1 files changed, 58 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/Consumer.h b/qpid/cpp/src/qpid/broker/Consumer.h
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+++ b/qpid/cpp/src/qpid/broker/Consumer.h
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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.
+ *
+ */
+#ifndef _Consumer_
+#define _Consumer_
+
+#include "qpid/broker/Message.h"
+#include "qpid/broker/QueuedMessage.h"
+#include "qpid/broker/OwnershipToken.h"
+
+namespace qpid {
+namespace broker {
+
+class Queue;
+class QueueListeners;
+
+class Consumer {
+    const bool acquires;
+    // inListeners allows QueueListeners to efficiently track if this instance is registered
+    // for notifications without having to search its containers
+    bool inListeners;
+  public:
+    typedef boost::shared_ptr<Consumer> shared_ptr;            
+    
+    framing::SequenceNumber position;
+    
+    Consumer(bool preAcquires = true) : acquires(preAcquires), inListeners(false) {}
+    bool preAcquires() const { return acquires; }
+    virtual bool deliver(QueuedMessage& msg) = 0;
+    virtual void notify() = 0;
+    virtual bool filter(boost::intrusive_ptr<Message>) { return true; }
+    virtual bool accept(boost::intrusive_ptr<Message>) { return true; }
+    virtual OwnershipToken* getSession() = 0;
+    virtual ~Consumer(){}
+    friend class QueueListeners;
+};
+
+}}
+
+
+#endif