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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.assembly.Endpoint;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.InvokerAsyncRequest;
import org.apache.tuscany.sca.invocation.InvokerAsyncResponse;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
/**
* TUSCANY-3786 - Possibly temporary interface to describe an
* async invocation. Need to make it work end to
* end before committing to this.
*
* A component implementation can implement this interface in order to tie
* into the Tuscany runtime to process asynchronous responses.
*
*/
public interface ImplementationAsyncProvider extends ImplementationProvider {
/**
* TUSCANY-3801
* Create an async invoker for the component implementation in the invocation
* chain. The invoker will be responsible for calling the implementation
* logic for the given component. The only real difference between this and
* createInvoker is that the Endpoint is passed in so that the invoker can
* engineer the async response
*
* @param service The component service
* @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
*/
InvokerAsyncRequest createAsyncInvoker(RuntimeComponentService service, Operation operation);
/**
* TUSCANY-3801
* Create an invoker for the asynchronous responses in the invocation
* chain. The invoker will be responsible for processing the async
* response including correlating it with the forward call using
* the MESAGE_ID that appears in the message header.
*
* @param service The component service
* @param operation The operation that the interceptor will handle
* @return An AsyncResponseHandler<T> instance
*/
InvokerAsyncResponse createAsyncResponseInvoker(Operation operation);
}
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