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 * ClearCallback.java 20 * 21 */ 22 23 package javax.jdo.listener; 24 25 26 /** 27 * This interface is used to notify instances of clear events. 28 * @version 2.0 29 * @since 2.0 30 */ 31 public interface ClearCallback { 32 33 /** 34 * Called before the values in the instance are cleared. 35 * 36 * <P>Transient fields should be cleared in this method. 37 * Associations between this 38 * instance and others in the runtime environment should be cleared. 39 * 40 * <P>This method is not modified by the enhancer. 41 */ 42 void jdoPreClear(); 43 }