import groovy.lang.Binding;
import groovy.util.GroovyScriptEngine;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class TestFilesOpen {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		
		long init = System.currentTimeMillis();
		ExecutorService es = Executors.newCachedThreadPool();

		
		List l =  new ArrayList();
		for (long i =1; i<30; i++) {
			A c = new A();
			c.id = i;
			l.add(c);
		}
		
		System.out.println("AAAAa");
		
		List <Future>l2 = es.invokeAll(l);
		for (Future a : l2) {
			a.get();
		}
		
		System.out.println("BBBBb [] " + (System.currentTimeMillis() - init));
		
	}
	
	public static String init(long id) throws Exception {
		try {
			String[] roots = new String[] { "C:/cvslocal/Groovy/code/src" };
			GroovyScriptEngine gse = getGroovyEngine(roots); 
			Binding binding = new Binding();
			binding.setVariable("input", Long.toString(id));
			binding.setVariable("output", Long.toString(id));
			gse.run("Test2.groovy", binding);
			return (String)binding.getVariable("output");
		} catch (Throwable b) {
			b.printStackTrace();
			System.err.println(b);
		}
		return "";
	}

	private static GroovyScriptEngine gse2 = null;
	
	private static synchronized GroovyScriptEngine getGroovyEngine(String [] roots) throws Exception {
		if (gse2 == null) {
			gse2 = new GroovyScriptEngine(roots);
		}
		return gse2;
	}
	
	private static class A implements Callable {
		long id;
		public Object call() throws Exception {
			init(id);
			return null;
		}
	}
}