orchestrator/orchestrator-core/src/main/java/org/apache/airavata/orchestrator/core/utils/OrchestratorUtils.java

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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
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 * KIND, either express or implied.  See the License for the
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package org.apache.airavata.orchestrator.core.utils;

import org.apache.airavata.orchestrator.core.JobRequest;
import org.apache.airavata.orchestrator.core.JobSubmitterWorker;
import org.apache.airavata.orchestrator.core.OrchestratorConfiguration;
import org.apache.airavata.orchestrator.core.exception.OrchestratorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.net.URL;
import java.util.Properties;

public class OrchestratorUtils {
    private final static Logger logger = LoggerFactory.getLogger(OrchestratorUtils.class);

    public static OrchestratorConfiguration loadOrchestratorConfiguration() throws OrchestratorException, IOException {
        URL resource =
                JobSubmitterWorker.class.getClassLoader().getResource(OrchestratorConstants.ORCHESTRATOR_PROPERTIES);
        if (resource == null) {
            String error = "orchestrator.properties cannot be found, Failed to initialize Orchestrator";
            logger.error(error);
            throw new OrchestratorException(error);
        }
        OrchestratorConfiguration orchestratorConfiguration = new OrchestratorConfiguration();
        Properties orchestratorProps = new Properties();
        orchestratorProps.load(resource.openStream());
        orchestratorConfiguration.setSubmitterClass((String) orchestratorProps.get(OrchestratorConstants.JOB_SUBMITTER));
        orchestratorConfiguration.setSubmitterInterval((Integer) orchestratorProps.get(OrchestratorConstants.SUBMIT_INTERVAL));
        orchestratorConfiguration.setThreadPoolSize((Integer) orchestratorProps.get(OrchestratorConstants.THREAD_POOL_SIZE));
        orchestratorConfiguration.setStartSubmitter(Boolean.valueOf(orchestratorProps.getProperty(OrchestratorConstants.START_SUBMITTER)));
        return orchestratorConfiguration;
    }

    public static boolean validateJobRequest(JobRequest request){
        /* todo implement a job request validation */

        return true;
    }

}