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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.implementation.spring.provider;
import org.apache.tuscany.sca.context.PropertyValueFactory;
import org.apache.tuscany.sca.core.invocation.ProxyFactory;
import org.apache.tuscany.sca.implementation.spring.context.SpringApplicationContextAccessor;
import org.apache.tuscany.sca.implementation.spring.context.SpringContextWrapper;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.provider.ImplementationProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.springframework.context.ApplicationContext;
/**
* A provider class for runtime Spring implementation instances
* @version $Rev$ $Date$
*/
public class SpringImplementationProvider implements ImplementationProvider {
private RuntimeComponent component;
private SpringImplementationWrapper implementation;
private SpringApplicationContextAccessor contextAccessor;
// A Spring application context object
private SpringContextWrapper springContext;
/**
* Constructor for the provider - takes a component definition and a Spring implementation
* description
* @param component - the component in the assembly
* @param implementation - the implementation
*/
public SpringImplementationProvider(RuntimeComponent component,
SpringImplementationWrapper implementation,
ProxyFactory proxyService,
PropertyValueFactory propertyValueObjectFactory,
SpringApplicationContextAccessor contextAccessor) {
super();
this.component = component;
this.implementation = implementation;
this.contextAccessor = contextAccessor;
} // end constructor
public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
return new SpringInvoker(component, springContext, service, operation);
}
public boolean supportsOneWayInvocation() {
return false;
}
/**
* Start this Spring implementation instance
*/
public void start() {
ApplicationContext parentApplicationContext =
(contextAccessor == null) ? null : contextAccessor.getParentApplicationContext(component);
implementation.setParentApplicationContext(parentApplicationContext);
springContext = new SpringContextWrapper(implementation, implementation.getResource());
springContext.start();
}
/**
* Stop this implementation instance
*/
public void stop() {
springContext.close();
}
} // end class SpringImplementationProvider
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