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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.generator;
import org.openecomp.core.logging.api.Logger;
import org.openecomp.core.logging.api.LoggerFactory;
import org.openecomp.sdc.generator.data.Artifact;
import org.openecomp.sdc.generator.data.GenerationData;
import org.openecomp.sdc.generator.intf.ArtifactGenerator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.RecursiveTask;
public class GeneratorTask extends RecursiveTask<GenerationData> {
private static Logger log = LoggerFactory.getLogger(GeneratorTask.class.getName());
List<Artifact> input;
List<ArtifactGenerator> generators;
Map<String, String> additionalParams;
/**
* Instantiates a new Generator task.
*
* @param generators the generators
* @param input the input
* @param additionalParams the additional params
*/
public GeneratorTask(List<ArtifactGenerator> generators, List<Artifact> input,
Map<String, String> additionalParams ) {
this.input = input;
this.generators = generators;
this.additionalParams = additionalParams;
}
@Override
protected GenerationData compute() {
if (generators.size() == 1) {
log.debug("Instantiating Generator : " + generators.get(0).getClass().getName());
return generators.remove(0).generateArtifact(input, additionalParams);
} else {
LinkedList<ArtifactGenerator> generator = new LinkedList<>();
generator.add(generators.remove(0));
GeneratorTask tobeDone = new GeneratorTask(generator, input, additionalParams);
GeneratorTask tobeForked =
new GeneratorTask(new LinkedList<ArtifactGenerator>(generators), input, additionalParams);
tobeForked.fork();
GenerationData output = tobeDone.compute();
output.add(tobeForked.join());
return output;
}
}
}
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