org.springframework.samples.petclinic.util
Class EntityUtils

java.lang.Object
  org.springframework.samples.petclinic.util.EntityUtils

public abstract class EntityUtils
extends java.lang.Object

Utility methods for handling entities. Separate from the BaseEntity class mainly because of dependency on the ORM-associated ObjectRetrievalFailureException.

Since:

29.10.2003

Author:

Juergen Hoeller, Sam Brannen

See Also:

BaseEntity

Constructor Summary

EntityUtils()

Method Summary

static <T extends BaseEntity> T

getById(java.util.Collection<T> entities, java.lang.Class<T> entityClass, int entityId) Look up the entity of the given class with the given id in the given collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityUtils

public EntityUtils()

Method Detail

getById

public static <T extends BaseEntity> T getById(java.util.Collection<T> entities,
                                               java.lang.Class<T> entityClass,
                                               int entityId)
                                    throws org.springframework.orm.ObjectRetrievalFailureException

Look up the entity of the given class with the given id in the given collection.

Parameters:

entities - the collection to search

entityClass - the entity class to look up

entityId - the entity id to look up

Returns:

the found entity

Throws:

org.springframework.orm.ObjectRetrievalFailureException - if the entity was not found