1 files changed, 35 insertions, 0 deletions
diff --git a/cpp/src/qpid/cluster/MessageId.cpp b/cpp/src/qpid/cluster/MessageId.cpp
new file mode 100644
index 0000000000..fbd248ed69
--- /dev/null
+++ b/cpp/src/qpid/cluster/MessageId.cpp
@@ -0,0 +1,35 @@
+/*
+ *
+ * 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 "MessageId.h"
+#include <ostream>
+
+namespace qpid {
+namespace cluster {
+
+bool operator<(const MessageId& a, const MessageId& b) {
+    return a.member < b.member || ((a.member == b.member) && a.sequence < b.sequence);
+}
+
+std::ostream& operator<<(std::ostream& o, const MessageId& m) {
+    return o << m.member << ":" << m.sequence;
+}
+
+}} // namespace qpid::cluster