1 files changed, 93 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/cluster/ExpiryPolicy.h b/qpid/cpp/src/qpid/cluster/ExpiryPolicy.h
new file mode 100644
index 0000000000..77a656aa68
--- /dev/null
+++ b/qpid/cpp/src/qpid/cluster/ExpiryPolicy.h
@@ -0,0 +1,93 @@
+#ifndef QPID_CLUSTER_EXPIRYPOLICY_H
+#define QPID_CLUSTER_EXPIRYPOLICY_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.
+ *
+ */
+
+#include "qpid/cluster/types.h"
+#include "qpid/broker/ExpiryPolicy.h"
+#include "qpid/sys/Mutex.h"
+#include <boost/function.hpp>
+#include <boost/intrusive_ptr.hpp>
+#include <boost/optional.hpp>
+#include <map>
+
+namespace qpid {
+
+namespace broker {
+class Message;
+}
+
+namespace sys {
+class Timer;
+}
+
+namespace cluster {
+class Multicaster;
+
+/**
+ * Cluster expiry policy
+ */
+class ExpiryPolicy : public broker::ExpiryPolicy
+{
+  public:
+    ExpiryPolicy(Multicaster&, const MemberId&, sys::Timer&);
+
+    void willExpire(broker::Message&);
+    bool hasExpired(broker::Message&);
+    void forget(broker::Message&);
+
+    // Send expiration notice to cluster.
+    void sendExpire(uint64_t);
+
+    // Cluster delivers expiry notice.
+    void deliverExpire(uint64_t);
+
+    void setId(uint64_t id);
+    uint64_t getId() const;
+    
+    boost::optional<uint64_t> getId(broker::Message&);
+    
+  private:
+    typedef std::map<broker::Message*,  uint64_t> MessageIdMap;
+    // When messages are fanned out to multiple queues, update sends
+    // them as independenty messages so we can have multiple messages
+    // with the same expiry ID.
+    typedef std::multimap<uint64_t, broker::Message*> IdMessageMap;
+
+    struct Expired : public broker::ExpiryPolicy {
+        bool hasExpired(broker::Message&);
+        void willExpire(broker::Message&);
+    };
+
+    mutable sys::Mutex lock;
+    MessageIdMap unexpiredByMessage;
+    IdMessageMap unexpiredById;
+    uint64_t expiryId;
+    boost::intrusive_ptr<Expired> expiredPolicy;
+    Multicaster& mcast;
+    MemberId memberId;
+    sys::Timer& timer;
+};
+
+}} // namespace qpid::cluster
+
+#endif  /*!QPID_CLUSTER_EXPIRYPOLICY_H*/