ModelRunnable.java

/**
 * 
 */
package com.momega.spacesimulator.server.data;

import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicBoolean;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.momega.spacesimulator.model.Model;
import com.momega.spacesimulator.model.RunStep;
import com.momega.spacesimulator.service.ModelWorker;

/**
 * @author martin
 *
 */
public class ModelRunnable implements Callable<Model> {
	
	private static final Logger logger = LoggerFactory.getLogger(ModelRunnable.class);

	private ModelWorker worker;
	private Model model;
	private AtomicBoolean running = new AtomicBoolean(true);
	private RunStep runStep;

	public ModelRunnable(ModelWorker worker, Model model, double dt, boolean runningHeadless) {
		this.worker = worker;
		this.model = model;
		this.runStep = RunStep.create(model.getTime(), dt, runningHeadless);
	}
	
	public void setRunning(boolean running) {
		this.running.set(running);
	}
	
	public Model getModel() {
		return model;
	}

	@Override
	public Model call() throws Exception {
		logger.info("start the thread");
		while(running.get()) {
			worker.next(model, this.runStep);
			this.runStep.next();
		}
		logger.info("thread about stop, execute last step ");
		// perform last step not headless
		this.runStep.setRunningHeadless(false);
		worker.next(model, this.runStep);
		return model;
	}
	
	public boolean isRunning() {
		return running.get();
	}

}