plannerbean.java

来自「100多M的J2EE培训内容」· Java 代码 · 共 56 行

package com.borland.training.meetings.sessions;

import javax.ejb.*;
import java.util.*;
import com.borland.training.meetings.entities.*;

public class PlannerBean implements SessionBean {
  private SessionContext sessionContext;
  private Date nextStartTime;
  private Collection attendees;
  transient private TimeFinder timeFinder;

  public void ejbCreate(Collection attendeeIds, java.util.Date startTime) {
    try {
      AttendeeValueFactory factory = AttendeeValueFactory.getInstance();
      Iterator iterator = attendeeIds.iterator();
      attendees = new Vector();
      Attendee attendee = null;
      while(iterator.hasNext()) {
        attendee = factory.findAttendee((Long) iterator.next());
        attendees.add(attendee);
      }
      nextStartTime = startTime;
      timeFinder = TimeFinder.getInstance();
    }
    catch(Exception e) {
      throw new javax.ejb.EJBException(e);
    }
  }

  public void ejbRemove() {
  }

  public void ejbActivate() {
  }

  public void ejbPassivate() {
  }

  public void setSessionContext(SessionContext sessionContext) {
    this.sessionContext = sessionContext;
  }

  public TimePeriod nextAvailableTimePeriod() {
    try {
      TimePeriod availablePeriod = timeFinder.firstAvailableTime(attendees, nextStartTime);
      if(availablePeriod != null) {
        nextStartTime = availablePeriod.getFinishTime();
      }
      return availablePeriod;
    }
    catch (Exception e) {
      throw new javax.ejb.EJBException(e);
    }
  }
}