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/*
* 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;
/**
* 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 $Rev$ $Date$
*/
public interface ExtensionPointRegistry {
/**
* 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);
}
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