org.apache.ojb.broker.cache
Class ObjectCacheTwoLevelImpl.CopyStrategyImpl

java.lang.Object
  org.apache.ojb.broker.cache.ObjectCacheTwoLevelImpl.CopyStrategyImpl

All Implemented Interfaces:

ObjectCacheTwoLevelImpl.CopyStrategy

Enclosing class:

ObjectCacheTwoLevelImpl

public static class ObjectCacheTwoLevelImpl.CopyStrategyImpl

extends java.lang.Object

implements ObjectCacheTwoLevelImpl.CopyStrategy

Constructor Summary

ObjectCacheTwoLevelImpl.CopyStrategyImpl()

Method Summary

java.lang.Object	read(PersistenceBroker broker, java.lang.Object obj) Called when an object is read from the application cache (second level cache) before the object is full materialized, see ObjectCacheTwoLevelImpl.materializeFullObject(Object).
java.lang.Object	write(PersistenceBroker broker, java.lang.Object obj, java.lang.Object oldObject) Called before an object is written to the application cache (second level cache).

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectCacheTwoLevelImpl.CopyStrategyImpl

public ObjectCacheTwoLevelImpl.CopyStrategyImpl()

Method Detail

read

public java.lang.Object read(PersistenceBroker broker,
                             java.lang.Object obj)

Description copied from interface: ObjectCacheTwoLevelImpl.CopyStrategy

Called when an object is read from the application cache (second level cache) before the object is full materialized, see ObjectCacheTwoLevelImpl.materializeFullObject(Object).

Specified by:

read in interface ObjectCacheTwoLevelImpl.CopyStrategy

Parameters:

broker - The current used PersistenceBroker instance.

obj - The object read from the application cache.

Returns:

A copy of the object.

write

public java.lang.Object write(PersistenceBroker broker,
                              java.lang.Object obj,
                              java.lang.Object oldObject)

Description copied from interface: ObjectCacheTwoLevelImpl.CopyStrategy

Called before an object is written to the application cache (second level cache).

Specified by:

write in interface ObjectCacheTwoLevelImpl.CopyStrategy

Parameters:

broker - The current used PersistenceBroker instance.

obj - The object to cache in application cache.

oldObject - The old cache object or null

Returns:

A copy of the object to write to application cache.