/*
 * 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
 *
 *     https://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.
 */

/*
 * DeleteLifecycleListener.java
 *
 */

package javax.jdo.listener;

/**
 * This interface is implemented by listeners to be notified of delete events.
 *
 * @version 2.0
 * @since 2.0
 */
public interface DeleteLifecycleListener extends InstanceLifecycleListener {

  /**
   * Invoked whenever a persistent instance is deleted, for example during {@link
   * javax.jdo.PersistenceManager#deletePersistent}. Access to field values within this call are
   * permitted.
   *
   * <p>This method is called before the instance callback {@link DeleteCallback#jdoPreDelete}.
   *
   * @param event the delete event.
   * @since 2.0
   */
  void preDelete(InstanceLifecycleEvent event);

  /**
   * Invoked whenever a persistent instance is deleted, for example during {@link
   * javax.jdo.PersistenceManager#deletePersistent}.
   *
   * <p>This method is called after the instance transitions to persistent-deleted. Access to field
   * values is not permitted.
   *
   * @param event the delete event.
   * @since 2.0
   */
  void postDelete(InstanceLifecycleEvent event);
}