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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  /*
    19   * DetachCallback.java
    20   *
    21   */
    22
    23  package javax.jdo.listener;
    24
    25  /**
    26   * This interface is used to notify instances of detach events.
    27   * @version 2.0
    28   * @since 2.0
    29   */
    30  public interface DetachCallback {
    31
    32      /**
    33       * This method is called during the execution of
    34       * {@link javax.jdo.PersistenceManager#detachCopy} on the
    35       * persistent instance before the copy is made.
    36       * @since 2.0
    37       */
    38      public void jdoPreDetach();
    39
    40      /**
    41       * This method is called during the execution of
    42       * {@link javax.jdo.PersistenceManager#detachCopy} on the
    43       * detached instance after the copy is made.
    44       * @param detached The corresponding (attached) persistent instance.
    45       * @since 2.0
    46       */
    47      public void jdoPostDetach(Object detached);
    48  }