er.neo4jadaptor.ersatz

Interface Translator

All Known Implementing Classes:

LuceneTranslator, Neo4JTranslator, NSTranslator

public interface Translator

Performs translation between library specific types and neutral types. Neutral type is the first choice pick for a class for java developer to represent some type. Additionally null represents value being present, but empty. We could say that neutral type is framework agnostic type.

Author:

Jedrzej Sobanski

Method Summary

Modifier and Type	Method and Description
Object	fromNeutralValue(Object neutral, EOAttribute att) Converts neutral value to library specific representation.
Object	toNeutralValue(Object librarySpecific, EOAttribute att) Converts library specific value representation to neutral type.

Method Detail

toNeutralValue

Object toNeutralValue(Object librarySpecific,
                      EOAttribute att)

Converts library specific value representation to neutral type.

Parameters:

librarySpecific - value representation object in some library

att - EO attribute that the given value represents

Returns:

corresponding neutral value

fromNeutralValue

Object fromNeutralValue(Object neutral,
                        EOAttribute att)

Converts neutral value to library specific representation.

Parameters:

neutral - neutral value

att - EO attribute that the given value represents

Returns:

corresponding library-specific value