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.partition.avl; 021 022 023 import java.util.Comparator; 024 import java.util.Properties; 025 import java.util.concurrent.atomic.AtomicLong; 026 027 import org.apache.directory.server.xdbm.MasterTable; 028 029 030 /** 031 * TODO Make it so the master table does not extend table interface - not needed 032 * with this single use of delete so we should just use containment. 033 * 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 * @version $Rev$, $Date$ 036 */ 037 public class AvlMasterTable<E> extends AvlTable<Long, E> implements MasterTable<E> 038 { 039 private Properties props = new Properties(); 040 private AtomicLong counter = new AtomicLong( 0 ); 041 042 043 public AvlMasterTable( String name, Comparator<Long> keyComparator, Comparator<E> valComparator, 044 boolean dupsEnabled ) 045 { 046 super( name, keyComparator, valComparator, dupsEnabled ); 047 } 048 049 050 public void delete( Long id ) throws Exception 051 { 052 super.remove( id ); 053 } 054 055 056 public Long getCurrentId() throws Exception 057 { 058 return counter.longValue(); 059 } 060 061 public Long getNextId() throws Exception 062 { 063 return counter.incrementAndGet(); 064 } 065 066 067 public String getProperty( String property ) throws Exception 068 { 069 return props.getProperty( property ); 070 } 071 072 073 public void setProperty( String property, String value ) throws Exception 074 { 075 props.setProperty( property, value ); 076 } 077 }