1 files changed, 67 insertions, 0 deletions
diff --git a/sdo-cpp/trunk/runtime/core/src/commonj/sdo/RefCountingObject.h b/sdo-cpp/trunk/runtime/core/src/commonj/sdo/RefCountingObject.h
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index 0000000000..6e20ba49cb
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+++ b/sdo-cpp/trunk/runtime/core/src/commonj/sdo/RefCountingObject.h
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ */
+
+/* $Rev$ $Date$ */
+
+#ifndef _REFCOUNTINGOBJECT_H
+#define _REFCOUNTINGOBJECT_H
+
+
+#include "commonj/sdo/export.h"
+#include <iostream>
+
+namespace commonj {
+    namespace sdo {
+
+/**
+ * RefcountingObject is the base class for all objects in SDO
+ * These objects keep a count of references to themselves, then
+ * free themselves when they are unused.
+ */
+    class RefCountingObject 
+    {
+        public:
+        SDO_API RefCountingObject();
+        SDO_API RefCountingObject(const RefCountingObject& rc);
+        SDO_API RefCountingObject& operator=(const RefCountingObject& rc);
+        SDO_API virtual ~RefCountingObject() = 0;
+/**
+ * Add to the reference count - a new pointer has been created.
+ */
+        SDO_API void addRef();
+/**
+ * Subtract from the the reference count - a reference has dropped.
+ */
+        SDO_API void releaseRef();
+
+/**
+ * Print contents to stream
+ */
+        SDO_API virtual std::ostream& printSelf(std::ostream &os);
+
+
+        private:
+        unsigned int refCount;
+        static long allObs;
+    };
+
+    };
+};
+
+#endif