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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.assembly.builder.impl;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.definitions.Definitions;
import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
/**
* Implementation of a CompositeBuilder.
*
* @version $Rev$ $Date$
*/
public class CompositeIncludeBuilderImpl implements CompositeBuilder {
public CompositeIncludeBuilderImpl(FactoryExtensionPoint factories, InterfaceContractMapper mapper) {
}
public CompositeIncludeBuilderImpl() {
}
public String getID() {
return "org.apache.tuscany.sca.assembly.builder.CompositeIncludeBuilder";
}
public void build(Composite composite, Definitions definitions, Monitor monitor) throws CompositeBuilderException {
fuseIncludes(composite, monitor);
}
private void warning(Monitor monitor, String message, Object model, String... messageParameters) {
if (monitor != null){
Problem problem = monitor.createProblem(this.getClass().getName(), "assembly-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
/**
* Collect all includes in a graph of includes.
*
* @param composite
* @param includes
*/
private void collectIncludes(Composite composite, List<Composite> includes,
Set<Composite> visited, Monitor monitor) {
for (Composite include : composite.getIncludes()) {
if (visited.contains(include)) {
warning(monitor, "CompositeAlreadyIncluded", composite, include.getName().toString());
continue;
}
includes.add(include);
visited.add(include);
collectIncludes(include, includes, visited, monitor);
}
}
/**
* Copy a list of includes into a composite.
*
* @param composite
*/
private void fuseIncludes(Composite composite, Monitor monitor) {
// First collect all includes
List<Composite> includes = new ArrayList<Composite>();
Set<Composite> visited = new HashSet<Composite>();
visited.add(composite);
collectIncludes(composite, includes, visited, monitor);
// Then clone them
for (Composite include : includes) {
Composite clone;
try {
clone = (Composite)include.clone();
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
composite.getComponents().addAll(clone.getComponents());
composite.getServices().addAll(clone.getServices());
composite.getReferences().addAll(clone.getReferences());
composite.getProperties().addAll(clone.getProperties());
composite.getWires().addAll(clone.getWires());
composite.getPolicySets().addAll(clone.getPolicySets());
composite.getRequiredIntents().addAll(clone.getRequiredIntents());
}
// Clear the list of includes
composite.getIncludes().clear();
}
}
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