/*
 * SessionBean1.java
 *
 * Created on Apr 9, 2008, 11:38:35 AM
 */
package hibernatetravelapp;

import com.sun.rave.web.ui.appbase.AbstractSessionBean;
import com.sun.webui.jsf.model.Option;
import java.util.List;
import java.util.Set;
import javax.faces.FacesException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.collection.PersistentSet;
import travel.HibernateUtil;
import travel.Person;
import travel.Trip;

/**
 * <p>Session scope data bean for your application.  Create properties
 *  here to represent cached data that should be made available across
 *  multiple HTTP requests for an individual user.</p>
 *
 * <p>An instance of this class will be created for you automatically,
 * the first time your application evaluates a value binding expression
 * or method binding expression that references a managed bean using
 * this class.</p>
 *
 */
public class SessionBean1 extends AbstractSessionBean {
    // <editor-fold defaultstate="collapsed" desc="Managed Component Definition">

    /**
     * <p>Automatically managed component initialization.  <strong>WARNING:</strong>
     * This method is automatically generated, so any user-specified code inserted
     * here is subject to being replaced.</p>
     */
    private void _init() throws Exception {
    }
    // </editor-fold>
    private Option[] personOptions;

    /**
     * Get the value of personOptions
     *
     * @return the value of personOptions
     */
    public Option[] getPersonOptions() {
        return personOptions;
    }

    /**
     * Set the value of personOptions
     *
     * @param personOptions new value of personOptions
     */
    public void setPersonOptions(Option[] personOptions) {
        this.personOptions = personOptions;
    }
    private Integer selectedPersonId;

    /**
     * Get the value of selectedPersonId
     *
     * @return the value of selectedPersonId
     */
    public Integer getSelectedPersonId() {
        return selectedPersonId;
    }

    /**
     * Set the value of selectedPersonId
     *
     * @param selectedPersonId new value of selectedPersonId
     */
    public void setSelectedPersonId(Integer selectedPersonId) {
        this.selectedPersonId = selectedPersonId;
        updateTrips4Person();
    }
    private Trip[] trips4Person;

    /**
     * Get the value of trips4Person
     *
     * @return the value of trips4Person
     */
    public Trip[] getTrips4Person() {
        return trips4Person;
    }

    /**
     * Set the value of trips4Person
     *
     * @param trips4Person new value of trips4Person
     */
    public void setTrips4Person(Trip[] trips4Person) {
        this.trips4Person = trips4Person;
    }

    /**
     * <p>Construct a new session data bean instance.</p>
     */
    public SessionBean1() {
    }

    /**
     * <p>This method is called when this bean is initially added to
     * session scope.  Typically, this occurs as a result of evaluating
     * a value binding or method binding expression, which utilizes the
     * managed bean facility to instantiate this bean and store it into
     * session scope.</p>
     * 
     * <p>You may customize this method to initialize and cache data values
     * or resources that are required for the lifetime of a particular
     * user session.</p>
     */
    @Override
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
        // Perform application initialization that must complete
        // *before* managed components are initialized
        // TODO - add your own initialiation code here

        // <editor-fold defaultstate="collapsed" desc="Managed Component Initialization">
        // Initialize automatically managed components
        // *Note* - this logic should NOT be modified
        try {
            _init();
        } catch (Exception e) {
            log("SessionBean1 Initialization Failure", e);
            throw e instanceof FacesException ? (FacesException) e : new FacesException(e);
        }

        // </editor-fold>
        // Perform application initialization that must complete
        // *after* managed components are initialized
        // TODO - add your own initialization code here

        buildPersonOptions();
    }

    /**
     * <p>This method is called when the session containing it is about to be
     * passivated.  Typically, this occurs in a distributed servlet container
     * when the session is about to be transferred to a different
     * container instance, after which the <code>activate()</code> method
     * will be called to indicate that the transfer is complete.</p>
     * 
     * <p>You may customize this method to release references to session data
     * or resources that can not be serialized with the session itself.</p>
     */
    @Override
    public void passivate() {
    }

    /**
     * <p>This method is called when the session containing it was
     * reactivated.</p>
     * 
     * <p>You may customize this method to reacquire references to session
     * data or resources that could not be serialized with the
     * session itself.</p>
     */
    @Override
    public void activate() {
    }

    /**
     * <p>This method is called when this bean is removed from
     * session scope.  Typically, this occurs as a result of
     * the session timing out or being terminated by the application.</p>
     * 
     * <p>You may customize this method to clean up resources allocated
     * during the execution of the <code>init()</code> method, or
     * at any later time during the lifetime of the application.</p>
     */
    @Override
    public void destroy() {
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected ApplicationBean1 getApplicationBean1() {
        return (ApplicationBean1) getBean("ApplicationBean1");
    }

    private void buildPersonOptions() {
        List<Person> personList = null;
        try {
            Session session =
                    HibernateUtil.getSessionFactory().getCurrentSession();
            Transaction tx = session.beginTransaction();
            Query q = session.createQuery("from Person");
            personList = (List<Person>) q.list();

        } catch (Exception e) {
            e.printStackTrace();
        }

        personOptions = new Option[personList.size()];
        int i = 0;
        for (Person person : personList) {
            Option opt = new Option(person.getPersonId(),
                    person.getName());
            personOptions[i++] = opt;
        }
    }

    private void updateTrips4Person() {
        if (selectedPersonId == null) {
            trips4Person = new Trip[1];
            trips4Person[0] = new Trip();
            return;
        }

        Set personTrips = null;
        try {
            Session session =
                    HibernateUtil.getSessionFactory().getCurrentSession();
            Transaction tx = session.beginTransaction();
            Person person =
                    (Person) session.load(Person.class, selectedPersonId);
            personTrips = (PersistentSet) person.getTrips();

        } catch (Exception e) {
            e.printStackTrace();
        }

        trips4Person = (Trip[]) personTrips.toArray(new Trip[0]);
    }
}