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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.node;
import java.lang.reflect.Constructor;
import org.osoa.sca.ServiceRuntimeException;
/**
* A factory for SCA processing nodes. An SCA processing node can be loaded
* with an SCA composite and the SCA contributions required by the composite.
*
* @version $Rev$ $Date$
*/
public abstract class SCANode2Factory {
/**
* Returns a new SCA node factory instance.
*
* @return a new SCA node factory
*/
public static SCANode2Factory newInstance() {
SCANode2Factory scaNodeFactory = null;
try {
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
String className = "org.apache.tuscany.sca.node.impl.NodeFactoryImpl";
Class<?> cls = Class.forName(className, true, classLoader);
Constructor<?> constructor = null;
try {
constructor = cls.getConstructor();
} catch (NoSuchMethodException e) {
// ignore
}
if (constructor != null) {
scaNodeFactory = (SCANode2Factory)constructor.newInstance();
}
return scaNodeFactory;
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
/**
* Creates a new SCA node.
*
* @param configurationURI the URI of the node configuration
* @return a new SCA node.
*/
public abstract SCANode2 createSCANode(String configurationURI);
/**
* Creates a new SCA node.
*
* @param compositeURI the URI of the composite to use
* @param contributions the URI of the contributions that provides the composites and related artifacts
* @return a new SCA node.
*/
public abstract SCANode2 createSCANode(String compositeURI, SCAContribution... contributions);
/**
* Creates a new SCA node.
*
* @param compositeURI the URI of the composite to use
* @param compositeContent the XML content of the composite to use
* @param contributions the URI of the contributions that provides the composites and related artifacts
* @return a new SCA node.
*/
public abstract SCANode2 createSCANode(String compositeURI, String compositeContent, SCAContribution... contributions);
/**
* Represents an SCA contribution uri + location.
*/
public static final class SCAContribution {
private String uri;
private String location;
/**
* Constructs a new SCA contribution.
*
* @param uri
* @param location
*/
public SCAContribution(String uri, String location) {
this.uri = uri;
this.location = location;
}
public String getURI() {
return uri;
}
public String getLocation() {
return location;
}
}
}
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