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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.wire;
import java.lang.reflect.InvocationTargetException;
/**
* Implementations are responsible for resolving a target and performing the actual invocation on it, for example, a
* service component implementation instance or an external service client.
*
* @version $Rev$ $Date$
*/
public interface TargetInvoker extends Interceptor, Cloneable{
/**
* Responsible for invoking an operation on a target with the given payload
*
* @param payload the parameters of the target operation or null
* @throws InvocationTargetException if the target operation itself throws an exception. The root cause will be set
* to that exception
*/
public Object invokeTarget(Object payload) throws InvocationTargetException;
/**
* Determines whether the proxy can be cached on the client/source side
*/
public boolean isCacheable();
/**
* Implementations must support deep cloning
*/
public Object clone() throws CloneNotSupportedException;
}
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