1 files changed, 45 insertions, 0 deletions
diff --git a/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ChainedMethodRecorder.java b/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ChainedMethodRecorder.java
new file mode 100644
index 0000000000..cbbc8679a8
--- /dev/null
+++ b/java/cluster/src/main/java/org/apache/qpid/server/cluster/replay/ChainedMethodRecorder.java
@@ -0,0 +1,45 @@
+/*
+ *
+ * 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;
+
+abstract class ChainedMethodRecorder <T extends AMQMethodBody> implements MethodRecorder<T>
+{
+    private final MethodRecorder<T> _recorder;
+
+    ChainedMethodRecorder()
+    {
+        this(null);
+    }
+
+    ChainedMethodRecorder(MethodRecorder<T> recorder)
+    {
+        _recorder = recorder;
+    }
+
+    public final void record(T method)
+    {
+        if(!doRecord(method) && _recorder != null)
+        {
+            _recorder.record(method);
+        }
+    }
+
+    protected abstract boolean doRecord(T method);
+}