1 files changed, 66 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/ExtensionPointRegistry.java b/sca-java-2.x/tags/2.0.1-RC1/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java
new file mode 100644
index 0000000000..8f9ab7ed3e
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.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.tuscany.sca.core;
+
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+
+
+/**
+ * The registry for the Tuscany core extension points. As the point of contact
+ * for all extension artifacts this registry allows loaded extensions to find
+ * all other parts of the system and register themselves appropriately.
+ * 
+ *
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public interface ExtensionPointRegistry extends LifeCycleListener {
+
+    /**
+     * Add an extension point to the registry
+     * @param extensionPoint The instance of the extension point
+     *
+     * @throws IllegalArgumentException if extensionPoint is null
+     */
+    void addExtensionPoint(Object extensionPoint);
+
+    /**
+     * Get the extension point by the interface
+     * @param extensionPointType The lookup key (extension point interface)
+     * @return The instance of the extension point
+     *
+     * @throws IllegalArgumentException if extensionPointType is null
+     */
+    <T> T getExtensionPoint(Class<T> extensionPointType);
+
+    /**
+     * Remove an extension point
+     * @param extensionPoint The extension point to remove
+     *
+     * @throws IllegalArgumentException if extensionPoint is null
+     */
+    void removeExtensionPoint(Object extensionPoint);
+    
+    /**
+     * Get an instance of the ServiceDiscovery
+     * @return an instance of the ServiceDiscovery associated with the environment
+     */
+    ServiceDiscovery getServiceDiscovery();
+}