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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.builder.impl;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.tuscany.core.builder.ContextCreationException;
import org.apache.tuscany.core.builder.ObjectFactory;
import org.apache.tuscany.core.builder.RuntimeConfiguration;
import org.apache.tuscany.core.context.ExternalServiceContext;
import org.apache.tuscany.core.context.impl.ExternalServiceContextImpl;
import org.apache.tuscany.core.invocation.spi.ProxyFactory;
import org.apache.tuscany.model.assembly.Scope;
/**
* A template implementation that creates instances of {@link org.apache.tuscany.core.context.ExternalServiceContext}
* configured with the appropriate invocation chains and bindings. This class is intended to be subclassed when
* contributing new bindings to the runtime. The subclass serves as a marker so the binding {@link WireBuilder}
* responsible for setting the proper {@link org.apache.tuscany.core.invocation.TargetInvoker} on the invocation chains
* can be notified.
*
* @version $Rev$ $Date$
*/
public abstract class BaseExternalServiceRuntimeConfiguration implements RuntimeConfiguration<ExternalServiceContext> {
private String name;
private ProxyFactory proxyFactory;
private ObjectFactory objectFactory;
private String targetServiceName;
private Map<String,ProxyFactory> targetProxyFactories;
public BaseExternalServiceRuntimeConfiguration(String name, ObjectFactory objectFactory) {
assert (name != null) : "Name was null";
assert (objectFactory != null) : "Object factory was null";
this.name = name;
this.objectFactory = objectFactory;
}
public ExternalServiceContext createInstanceContext() throws ContextCreationException {
return new ExternalServiceContextImpl(name, proxyFactory, objectFactory);
}
public Scope getScope() {
return Scope.MODULE;
}
public String getName() {
return name;
}
public void prepare() {
}
public void addTargetProxyFactory(String serviceName, ProxyFactory factory) {
assert (serviceName != null) : "No service name specified";
assert (factory != null) : "Proxy factory was null";
this.targetServiceName = serviceName; // external services are configured with only one service
this.proxyFactory = factory;
}
public ProxyFactory getTargetProxyFactory(String serviceName) {
if (this.targetServiceName.equals(serviceName)) {
return proxyFactory;
} else {
return null;
}
}
public Map<String,ProxyFactory> getTargetProxyFactories() {
if (targetProxyFactories == null) {
targetProxyFactories = new HashMap(1);
targetProxyFactories.put(targetServiceName, proxyFactory);
}
return targetProxyFactories;
}
public void addSourceProxyFactory(String referenceName, ProxyFactory factory) {
// no wires inside an aggregate from an external service
}
public ProxyFactory getSourceProxyFactory(String referenceName) {
return null;
}
public Map getSourceProxyFactories() {
return Collections.EMPTY_MAP;
}
}
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