org.ehcache.spi.copy

Interface Copier<T>

Type Parameters:

T - the type of the instance to copy

All Known Implementing Classes:

IdentityCopier, ReadWriteCopier, SerializingCopier

public interface Copier<T>

Defines the contract used to copy type instances.

The copied object's class must be preserved. The following must always be true:

object.getClass().equals( myCopier.copyForRead(object).getClass() ) object.getClass().equals( myCopier.copyForWrite(object).getClass() )

Method Summary

Modifier and Type	Method and Description
T	copyForRead(T obj) Creates a copy of the instance passed in.
T	copyForWrite(T obj) Creates a copy of the instance passed in.

Method Detail

copyForRead

T copyForRead(T obj)

Creates a copy of the instance passed in.

This method is invoked as a value is read from the cache.

Parameters:

obj - the instance to copy

Returns:

the copy of the obj instance

copyForWrite

T copyForWrite(T obj)

Creates a copy of the instance passed in.

This method is invoked as a value is written to the cache.

Parameters:

obj - the instance to copy

Returns:

the copy of the obj instance