Implementation of queue.unbind & message.get

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/branches/qpid.0-9@510912 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 69 insertions, 0 deletions

diff --git a/java/common/src/main/java/org/apache/qpid/protocol/RequestToken.java b/java/common/src/main/java/org/apache/qpid/protocol/RequestToken.java
new file mode 100644
index 0000000000..ee274f9f66
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/protocol/RequestToken.java
@@ -0,0 +1,69 @@
+/*
+ *
+ * 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.
+ *
+ */
+package org.apache.qpid.protocol;
+
+import org.apache.qpid.framing.AMQMethodBody;
+
+/**
+ * Allows the context for a request to be passed around, simplying the
+ * task of responding to it.
+ */
+public class RequestToken<M extends AMQMethodBody>
+{
+    private final AMQProtocolWriter _session;
+    private final AMQMethodEvent<M> _request;
+    private final byte _major;
+    private final byte _minor;
+
+    public RequestToken(AMQProtocolWriter session, AMQMethodEvent<M> request, byte major, byte minor)
+    {
+        _session = session;
+        _request = request;
+        _major = major;
+        _minor = minor;
+    }
+
+    /**
+     * Sends a response to the request this token represents.
+     */
+    public void respond(AMQMethodBody response)
+    {
+        _session.writeResponse(_request.getChannelId(), _request.getRequestId(), response);
+    }
+
+    /**
+     * Provides access to the original request
+     */
+    public M getRequest()
+    {
+        return _request.getMethod();
+    }
+
+    public byte getMajor()
+    {
+        return _major;
+    }
+
+    public byte getMinor()
+    {
+        return _minor;
+    }
+}