1 files changed, 66 insertions, 0 deletions
diff --git a/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ConsumerCounts.java b/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ConsumerCounts.java
new file mode 100644
index 0000000000..7ba51108f5
--- /dev/null
+++ b/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ConsumerCounts.java
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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.server.cluster.replay;
+
+import org.apache.qpid.framing.AMQMethodBody;
+import org.apache.qpid.framing.BasicConsumeBody;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.List;
+
+class ConsumerCounts
+{
+    private final Map<String, Integer> _counts = new HashMap<String, Integer>();
+
+    synchronized void increment(String queue)
+    {
+        _counts.put(queue, get(queue) + 1);
+    }
+
+   synchronized void decrement(String queue)
+    {
+        _counts.put(queue,  get(queue) - 1);
+    }
+
+    private int get(String queue)
+    {
+        Integer count = _counts.get(queue);
+        return count == null ? 0 : count;
+    }
+
+    synchronized void replay(List<AMQMethodBody> messages)
+    {
+        for(String queue : _counts.keySet())
+        {
+            BasicConsumeBody m = new BasicConsumeBody();
+            m.queue = queue;
+            m.consumerTag = queue;
+            replay(m, messages);
+        }
+    }
+
+    private void replay(BasicConsumeBody msg, List<AMQMethodBody> messages)
+    {
+        int count = _counts.get(msg.queue);
+        for(int i = 0; i < count; i++)
+        {
+            messages.add(msg);
+        }
+    }
+}