userbean.java

考勤管理系统源码

package com.wiley.compBooks.EJwithUML.TimeCardDomain;

import com.wiley.compBooks.EJwithUML.Base.EjbUtil.*;
import java.util.*;
import javax.ejb.*;
import javax.naming.*;

/**
 * The User bean holds descriptive information about a User.
 * UserBean is the actual entity bean implementation.
 */
public abstract class UserBean extends BasicEntityBean  implements UserInt
{
  private TimecardLocal currentTimecard;

  /** CMP fields */
  public abstract String getId();
  public abstract void setId(String id);
  public abstract String getName();
  public abstract void setName(String name);
  public abstract String getPassword();
  public abstract void setPassword(String password);
  public abstract boolean getPasswordChangeFlag();
  public abstract void setPasswordChangeFlag(boolean flag);


  public TimecardLocal getCurrentTimecard()
  {
    try
    {
        if (this.currentTimecard == null)
        {
          Context initialContext = new InitialContext();
          TimecardLocalHome thome = (TimecardLocalHome) initialContext.lookup(
              EjbReferenceNames.TIMECARD_HOME);
          Collection tcards = thome.findCurrentTimecardForUser(this.getId());
          //there should be atmost one timecard marked as current
          if (tcards.size() == 1)
          {
            this.currentTimecard = (TimecardLocal)tcards.iterator().next();
          }
        }
    }
    catch(NamingException e)
    {
      //do nothing
    }
    catch(FinderException e)
    {
      //do nothing
    }
    return currentTimecard;
  }

  public void setCurrentTimecard(TimecardLocal currentTimecard)
  {
    this.currentTimecard=currentTimecard;
  }


  /** Create an EmployeeBean with the specified parameters. This is never called directly. */
  public UserPK ejbCreate(String id, String name, String password,
                          boolean passwordFlag) throws CreateException
  {
    try
    {
      setId(id);
      setName(name);
      setPassword(password);
      setPasswordChangeFlag(passwordFlag);
      Context initialContext = new InitialContext();
      TimecardLocalHome thome = (TimecardLocalHome) initialContext.lookup(
                                EjbReferenceNames.TIMECARD_HOME);
      Collection tcards = thome.findCurrentTimecardForUser(id);
      //there should be atmost one timecard marked as current
      if (tcards.size() == 1)
      {
        this.currentTimecard = (TimecardLocal)tcards.iterator().next();
      }
      else if(tcards.size()>1)
      {
        throw new CreateException("more than one timecard are marked as current.");
      }
      return null;
    }
    catch(Exception exp)
    {
      throw new CreateException("failed to lookup current timecard-" + exp.toString());
    }
  }

  /** Actions performed after creation. This is never called directly. */
  public void ejbPostCreate(String id, String name, String password, boolean passwordFlag)
  {
  }

  /** Answers true if the entered password matches this Employee's password. */
  public boolean isPasswordValid(String entered)
  {
    return getPassword().equals(entered);
  }

  /** Answers true if the password should be changed. */
  public boolean isPasswordChangeRequired()
  {
    return getPasswordChangeFlag();
  }
}