org.apache.taverna.scufl2.translator.t2flow.defaultdispatchstack.ParallelizeParser.java Source code

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Here is the source code for org.apache.taverna.scufl2.translator.t2flow.defaultdispatchstack.ParallelizeParser.java

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package org.apache.taverna.scufl2.translator.t2flow.defaultdispatchstack;
/*
 *
 * 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.
 *
*/

import static org.apache.taverna.scufl2.translator.t2flow.T2FlowParser.ravenURI;

import java.math.BigInteger;
import java.net.URI;

import org.apache.taverna.scufl2.api.configurations.Configuration;
import org.apache.taverna.scufl2.api.io.ReaderException;
import org.apache.taverna.scufl2.translator.t2flow.ParserState;
import org.apache.taverna.scufl2.translator.t2flow.T2FlowParser;
import org.apache.taverna.scufl2.translator.t2flow.defaultactivities.AbstractActivityParser;

import org.apache.taverna.scufl2.xml.t2flow.jaxb.ConfigBean;
import org.apache.taverna.scufl2.xml.t2flow.jaxb.ParallelizeConfig;

import com.fasterxml.jackson.databind.node.ObjectNode;

public class ParallelizeParser extends AbstractActivityParser {

    private static URI modelRavenURI = ravenURI.resolve("net.sf.taverna.t2.core/workflowmodel-impl/");

    private static String className = "net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize";

    public static URI scufl2Uri = URI
            .create("http://ns.taverna.org.uk/2010/scufl2/taverna/dispatchlayer/Parallelize");

    public static class Defaults {
        public static int maxJobs = 1;
    }

    @Override
    public boolean canHandlePlugin(URI pluginURI) {
        String uriStr = pluginURI.toASCIIString();
        return uriStr.startsWith(modelRavenURI.toASCIIString()) && uriStr.endsWith(className);
    }

    @Override
    public URI mapT2flowRavenIdToScufl2URI(URI t2flowActivity) {
        return scufl2Uri;
    }

    @Override
    public Configuration parseConfiguration(T2FlowParser t2FlowParser, ConfigBean configBean,
            ParserState parserState) throws ReaderException {
        ParallelizeConfig parallelConfig = unmarshallConfig(t2FlowParser, configBean, "xstream",
                ParallelizeConfig.class);
        Configuration c = new Configuration();
        c.setType(scufl2Uri.resolve("#Config"));

        BigInteger maxJobs = parallelConfig.getMaxJobs();
        if (maxJobs != null && maxJobs.intValue() > 0 && maxJobs.intValue() != Defaults.maxJobs) {
            ObjectNode json = (ObjectNode) c.getJson();
            json.put("maxJobs", maxJobs.intValue());
        }
        return c;
    }
}