1 files changed, 66 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigProperty.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigProperty.java
new file mode 100644
index 0000000000..2d88ba00a0
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigProperty.java
@@ -0,0 +1,66 @@
+/*
+ *
+ * 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.configuration;
+
+public interface ConfigProperty<T extends ConfigObjectType<T,C>, C extends ConfiguredObject<T,C>,  S>
+{
+    public String getName();
+
+    public S getValue(C object);
+
+    public void setValue(C object, S value);
+
+    public void clearValue(C object);
+
+    public abstract static class ReadWriteConfigProperty<T extends ConfigObjectType<T,C>, C extends ConfiguredObject<T,C>,S> implements ConfigProperty<T, C, S>
+    {
+        private final String _name;
+
+        protected ReadWriteConfigProperty(String name)
+        {
+            _name = name;
+        }
+
+        public final String getName()
+        {
+            return _name;
+        }
+    }
+
+    public abstract static class ReadOnlyConfigProperty<T extends ConfigObjectType<T,C>, C extends ConfiguredObject<T,C>, S> extends ReadWriteConfigProperty<T, C, S>
+    {
+        protected ReadOnlyConfigProperty(String name)
+        {
+            super(name);
+        }
+
+        public final void setValue(C object, S value)
+        {
+            throw new UnsupportedOperationException("Cannot set value '"+getName()+"' as this property is read-only");
+        }
+
+        public final void clearValue(C object)
+        {
+            throw new UnsupportedOperationException("Cannot set value '"+getName()+"' as this property is read-only");
+        }
+    }
+}