org.apache.ode.jacob.soup

Interface ReplacementMap

public interface ReplacementMap

Mapping used by the JACOB soup to replace large objects with (hopefully) smaller objets during the serialization process. This can be used for objects that are immutable during the lifetime of the JACOB VPU.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	getOriginal(java.lang.Object replacement) Get the original object for a given replacement object.
java.lang.Object	getReplacement(java.lang.Object original) Get a replacement object for a given "original" object.
boolean	isReplaceable(java.lang.Object obj) Determine whether the given object is an object for which a replacement can be obtained.
boolean	isReplacement(java.lang.Object obj) Determine whether the given object is a replacement object obtained from this map.

Method Detail

isReplacement

boolean isReplacement(java.lang.Object obj)

Determine whether the given object is a replacement object obtained from this map.

Parameters:

obj - object to test

Returns:

true if this getReplacement(Object) returned this object, false otherwise

getOriginal

java.lang.Object getOriginal(java.lang.Object replacement)
                             throws java.lang.IllegalArgumentException

Get the original object for a given replacement object.

Parameters:

replacement -

Returns:

the original for the given replacement

Throws:

java.lang.IllegalArgumentException - if the given object is not a replacement object

getReplacement

java.lang.Object getReplacement(java.lang.Object original)
                                throws java.lang.IllegalArgumentException

Get a replacement object for a given "original" object.

Parameters:

original - "original" object

Returns:

replacement object

Throws:

java.lang.IllegalArgumentException - if the map cannot generate a replacement for the object

isReplaceable

boolean isReplaceable(java.lang.Object obj)

Determine whether the given object is an object for which a replacement can be obtained.

Parameters:

obj - object to test

Returns:

true if the call to getReplacement(Object) will succeed, false otherwise