1 files changed, 64 insertions, 0 deletions
diff --git a/cpp/src/qpid/broker/Lvq.cpp b/cpp/src/qpid/broker/Lvq.cpp
new file mode 100644
index 0000000000..d053616c8a
--- /dev/null
+++ b/cpp/src/qpid/broker/Lvq.cpp
@@ -0,0 +1,64 @@
+/*
+ *
+ * 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 "Lvq.h"
+#include "MessageMap.h"
+#include "qpid/sys/ClusterSafe.h"
+#include "qpid/sys/Monitor.h"
+
+namespace qpid {
+namespace broker {
+Lvq::Lvq(const std::string& n, std::auto_ptr<MessageMap> m, const QueueSettings& s, MessageStore* const ms, management::Manageable* p, Broker* b)
+    : Queue(n, s, ms, p, b), messageMap(*m)
+{
+    messages = m;
+}
+
+void Lvq::push(Message& message, bool isRecovery)
+{
+    qpid::sys::assertClusterSafe();
+    QueueListeners::NotificationSet copy;
+    Message old;
+    bool removed;
+    {
+        qpid::sys::Mutex::ScopedLock locker(messageLock);
+        message.setSequence(++sequence);
+        removed = messageMap.update(message, old);
+        listeners.populate(copy);
+        observeEnqueue(message, locker);
+        if (removed) {
+            if (mgmtObject) {
+                mgmtObject->inc_acquires();
+                mgmtObject->inc_discardsLvq();
+                if (brokerMgmtObject) {
+                    brokerMgmtObject->inc_acquires();
+                    brokerMgmtObject->inc_discardsLvq();
+                }
+            }
+            observeDequeue(old, locker);
+        }
+    }
+    copy.notify();
+    if (removed) {
+        if (isRecovery) pendingDequeues.push_back(old);
+        else dequeueFromStore(old.getPersistentContext());//do outside of lock
+    }
+}
+}} // namespace qpid::broker