1 files changed, 70 insertions, 0 deletions
diff --git a/qpid/java/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/replication/TestStateChangeListener.java b/qpid/java/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/replication/TestStateChangeListener.java
new file mode 100644
index 0000000000..0870191b35
--- /dev/null
+++ b/qpid/java/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/replication/TestStateChangeListener.java
@@ -0,0 +1,70 @@
+/*
+ *
+ * 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.
+ *
+ */
+package org.apache.qpid.server.store.berkeleydb.replication;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+import com.sleepycat.je.rep.ReplicatedEnvironment.State;
+import com.sleepycat.je.rep.StateChangeEvent;
+import com.sleepycat.je.rep.StateChangeListener;
+
+class TestStateChangeListener implements StateChangeListener
+{
+    private final Set<State> _expectedStates;
+    private final CountDownLatch _latch;
+    private final AtomicReference<State> _currentActualState = new AtomicReference<State>();
+
+    public TestStateChangeListener(State expectedState)
+    {
+        this(Collections.singleton(expectedState));
+    }
+
+    public TestStateChangeListener(Set<State> expectedStates)
+    {
+        _expectedStates = new HashSet<State>(expectedStates);
+        _latch = new CountDownLatch(1);
+    }
+
+    @Override
+    public void stateChange(StateChangeEvent stateChangeEvent) throws RuntimeException
+    {
+        _currentActualState.set(stateChangeEvent.getState());
+        if (_expectedStates.contains(stateChangeEvent.getState()))
+        {
+            _latch.countDown();
+        }
+    }
+
+    public boolean awaitForStateChange(long timeout, TimeUnit timeUnit) throws InterruptedException
+    {
+        return _latch.await(timeout, timeUnit);
+    }
+
+    public State getCurrentActualState()
+    {
+        return _currentActualState.get();
+    }
+}
+\ No newline at end of file