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 /** 24 * A Page holder. It stores the page and provide a way to access it. 25 * 26 * @param <K> The type of the BTree key 27 * @param <V> The type of the BTree value 28 * 29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 30 */ 31 /* No qualifier*/class PageHolder<K, V> 32 { 33 /** The BTree */ 34 protected BTree<K, V> btree; 35 36 /** The stored page */ 37 private Page<K, V> page; 38 39 40 /** 41 * Create a new holder storing an offset and a SoftReference containing the element. 42 * 43 * @param btree The associated BTree 44 * @param page The element to store into a SoftReference 45 **/ 46 /* no qualifier */PageHolder( BTree<K, V> btree, Page<K, V> page ) 47 { 48 this.btree = btree; 49 this.page = page; 50 } 51 52 53 /** 54 * @return the stored page 55 */ 56 /* no qualifier */Page<K, V> getValue() 57 { 58 return page; 59 } 60 }