1 files changed, 68 insertions, 0 deletions
diff --git a/java/perftests/src/main/java/org/apache/qpid/disttest/client/property/GeneratedPropertySupport.java b/java/perftests/src/main/java/org/apache/qpid/disttest/client/property/GeneratedPropertySupport.java
new file mode 100644
index 0000000000..a49ebf756e
--- /dev/null
+++ b/java/perftests/src/main/java/org/apache/qpid/disttest/client/property/GeneratedPropertySupport.java
@@ -0,0 +1,68 @@
+/*
+ * 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.disttest.client.property;
+
+/**
+ * Provides support to generate message property values.
+ */
+public abstract class GeneratedPropertySupport implements GeneratedPropertyValue
+{
+    private Object _lastValue;
+
+    public GeneratedPropertySupport()
+    {
+        super();
+        _lastValue = null;
+    }
+
+    @Override
+    public Object getValue()
+    {
+        Object result = nextValue();
+        result = evaluate(result);
+        synchronized(this)
+        {
+            _lastValue = result;
+        }
+        return result;
+    }
+
+    protected Object evaluate(Object result)
+    {
+        while (result instanceof PropertyValue)
+        {
+            result = ((PropertyValue)result).getValue();
+        }
+        return result;
+    }
+
+    public abstract Object nextValue();
+
+    public synchronized Object getLastValue()
+    {
+        return _lastValue;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "GeneratedPropertyValue [value=" + getLastValue() + ", @def=" + getDefinition() + "]";
+    }
+
+}