1 files changed, 37 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java b/sca-java-2.x/tags/2.0.1-RC1/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java
new file mode 100644
index 0000000000..ca92cb8129
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java
@@ -0,0 +1,37 @@
+/*
+ * 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.sca.core;
+
+/**
+ * A listener that responds to the start/stop event of the ExtensionPointRegistry. Tuscany extension
+ * points or extensions can implement this interface to receive callbacks when the registry is started
+ * or stopped
+ * @tuscany.spi.extension.inheritfrom
+ */
+public interface LifeCycleListener {
+    /**
+     * The method will be invoked when the extension point registry is started
+     */
+    void start();
+    /**
+     * The method will be invoked when the extension point registry is stopped
+     */
+    void stop();
+}