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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.invocation;
import java.util.List;
import org.apache.tuscany.sca.runtime.Invocable;
import org.oasisopen.sca.ServiceReference;
/**
* Creates proxies that implement Java interfaces and invocation handlers for fronting wires
*
* @version $Rev$ $Date$
* @tuscany.spi.extension.asclient
*/
public interface ProxyFactory {
/**
* Creates a Java proxy for the given wire
*
* @param interfaze the interface the proxy implements
* @param invocable the wire to proxy
* @return the proxy
* @throws ProxyCreationException
*/
<T> T createProxy(Class<T> interfaze, Invocable invocable) throws ProxyCreationException;
/**
* Creates a Java proxy for the given CallableReference
*
* @param callableReference The CallableReference
* @return the proxy
* @throws ProxyCreationException
*/
<T> T createProxy(ServiceReference<T> callableReference) throws ProxyCreationException;
/**
* Creates a Java proxy for the service contract callback
*
* @param interfaze the interface the proxy should implement
* @return the proxy
* @throws ProxyCreationException
*/
<T> T createCallbackProxy(Class<T> interfaze, List<? extends Invocable> invocables) throws ProxyCreationException;
/**
* Creates a Java proxy for the given callback reference
*
* @param callableReference The CallableReference
* @return the proxy
* @throws ProxyCreationException
*/
<T> T createCallbackProxy(ServiceReference<T> callbackReference) throws ProxyCreationException;
/**
* Cast a proxy to a CallableReference.
*
* @param target a proxy generated by this implementation
* @return a CallableReference (or subclass) equivalent to this proxy
* @throws IllegalArgumentException if the object supplied is not a proxy
*/
<B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException;
/**
* Test if a given class is a generated proxy class by this factory
* @param clazz A java class or interface
* @return true if the class is a generated proxy class by this factory
*/
boolean isProxyClass(Class<?> clazz);
/**
* Allow cached proxies to be removed when a contribution is removed. The proxy
* cache holds the application interface so will pin the contribution classloader
*
* @param contributionClassloader the classloader of the contribution being removed
*/
void removeProxiesForContribution(ClassLoader contributionClassloader);
}
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