001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 package org.apache.directory.server.core.subtree; 021 022 023 import java.util.HashMap; 024 import java.util.Iterator; 025 import java.util.Map; 026 027 import org.apache.directory.shared.ldap.subtree.SubtreeSpecification; 028 029 030 /** 031 * A cache for subtree specifications. 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 * @version $Rev$ 035 */ 036 public class SubentryCache 037 { 038 private final Map<String, Subentry> name2subentry = new HashMap<String, Subentry>(); 039 040 041 final Subentry getSubentry( String normalizedName ) 042 { 043 return name2subentry.get( normalizedName ); 044 } 045 046 047 final Subentry removeSubentry( String normalizedName ) 048 { 049 return name2subentry.remove( normalizedName ); 050 } 051 052 053 final Subentry setSubentry( String normalizedName, SubtreeSpecification ss, int types ) 054 { 055 Subentry old = name2subentry.get( normalizedName ); 056 Subentry subentry = new Subentry(); 057 subentry.setSubtreeSpecification( ss ); 058 subentry.setTypes( types ); 059 name2subentry.put( normalizedName, subentry ); 060 return old; 061 } 062 063 064 final boolean hasSubentry( String normalizedName ) 065 { 066 return name2subentry.containsKey( normalizedName ); 067 } 068 069 070 final Iterator<String> nameIterator() 071 { 072 return name2subentry.keySet().iterator(); 073 } 074 }