Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 113 insertions, 0 deletions

diff --git a/qpid/dotnet/Qpid.Messaging/MessageConsumerBuilder.cs b/qpid/dotnet/Qpid.Messaging/MessageConsumerBuilder.cs
new file mode 100644
index 0000000000..91a2371788
--- /dev/null
+++ b/qpid/dotnet/Qpid.Messaging/MessageConsumerBuilder.cs
@@ -0,0 +1,113 @@
+/*
+ *
+ * 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);
+        }
+    }
+}