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diff --git a/branches/sca-equinox/samples/calculator-osgi/src/main/java/calculator/CalculatorActivator.java b/branches/sca-equinox/samples/calculator-osgi/src/main/java/calculator/CalculatorActivator.java
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+++ b/branches/sca-equinox/samples/calculator-osgi/src/main/java/calculator/CalculatorActivator.java
@@ -0,0 +1,50 @@
+/*
+ * 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 calculator;
+
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.ContributionLocationHelper;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+/**
+ * Bundle Activator for Calculator
+ *
+ */
+public class CalculatorActivator implements BundleActivator {
+    private Node node;
+
+    public void start(BundleContext context) throws Exception {
+        NodeFactory factory = NodeFactory.newInstance();
+        String url = ContributionLocationHelper.getContributionLocation(getClass());
+        Contribution contrib = new Contribution("c1", url);
+        node = factory.createNode("Calculator.composite", contrib);
+        node.start();
+    }
+
+    public void stop(BundleContext context) throws Exception {
+        if (node != null) {
+            node.stop();
+            node = null;
+        }
+    }
+
+}