62 lines
1.6 KiB
C#
62 lines
1.6 KiB
C#
/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Threading ;
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namespace org.apache.qpid.console
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{
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/**
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* Holds state during asynchronous calls to the broker.
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*/
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public class SequenceManager
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{
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long sequence = 0 ;
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Dictionary<long, Object> pending = new Dictionary<long, Object>() ;
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Object lockObject = new Object() ;
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public SequenceManager()
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{
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}
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public long Reserve(Object data) {
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long returnValue = 0 ;
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lock(lockObject) {
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returnValue = sequence ;
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sequence += 1 ;
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pending.Add(returnValue, data) ;
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}
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return returnValue;
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}
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public Object Release(long seq) {
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Object returnValue = null ;
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lock(lockObject) {
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returnValue = pending[seq] ;
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pending.Remove(seq) ;
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}
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return returnValue ;
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}
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}
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}
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