/**
 * 
 */

package org.springmodules.jsr94.core;

import java.rmi.RemoteException;
import java.util.List;

import javax.rules.Handle;
import javax.rules.InvalidHandleException;
import javax.rules.InvalidRuleSessionException;
import javax.rules.StatefulRuleSession;

import org.springmodules.jsr94.support.StatefulRuleSessionCallback;

/**
 * @author janm
 *
 */
public class BusinessBean {

	/**
	 * Jsr94Template
	 */
	private Jsr94Template template;

	/**
	 * Broser fact handle
	 */
	private Handle browserHandle;

	/**
	 * Tests stateful ruleset execution in Tx
	 */
	public void statefulInTransaction() {
		List result = (List) template.executeStateful("test", null, new StatefulRuleSessionCallback() {
					public Object execute(StatefulRuleSession session) throws InvalidRuleSessionException, InvalidHandleException, RemoteException {
						browserHandle = session.addObject("Gecko");
						session.executeRules();
						return session.getObjects();
					}

				});

		result = (List) template.executeStateful("test", null, new StatefulRuleSessionCallback() {
					public Object execute(StatefulRuleSession session) throws InvalidRuleSessionException, InvalidHandleException, RemoteException {
						session.removeObject(browserHandle);
						session.addObject("MSIE");
						session.executeRules();
						return session.getObjects();
					}

				});
	}

	/**
	 * Tests stateful ruleset execition outside Tx
	 */
	public void statefulOutsideTransaction() {
		List result = (List) template.executeStateful("test", null, new StatefulRuleSessionCallback() {
					public Object execute(StatefulRuleSession session) throws InvalidRuleSessionException, InvalidHandleException, RemoteException {
						browserHandle = session.addObject("Gecko");
						session.executeRules();
						return session.getObjects();
					}

				});

		result = (List) template.executeStateful("test", null, new StatefulRuleSessionCallback() {
					public Object execute(StatefulRuleSession session) throws InvalidRuleSessionException, InvalidHandleException, RemoteException {
						try {
							session.removeObject(browserHandle);
							throw new InvalidRuleSessionException("This must be invalid!");
						}
						catch (InvalidRuleSessionException ex) {
							// expected
						}
						session.addObject("MSIE");
						session.executeRules();
						return session.getObjects();
					}

				});
	}

	/**
	 * Sets new value for field template
	 * @param template The template to set.
	 */
	public final void setTemplate(Jsr94Template template) {
		this.template = template;
	}

}