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.memory; 21 22 23 import java.util.List; 24 25 import org.apache.directory.mavibot.btree.AbstractDeleteResult; 26 import org.apache.directory.mavibot.btree.Page; 27 import org.apache.directory.mavibot.btree.Tuple; 28 29 30 /** 31 * The result of a delete operation, when the child has not been merged. It contains the 32 * reference to the modified page, and the removed element. 33 * 34 * @param <K> The type for the Key 35 * @param <V> The type for the stored value 36 * 37 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 38 */ 39 /* No qualifier */class MergedWithSiblingResult<K, V> extends AbstractDeleteResult<K, V> 40 { 41 /** 42 * The default constructor for RemoveResult. 43 * 44 * @param modifiedPage The modified page 45 * @param removedElement The removed element (can be null if the key wasn't present in the tree) 46 */ 47 /* No qualifier */MergedWithSiblingResult( Page<K, V> modifiedPage, Tuple<K, V> removedElement ) 48 { 49 super( modifiedPage, removedElement ); 50 } 51 52 53 /** 54 * A constructor for RemoveResult which takes a list of copied page. 55 * 56 * @param copiedPages the list of copied pages 57 * @param modifiedPage The modified page 58 * @param removedElement The removed element (can be null if the key wasn't present in the tree) 59 */ 60 /* No qualifier */MergedWithSiblingResult( List<Page<K, V>> copiedPages, Page<K, V> modifiedPage, 61 Tuple<K, V> removedElement ) 62 { 63 super( copiedPages, modifiedPage, removedElement ); 64 } 65 66 67 /** 68 * @see Object#toString() 69 */ 70 public String toString() 71 { 72 StringBuilder sb = new StringBuilder(); 73 74 sb.append( "MergedWithSiblingResult" ); 75 sb.append( "\n removed element : " ).append( getRemovedElement() ); 76 sb.append( "\n modifiedPage : " ).append( getModifiedPage() ); 77 78 return sb.toString(); 79 } 80 }