105 lines
3.5 KiB
C#
105 lines
3.5 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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namespace Apache.Qpid.Messaging
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{
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/// <summary>
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/// MessageConsumerBuilder provides a builder with a fluent interface to assist with creating message consumers on a channel.
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///
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/// <p/><table id="crc"><caption>CRC Card</caption>
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/// <tr><th> Responsibilities <th> Collaborations
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/// <tr><td> Create message consumers from consume parameters. <td> <see cref="IChannel">
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/// </table>
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/// </summary>
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///
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/// <remarks>It may be better to replace the Create method with a DeclareBindAndCreate method, that declares and binds the consumers queue,
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/// as well as creating the consumer. This is a common use case, so the method will generally be usefull. Need to consider situations where
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/// the declare and bind is not to be done, for example when resubscribing to a durable subscription. There may be others too.</remarks>
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public class MessageConsumerBuilder
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{
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private bool _noLocal = false;
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private bool _exclusive = false;
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//private bool _durable = false;
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//private string _subscriptionName = null;
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private IChannel _channel;
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private readonly string _queueName;
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private int _prefetchLow;
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private int _prefetchHigh;
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public MessageConsumerBuilder(IChannel channel, string queueName)
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{
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_channel = channel;
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_queueName = queueName;
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_prefetchHigh = _channel.DefaultPrefetchHigh;
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_prefetchLow = _channel.DefaultPrefetchLow;
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}
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public MessageConsumerBuilder WithPrefetchLow(int prefetchLow)
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{
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_prefetchLow = prefetchLow;
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return this;
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}
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public MessageConsumerBuilder WithPrefetchHigh(int prefetchHigh)
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{
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_prefetchHigh = prefetchHigh;
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return this;
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}
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public MessageConsumerBuilder WithNoLocal(bool noLocal)
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{
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_noLocal = noLocal;
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return this;
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}
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public MessageConsumerBuilder WithExclusive(bool exclusive)
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{
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_exclusive = exclusive;
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return this;
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}
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/*
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public MessageConsumerBuilder WithDurable(bool durable)
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{
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_durable = durable;
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return this;
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}
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*/
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/*
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public MessageConsumerBuilder WithSubscriptionName(string subscriptionName)
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{
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_subscriptionName = subscriptionName;
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return this;
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}
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*/
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public IMessageConsumer Create()
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{
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return _channel.CreateConsumer(_queueName, _prefetchLow, _prefetchHigh, _noLocal, _exclusive);
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}
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}
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}
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