001// Copyright 2008, 2010 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.internal.hibernate; 016 017import org.apache.tapestry5.annotations.ImmutableSessionPersistedObject; 018import org.hibernate.Session; 019 020import java.io.Serializable; 021 022/** 023 * Encapsulates a Hibernate entity name with an entity id. 024 */ 025@ImmutableSessionPersistedObject 026public class PersistedEntity implements Serializable 027{ 028 private static final long serialVersionUID = 897120520279686518L; 029 030 private final String entityName; 031 032 private final Serializable id; 033 034 public PersistedEntity(String entityName, Serializable id) 035 { 036 this.entityName = entityName; 037 this.id = id; 038 } 039 040 public Object restore(Session session) 041 { 042 try 043 { 044 return session.get(entityName, id); 045 } 046 catch (Exception ex) 047 { 048 throw new RuntimeException(HibernateMessages.sessionPersistedEntityLoadFailure(entityName, id, ex)); 049 } 050 } 051 052 @Override 053 public String toString() 054 { 055 return String.format("<PersistedEntity: %s(%s)>", entityName, id); 056 } 057}