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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 java.util.logging.Logger;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilderMonitor;
import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
public class CompositeIncludeBuilderImpl {
public static Logger logger = Logger.getLogger(CompositeIncludeBuilderImpl.class.getName());
public CompositeIncludeBuilderImpl(CompositeBuilderMonitor monitor) {
}
/**
* Collect all includes in a graph of includes.
*
* @param composite
* @param includes
*/
private void collectIncludes(Composite composite, List<Composite> includes, Set<Composite> visited) {
for (Composite include : composite.getIncludes()) {
if (visited.contains(include)) {
logger.warning("Composite " + include.getName() + " has already been included.");
continue;
}
includes.add(include);
visited.add(include);
collectIncludes(include, includes, visited);
}
}
/**
* Copy a list of includes into a composite.
*
* @param composite
*/
public void fuseIncludes(Composite composite) {
// First collect all includes
List<Composite> includes = new ArrayList<Composite>();
Set<Composite> visited = new HashSet<Composite>();
visited.add(composite);
collectIncludes(composite, includes, visited);
// 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());
if ( composite instanceof PolicySetAttachPoint ) {
((PolicySetAttachPoint)composite).getPolicySets().addAll(((PolicySetAttachPoint)clone).getPolicySets());
((PolicySetAttachPoint)composite).getRequiredIntents().addAll(((PolicySetAttachPoint)clone).getRequiredIntents());
}
}
// Clear the list of includes
composite.getIncludes().clear();
}
}
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