com.googlecode.jinahya.persistence

Interface EntityFacade<E,I>

Type Parameters:

E - entity type parameter

I - primary key type parameter

All Known Implementing Classes:

AbstractEntityFacade

public interface EntityFacade<E,I>

Author:

Jin Kwon

Method Summary

Methods

Modifier and Type	Method and Description
E	find(I primaryKey)
E	merge(E entityInstance)
E	persist(E entityInstance)
E	remove(I primaryKey)

Method Detail

find

E find(I primaryKey)

Parameters:

primaryKey - primary key

Returns:

found entity instance or null if not found

persist

E persist(E entityInstance)

Parameters:

entityInstance - entity instance to persist

merge

E merge(E entityInstance)

Parameters:

entityInstance - entity instance to merge

Returns:

the merged instance

remove

E remove(I primaryKey)

Parameters:

primaryKey - primary key

Returns:

removed entity instance or null if not found