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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.binding.comet.runtime;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.binding.comet.runtime.javascript.JavascriptGenerator;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.interfacedef.Interface;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.provider.ServiceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* Provider for services having comet binding specified in the scdl.
*/
public class CometServiceBindingProvider implements ServiceBindingProvider {
/**
* Service's endpoint.
*/
private final RuntimeEndpoint endpoint;
/**
* The underlying servlet host.
*/
private final ServletHost servletHost;
/**
* Constructor.
*
* @param endpoint the given endpoint
* @param servletHost the given servlet host
*/
public CometServiceBindingProvider(final RuntimeEndpoint endpoint, final ServletHost servletHost) {
this.endpoint = endpoint;
this.servletHost = servletHost;
}
/**
* This method is used to start the provider.
*/
@Override
public void start() {
ServletFactory.registerServlet(this.servletHost);
final ComponentService service = this.endpoint.getService();
final Interface serviceInterface = service.getInterfaceContract().getInterface();
JavascriptGenerator.generateServiceProxy(service);
for (final Operation operation : serviceInterface.getOperations()) {
JavascriptGenerator.generateMethodProxy(service, operation);
ServletFactory.addOperation(this.endpoint, operation);
}
}
/**
* This method is used to stop the provider.
*/
@Override
public void stop() {
ServletFactory.unregisterServlet(this.servletHost);
}
@Override
public InterfaceContract getBindingInterfaceContract() {
return null;
}
@Override
public boolean supportsOneWayInvocation() {
return true;
}
}
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