SalesEntitySessionBean.java 1.55 KB
package fi.insomnia.bortal.beans;

import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateful;
import javax.resource.spi.IllegalStateException;

import fi.insomnia.bortal.facade.SalesEntityFacade;
import fi.insomnia.bortal.model.salespoint.SalesEntity;
import fi.insomnia.bortal.model.salespoint.Salespoint;
import fi.insomnia.bortal.salespoint.SalespointSessionManager;

/**
 * Session Bean implementation class SalesEntitySessionBean
 */
@Stateful
@LocalBean
public class SalesEntitySessionBean implements SalesEntitySessionBeanLocal {

	@EJB
	PermissionBeanLocal permissionBean;

	@EJB
	SalespointContainerBeanLocal salespointContainer;

	@EJB
	SalesEntityFacade salesEntityFacade;

	private SalespointSessionManager sessionManager = null;

	public SalesEntitySessionBean() {
	}

	public SalespointSessionManager getSessionManager()
			throws IllegalStateException {

		if (sessionManager == null) {
			String cn = permissionBean.getCommonName();
			sessionManager = getSessionManagerByCommonName(cn);
		}

		return sessionManager;
	}

	private SalespointSessionManager getSessionManagerByCommonName(String cn) {

		SalesEntity salesEntity = salesEntityFacade.findByCN(cn);
		if (salesEntity == null)
			throw new IllegalArgumentException(
					"There is no SalesEntity with CN=" + cn);

		Salespoint salespoint = salesEntity.getPoint();
		if (salespoint == null)
			throw new IllegalArgumentException("SalesEntity (CN=" + cn
					+ ") is not associated with Salespoint");

		return salespointContainer.getSessionManagerBySalespointId(salespoint
				.getId());
	}
}