org.nuiton.topia.persistence

Class TopiaEntities

java.lang.Object

org.nuiton.topia.persistence.TopiaEntities

public class TopiaEntities
extends Object

Utility class that provides useful methods for TopiaEntity manipulation.

Since:

3.0

Author:

Brendan Le Ny : leny@codelutin.com, Arnaud Thimel (Code Lutin)

Constructor Summary

Constructors

Constructor and Description
TopiaEntities()

Method Summary

Modifier and Type	Method and Description
static <E extends TopiaEntity> com.google.common.base.Predicate<E>	entityHasId(String id) Creates a Guava's Predicate which tests if a TopiaEntity has the given topiaId
static <E extends TopiaEntity> E	findByTopiaId(Iterable<E> entities, String id) Iterate over the given Iterable looking for a TopiaEntity having the given topiaId.
static <E extends TopiaEntity> com.google.common.base.Function<E,String>	getTopiaIdFunction() Function to obtain TopiaEntity.getTopiaId() from any entity.

Methods inherited from class java.lang.Object

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

Constructor Detail

TopiaEntities

public TopiaEntities()

Method Detail

entityHasId

public static <E extends TopiaEntity> com.google.common.base.Predicate<E> entityHasId(String id)

Creates a Guava's Predicate which tests if a TopiaEntity has the given topiaId

Type Parameters:

E - type of entity

Parameters:

id - the expected topiaId

Returns:

the created Predicate

findByTopiaId

public static <E extends TopiaEntity> E findByTopiaId(Iterable<E> entities,
                                                      String id)

Iterate over the given Iterable looking for a TopiaEntity having the given topiaId.

Type Parameters:

E - the type of TopiaEntity of the given Iterable

Parameters:

entities - the Iterable instance to iterate through

id - the expected topiaId

Returns:

the found TopiaEntity or null

getTopiaIdFunction

public static <E extends TopiaEntity> com.google.common.base.Function<E,String> getTopiaIdFunction()

Function to obtain TopiaEntity.getTopiaId() from any entity.

Type Parameters:

E - type of entity

Returns:

FIXME

Since:

2.6.12