package org.jbpm.sim.datasource;
import org.jbpm.graph.exe.ExecutionContext;
/**
* A VariableSource implementation generates process variables
* for simulation runs. The simulation just queries the process variables
* it needs and create the next one as soon the next process instance
* is created.
*
*
* @author bernd.ruecker@camunda.com
*/
public interface ProcessDataSource {
/**
* adds the next generated data of the data source
* to the process context
*
* @param ctx
*/
public void addNextData(ExecutionContext ctx);
public void reset();
/**
* if false, no more data can be queried from this data source
*
* TODO: It should be possible, that the simulation ends
* when the data source stops sending data
*/
public boolean hasNext();
}