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)

Field Summary

Fields

Modifier and Type	Field and Description
protected static com.google.common.base.Function<TopiaEntity,String>	GET_TOPIA_ID Guava's Function to get a topiaId from any TopiaEntity

Constructor Summary

Constructors

Constructor and Description
TopiaEntities()

Method Summary

Methods

Modifier and Type	Method and Description
static com.google.common.base.Predicate<TopiaEntity>	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 com.google.common.base.Function<TopiaEntity,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

Field Detail

GET_TOPIA_ID

protected static final com.google.common.base.Function<TopiaEntity,String> GET_TOPIA_ID

Guava's Function to get a topiaId from any TopiaEntity

Constructor Detail

TopiaEntities

public TopiaEntities()

Method Detail

entityHasId

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

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

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 com.google.common.base.Function<TopiaEntity,String> getTopiaIdFunction()

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

Since:

2.6.12