1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.mavibot.btree; 21 22 23 import java.util.List; 24 25 26 /** 27 * An abstract class to gather common elements of the DeleteResult 28 * 29 * @param <K> The type for the Key 30 * @param <V> The type for the stored value 31 * 32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 33 */ 34 /* No qualifier*/abstract class AbstractDeleteResult<K, V> extends AbstractResult<K, V> implements 35 DeleteResult<K, V> 36 { 37 /** The modified page reference */ 38 private Page<K, V> modifiedPage; 39 40 /** The removed element if the key was found in the tree*/ 41 private Tuple<K, V> removedElement; 42 43 44 /** 45 * The default constructor for AbstractDeleteResult. 46 * 47 * @param modifiedPage The modified page 48 * @param removedElement The removed element (can be null if the key wasn't present in the tree) 49 */ 50 /*no qualifier*/AbstractDeleteResult( Page<K, V> modifiedPage, Tuple<K, V> removedElement ) 51 { 52 super(); 53 this.modifiedPage = modifiedPage; 54 this.removedElement = removedElement; 55 } 56 57 58 /** 59 * The default constructor for AbstractDeleteResult. 60 * 61 * @param copiedPages the list of copied pages 62 * @param modifiedPage The modified page 63 * @param removedElement The removed element (can be null if the key wasn't present in the tree) 64 */ 65 /*no qualifier*/AbstractDeleteResult( List<Page<K, V>> copiedPages, Page<K, V> modifiedPage, 66 Tuple<K, V> removedElement ) 67 { 68 super( copiedPages ); 69 this.modifiedPage = modifiedPage; 70 this.removedElement = removedElement; 71 } 72 73 74 /** 75 * {@inheritDoc} 76 */ 77 public Page<K, V> getModifiedPage() 78 { 79 return modifiedPage; 80 } 81 82 83 /** 84 * {@inheritDoc} 85 */ 86 public Tuple<K, V> getRemovedElement() 87 { 88 return removedElement; 89 } 90 91 92 /** 93 * @param modifiedPage the modifiedPage to set 94 */ 95 /*no qualifier*/void setModifiedPage( Page<K, V> modifiedPage ) 96 { 97 this.modifiedPage = modifiedPage; 98 } 99 }