rosterbean.java

来自「100多M的J2EE培训内容」· Java 代码 · 共 79 行

package cmpsample;

import javax.ejb.*;
import javax.naming.*;

abstract public class RosterBean implements EntityBean {
  EntityContext entityContext;
  public java.lang.String ejbCreate(java.lang.String rosterID) throws CreateException {
    setRosterID(rosterID);
    return null;
  }
  //business methods
        public String fetchRosterID()
        {
                return getRosterID();
        }

        public String fetchStudentID()
        {
                return getStudentID();
        }

        public String fetchScheduleID()
        {
                return getScheduleID();
        }

  public java.lang.String ejbCreate(String rosterID, String scheduleID, String studentID) throws CreateException {
    System.out.println(" -- RsoterEJB - ejbCreate...");
     setRosterID(rosterID);
     setScheduleID(scheduleID);
     //setStudentID(studentID); \u00B2\u00BB\u00C4\u00DC\u00D4\u00DA\u00B4\u00CB\u00D6±\u00BD\u00D3setXXX().see ejbPostCreate()
     return rosterID;
  }
  public void ejbPostCreate(java.lang.String rosterID) throws CreateException {
    /**@todo Complete this method*/
  }
  public void ejbPostCreate(String rosterID, String scheduleID, String studentID) throws CreateException {
    System.out.println(" -- RosterEJB -ejbPostCreate...rosterID = "+rosterID);
     try {
                     Context ic = new InitialContext();
                     StudentHome home = (StudentHome)
                         ic.lookup("Student");
                    Student student = home.findByPrimaryKey(studentID);
                     student.addRoster((Roster)entityContext.getEJBLocalObject());
                 } catch (Exception ex) {
                     entityContext.setRollbackOnly();
                     ex.printStackTrace();
                 }

  }
  public void ejbRemove() throws RemoveException {
    /**@todo Complete this method*/
  }
  public abstract void setRosterID(java.lang.String rosterID);
  public abstract void setStudentID(java.lang.String studentID);
  public abstract void setScheduleID(java.lang.String scheduleID);
  public abstract java.lang.String getRosterID();
  public abstract java.lang.String getStudentID();
  public abstract java.lang.String getScheduleID();
  public void ejbLoad() {
    /**@todo Complete this method*/
  }
  public void ejbStore() {
    /**@todo Complete this method*/
  }
  public void ejbActivate() {
    /**@todo Complete this method*/
  }
  public void ejbPassivate() {
    /**@todo Complete this method*/
  }
  public void unsetEntityContext() {
    this.entityContext = null;
  }
  public void setEntityContext(EntityContext entityContext) {
    this.entityContext = entityContext;
  }
}