1 files changed, 58 insertions, 0 deletions
diff --git a/cpp/src/qpid/broker/FifoDistributor.h b/cpp/src/qpid/broker/FifoDistributor.h
new file mode 100644
index 0000000000..245537ed12
--- /dev/null
+++ b/cpp/src/qpid/broker/FifoDistributor.h
@@ -0,0 +1,58 @@
+#ifndef _broker_FifoDistributor_h
+#define _broker_FifoDistributor_h
+
+/*
+ *
+ * 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.
+ *
+ */
+
+/** Simple MessageDistributor for FIFO Queues - the HEAD message is always the next
+ * available message for consumption.
+ */
+
+#include "qpid/broker/MessageDistributor.h"
+
+namespace qpid {
+namespace broker {
+
+class Messages;
+
+class FifoDistributor : public MessageDistributor
+{
+ public:
+    FifoDistributor(Messages& container);
+
+    /** Locking Note: all methods assume the caller is holding the Queue::messageLock
+     * during the method call.
+     */
+
+    /** MessageDistributor interface */
+
+    bool nextConsumableMessage( Consumer::shared_ptr& consumer, QueuedMessage& next );
+    bool allocate(const std::string& consumer, const QueuedMessage& target);
+    bool nextBrowsableMessage( Consumer::shared_ptr& consumer, QueuedMessage& next );
+    void query(qpid::types::Variant::Map&) const;
+
+ private:
+    Messages& messages;
+};
+
+}}
+
+#endif