1 files changed, 53 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperBase.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperBase.java
new file mode 100644
index 0000000000..def862fa7c
--- /dev/null
+++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperBase.java
@@ -0,0 +1,53 @@
+/*
+ * 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.tuscany.core.component.scope;
+
+import org.apache.tuscany.spi.component.TargetDestructionException;
+import org.apache.tuscany.spi.component.TargetInitializationException;
+import org.apache.tuscany.spi.component.InstanceWrapper;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class InstanceWrapperBase<T> implements InstanceWrapper<T> {
+    protected final T instance;
+    private boolean started;
+
+    public InstanceWrapperBase(T instance) {
+        assert instance != null;
+        this.instance = instance;
+    }
+
+    public T getInstance() {
+        assert started;
+        return instance;
+    }
+
+    public boolean isStarted() {
+        return started;
+    }
+
+    public void start() throws TargetInitializationException {
+        started = true;
+    }
+
+    public void stop() throws TargetDestructionException {
+        started = false;
+    }
+}