Java Doc for NullLevel2Cache.java in  » Database-ORM » JPOX » org » jpox » cache » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » JPOX » org.jpox.cache   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jpox.cache.NullLevel2Cache NullLevel2Cache public class NullLevel2Cache implements Level2Cache(Code) Null implementation of a Level 2 Cache. Exists to meet the JDO 2 spec which states that the PMF will return a DataStoreCache that silently does nothing when its methods are called. Extends the JDO2 spec provided EmptyDataStoreCache to provide the add-on JPOX methods. version:    $Revision: 1.9 $ Method Summary public  void clear()      Method to clear the cache. public  boolean containsOid(Object oid)      public  void evict(Object oid)      Evict the parameter instance from the second-level cache. public  void evictAll()      Evict the parameter instances from the second-level cache. public  void evictAll(Class pcClass, boolean subclasses)      Evict the parameter instances from the second-level cache. public  void evictAll(Collection oids)      Evict the parameter instances from the second-level cache. public  void evictAll(Object[] oids)      Evict the parameter instances from the second-level cache. public  CachedPC get(Object oid)      public  int getNumberOfPinnedObjects()      public  int getNumberOfUnpinnedObjects()      public  int getSize()      public  boolean isEmpty()      public  void pin(Object oid)      Pin the parameter instance in the second-level cache. public  void pinAll(Class pcClass, boolean subclasses)      Evict the parameter instances from the second-level cache. public  void pinAll(Collection oids)      Pin the parameter instances in the second-level cache. public  void pinAll(Object[] oids)      Pin the parameter instances in the second-level cache. public  CachedPC put(Object oid, CachedPC pc)      public  void unpin(Object oid)      Unpin the parameter instance from the second-level cache. public  void unpinAll(Class pcClass, boolean subclasses)      Unpin instances from the second-level cache. public  void unpinAll(Collection oids)      Unpin the parameter instances from the second-level cache. public  void unpinAll(Object[] oids)      Unpin the parameter instances from the second-level cache. Method Detail clear public void clear()(Code) Method to clear the cache. containsOid public boolean containsOid(Object oid)(Code) Accessor for whether an object with the specified id is in the cache Parameters:   oid - The object id Whether it is in the cache evict public void evict(Object oid)(Code) Evict the parameter instance from the second-level cache. Parameters:   oid - the object id of the instance to evict. evictAll public void evictAll()(Code) Evict the parameter instances from the second-level cache. All instances in the PersistenceManager's cache are evicted from the second-level cache. evictAll public void evictAll(Class pcClass, boolean subclasses)(Code) Evict the parameter instances from the second-level cache. Parameters:   pcClass - the class to evict Parameters:   subclasses - Whether to evict all subclasses of this class also evictAll public void evictAll(Collection oids)(Code) Evict the parameter instances from the second-level cache. Parameters:   oids - the object ids of the instance to evict. evictAll public void evictAll(Object[] oids)(Code) Evict the parameter instances from the second-level cache. Parameters:   oids - the object ids of the instances to evict get public CachedPC get(Object oid)(Code) Accessor for an object from the cache Parameters:   oid - The identity The cacheable object getNumberOfPinnedObjects public int getNumberOfPinnedObjects()(Code) See Also:   org.jpox.cache.Level2Cache.getNumberOfPinnedObjects getNumberOfUnpinnedObjects public int getNumberOfUnpinnedObjects()(Code) See Also:   org.jpox.cache.Level2Cache.getNumberOfUnpinnedObjects getSize public int getSize()(Code) See Also:   org.jpox.cache.Level2Cache.getSize isEmpty public boolean isEmpty()(Code) See Also:   org.jpox.cache.Level2Cache.isEmpty pin public void pin(Object oid)(Code) Pin the parameter instance in the second-level cache. Parameters:   oid - the object id of the instance to pin. pinAll public void pinAll(Class pcClass, boolean subclasses)(Code) Evict the parameter instances from the second-level cache. Parameters:   pcClass - the class of instances to evict Parameters:   subclasses - if true, evict instances of subclasses also pinAll public void pinAll(Collection oids)(Code) Pin the parameter instances in the second-level cache. Parameters:   oids - the object ids of the instances to pin. pinAll public void pinAll(Object[] oids)(Code) Pin the parameter instances in the second-level cache. Parameters:   oids - the object ids of the instances to pin. put public CachedPC put(Object oid, CachedPC pc)(Code) Method to put an object in the L2 cache Parameters:   oid - The identity Parameters:   pc - Cacheable form of the PC Previous value stored for this id unpin public void unpin(Object oid)(Code) Unpin the parameter instance from the second-level cache. Parameters:   oid - the object id of the instance to unpin. unpinAll public void unpinAll(Class pcClass, boolean subclasses)(Code) Unpin instances from the second-level cache. Parameters:   pcClass - the class of instances to unpin Parameters:   subclasses - if true, unpin instances of subclasses also unpinAll public void unpinAll(Collection oids)(Code) Unpin the parameter instances from the second-level cache. Parameters:   oids - the object ids of the instance to evict. unpinAll public void unpinAll(Object[] oids)(Code) Unpin the parameter instances from the second-level cache. Parameters:   oids - the object ids of the instance to evict. 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)