org.activiti.crystalball.simulator.impl.simulationexecutor.SimulationRunExecuteJobHandler.java Source code

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Here is the source code for org.activiti.crystalball.simulator.impl.simulationexecutor.SimulationRunExecuteJobHandler.java

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/* 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.
 */
package org.activiti.crystalball.simulator.impl.simulationexecutor;

import org.activiti.crystalball.simulator.SimulationRun;
import org.activiti.crystalball.simulator.SimulationRunHelper;
import org.activiti.crystalball.simulator.impl.context.SimulationContext;
import org.activiti.crystalball.simulator.impl.interceptor.CommandContext;
import org.activiti.crystalball.simulator.impl.persistence.entity.JobEntity;
import org.activiti.crystalball.simulator.impl.persistence.entity.SimulationInstanceEntity;
import org.activiti.crystalball.simulator.impl.persistence.entity.SimulationRunEntity;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * @author Tom Baeyens
 * @author Joram Barrez
 */
public class SimulationRunExecuteJobHandler implements JobHandler {

    private static Logger log = Logger.getLogger(SimulationRunExecuteJobHandler.class.getName());

    public static final String TYPE = "simulation-run";

    public String getType() {
        return TYPE;
    }

    public void execute(JobEntity job, String configuration, SimulationInstanceEntity simulationInstance,
            CommandContext commandContext) {
        log.log(Level.INFO, "Starting simulation experiment [" + simulationInstance + "] configuration ["
                + configuration + "]");

        SimulationRunEntity simulationRun = commandContext.getSimulationRunManager()
                .findSimulationRunWithReferencesById(configuration);
        SimulationContext.setSimulationRun(simulationRun);

        //initializeSimulationRun
        ClassPathXmlApplicationContext appContext = new ClassPathXmlApplicationContext(
                simulationRun.getSimulation().getSimulationConfigUrl());
        PropertyPlaceholderConfigurer propConfig = new PropertyPlaceholderConfigurer();
        Properties properties = new Properties();
        properties.put("simulationRunId", configuration);
        propConfig.setProperties(properties);
        appContext.addBeanFactoryPostProcessor(propConfig);
        appContext.refresh();

        SimulationRunHelper runHelper = new NoopSimulationRunHelper();
        if (appContext.containsBean("simulationRunHelper"))
            runHelper = (SimulationRunHelper) appContext.getBean("simulationRunHelper");

        try {
            runHelper.before(configuration);

            SimulationRun simRun = (SimulationRun) appContext.getBean("simulationRun");
            simRun.execute(simulationRun);
        } catch (Exception e) {
            log.log(Level.SEVERE, "SimulationRun handling error" + simulationRun, e);
        } finally {

            runHelper.after(configuration);
            appContext.close();
        }
        job.delete();

        SimulationContext.removeSimulationRun();

        // check whether all jobs for given simulationInstance were already executed.
        simulationInstance.checkActivity();

        log.log(Level.INFO, "finished simulation experiment [" + simulationInstance + "] configuration ["
                + configuration + "]");
    }

}