catalogejb.java

一个优秀的供应商管理系统

package apusic.myshop.catalog.ejb;

import java.rmi.RemoteException;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.EJBException;
import javax.ejb.FinderException;
import javax.ejb.CreateException;
import javax.ejb.RemoveException;
import javax.ejb.DuplicateKeyException;

public class CatalogEJB implements EntityBean{

  public String cataId;
  public String category;
  public String name;
  public String descn;

  private EntityContext initCtx;
  protected transient boolean dirty = false;

  public void ejbActivate() {
    //
  }

  public void ejbPassivate() {
    //
  }

  public void ejbLoad() throws RemoteException {
    setDirty(false);
  }

  public void ejbStore() {
    setDirty(false);
  }

  public void ejbRemove() throws RemoveException {
    //
  }

  private void setDirty(boolean flag) {
    dirty = flag;
  }

  public boolean isModified() {
    return dirty;
  }

  public void setEntityContext(EntityContext ctx) {
    initCtx = ctx;
  }

  public void unsetEntityContext() {
    initCtx = null;
  }

  public CatalogPK ejbCreate(String cataId, String category, String name, String descn)
    throws CreateException {
    this.cataId = cataId;
    this.category = category;
    this.name = name;
    this.descn = descn;
    return null;
  }

  public void ejbPostCreate(String cataId, String category, String name, String descn){}

  public String getCataId() {
    return cataId;
  }

  public String getCategory() {
    return category;
  }

  public String getName() {
    return name;
  }

  public String getDescn() {
    return descn;
  }


  public void setCataId(String cataId) {
    this.cataId = cataId;
    setDirty(true);
  }

  public void setCategory(String category) {
    this.category = category;
    setDirty(true);
  }

  public void setName(String name) {
    this.name = name;
  }

  public void setDescn(String descn) {
    this.descn = descn;
    setDirty(true);
  }
}