package org.jbpm.sim.datasource;
import org.jbpm.graph.def.Action;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.sim.jpdl.SimulationDefinition;
import org.jbpm.sim.jpdl.SimulationInstance;
/**
* This action can be added to processes at all places where business
* figures should be calculated. It calculates the business figure
* and adds it to the result in the current simulation run.
*
* @author bernd.ruecker@camunda.com
*/
public class UseDataSourceAction extends Action {
private String name;
private static final long serialVersionUID = 1L;
public void execute(ExecutionContext executionContext) throws Exception {
SimulationDefinition simDef = (SimulationDefinition)executionContext.getDefinition(SimulationDefinition.class);
ProcessDataSource dataSource = simDef.getDataSource( name );
dataSource.addNextData(executionContext);
if (!dataSource.hasNext()) {
// if the data source is exhausted end the simulation
// because this thread will finish its execution, check it
// after we got a result. This is only a problem if a data source
// contains absolutely no data, which should not be the case
SimulationInstance instance = (SimulationInstance) executionContext.getProcessInstance().getInstance(SimulationInstance.class);
instance.getSimulationModel().getExperiment().stop();
}
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}