001    package org.apache.ojb.otm.states;
002    
003    /* Copyright 2003-2005 The Apache Software Foundation
004     *
005     * Licensed under the Apache License, Version 2.0 (the "License");
006     * you may not use this file except in compliance with the License.
007     * You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    /**
019     * this state represents new objects not made persistent yet
020     * (ODMG StateNewClean) and already deleted objects.
021     */
022    public class Transient extends State
023    {
024    
025        Transient()
026        {
027        }
028    
029        /**
030         * return a String representation
031         */
032        public String toString()
033        {
034            return "Transient";
035        }
036    
037        //-------------- State transitions --------------------
038    
039        /**
040         * Describes the state transition on makePersistent()
041         */
042        public State makePersistent()
043                throws IllegalObjectStateException
044        {
045            return State.PERSISTENT_NEW;
046        }
047    
048        public State rollback()
049                throws IllegalObjectStateException
050        {
051            return this;
052        }
053    }