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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
namespace Apache.Qpid.Messaging
{
/// <summary>
/// MessageConsumerBuilder provides a builder with a fluent interface to assist with creating message consumers on a channel.
///
/// <p/><table id="crc"><caption>CRC Card</caption>
/// <tr><th> Responsibilities <th> Collaborations
/// <tr><td> Create message consumers from consume parameters. <td> <see cref="IChannel">
/// </table>
/// </summary>
///
/// <remarks>It may be better to replace the Create method with a DeclareBindAndCreate method, that declares and binds the consumers queue,
/// as well as creating the consumer. This is a common use case, so the method will generally be usefull. Need to consider situations where
/// the declare and bind is not to be done, for example when resubscribing to a durable subscription. There may be others too.</remarks>
public class MessageConsumerBuilder
{
private bool _noLocal = false;
private bool _exclusive = false;
private bool _browse = false;
//private bool _durable = false;
//private string _subscriptionName = null;
private IChannel _channel;
private readonly string _queueName;
private int _prefetchLow;
private int _prefetchHigh;
public MessageConsumerBuilder(IChannel channel, string queueName)
{
_channel = channel;
_queueName = queueName;
_prefetchHigh = _channel.DefaultPrefetchHigh;
_prefetchLow = _channel.DefaultPrefetchLow;
}
public MessageConsumerBuilder WithPrefetchLow(int prefetchLow)
{
_prefetchLow = prefetchLow;
return this;
}
public MessageConsumerBuilder WithPrefetchHigh(int prefetchHigh)
{
_prefetchHigh = prefetchHigh;
return this;
}
public MessageConsumerBuilder WithNoLocal(bool noLocal)
{
_noLocal = noLocal;
return this;
}
public MessageConsumerBuilder WithExclusive(bool exclusive)
{
_exclusive = exclusive;
return this;
}
public MessageConsumerBuilder WithBrowse(bool browse)
{
_browse = browse;
return this;
}
/*
public MessageConsumerBuilder WithDurable(bool durable)
{
_durable = durable;
return this;
}
*/
/*
public MessageConsumerBuilder WithSubscriptionName(string subscriptionName)
{
_subscriptionName = subscriptionName;
return this;
}
*/
public IMessageConsumer Create()
{
return _channel.CreateConsumer(_queueName, _prefetchLow, _prefetchHigh, _noLocal, _exclusive, _browse);
}
}
}
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