: AbstractMetaCache.java,v 1.5.2.2 2005/12/21 22:24:15 tomdz Exp $ Field Summary final public static  int METHOD_CACHE      final public static  int METHOD_LOOKUP      final public static  int METHOD_REMOVE      Method Summary public  void cache(Identity oid, Object obj)      public  boolean cacheIfNew(Identity oid, Object obj)      We delegate this method to the standard cache method. abstract public  ObjectCache getCache(Identity oid, Object obj, int callingMethod)      This method handle all calls against the ObjectCache interface. Note: The parameter obj can be null - e.g. public  Object lookup(Identity oid)      public  void remove(Identity oid)      Field Detail METHOD_CACHE final public static int METHOD_CACHE(Code) METHOD_LOOKUP final public static int METHOD_LOOKUP(Code) METHOD_REMOVE final public static int METHOD_REMOVE(Code) Method Detail cache public void cache(Identity oid, Object obj)(Code) Caches the given object using the given Identity as key Parameters:   oid - The Identity key Parameters:   obj - The object o cache cacheIfNew public boolean cacheIfNew(Identity oid, Object obj)(Code) We delegate this method to the standard cache method. ++ Override if needed ++ getCache abstract public ObjectCache getCache(Identity oid, Object obj, int callingMethod)(Code) This method handle all calls against the ObjectCache interface. Note: The parameter obj can be null - e.g. when lookup or remove method was called. Parameters:   oid - Identity of the target object. Parameters:   obj - The target object itself or null if not available. Parameters:   callingMethod - Specifies the type of method call against the ObjectCacheinterface. AbstractMetaCache.METHOD_CACHE, AbstractMetaCache.METHOD_LOOKUP, AbstractMetaCache.METHOD_REMOVE. The ObjectCache implementation. lookup public Object lookup(Identity oid)(Code) Looks up the object from the cache Parameters:   oid - The Identity to look up the object for The object if found, otherwise null remove public void remove(Identity oid)(Code) Removes the given object from the cache Parameters:   oid - oid of the object to remove 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)