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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.provider;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
/**
* A reference binding implementation can options implement this
* interface to tie into the Tuscany SCA runtime
*
* @version $Rev$ $Date$
* @tuscany.spi.extension.inheritfrom
*/
public interface ReferenceBindingProvider extends RuntimeProvider {
/**
* Create an invoker for the reference binding in the invocation chain. The
* invoker is responsible for making the outbound invocation over the
* binding protocol.
*
* @param operation The operation that the interceptor will handle
* @return An invoker that handles the invocation logic, null should be
* returned if no invoker is required
*/
Invoker createInvoker(Operation operation);
/**
* Get the effective interface contract imposed by the binding. For example,
* it will be interface contract introspected from the WSDL portType used by
* the endpoint for a WebService binding.
*
* @return The effective interface contract, if null is returned, the
* interface contract for the component reference will be used
*/
InterfaceContract getBindingInterfaceContract();
/**
* For bindings that invoke one-way operations asynchronously, there is no
* need to perform a thread switch before calling the invoker. This method
* indicates whether the binding has this capability.
*
* @return true if the binding invoker is able to invoke one-way operations
* asynchronously, false if all invocations are synchronous
*/
boolean supportsOneWayInvocation();
}
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