DeleteCallback.java :  » GWT » gwtx » javax » jdo » listener » Java Open Source

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gwtx » javax » jdo » listener » DeleteCallback.java
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */

/*
 * DeleteCallback.java
 *
 */
 
package javax.jdo.listener;


/** 
 * This interface is used to notify instances of delete events.
 * @version 2.0
 * @since 2.0
 */
public interface DeleteCallback
{
    /**
     * Called before the instance is deleted.
     * This method is called before the state transition to persistent-deleted 
     * or persistent-new-deleted. Access to field values within this call 
     * are valid. Access to field values after this call are disallowed. 
     * <P>This method is modified by the enhancer so that fields referenced 
     * can be used in the business logic of the method.
     */
    void jdoPreDelete();
}
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