stockbean.java

weblogic应用全实例

//定义本类在包examples.ejb.extensions.readMostly中
package examples.ejb.extensions.readMostly;
//本类用到的其他类。javax.ejb.*是开发EJB应用需要的类库。
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;

/**
 * StockBean是只读实体Bean。这个EJBean和StockWriterBean一起使用演示怎样提供数据的只读访问
 */

public class StockBean implements EntityBean {

  // 容器管理的属性

  public String symbol;
  public double price;
  public double yearHigh;
  public double yearLow;
  public long   volume;
  
  public void setEntityContext(EntityContext c) {}
  public void unsetEntityContext() {}

  public void ejbActivate() {}
  public void ejbPassivate() {}
  
  public void ejbLoad() {}
  public void ejbStore() {}

  public void ejbRemove() {}
  
  //远程方法实现
  public String getSymbol() { return symbol; }

  public double getPrice() { return price; }

  public double get52weekHigh() { return yearHigh; }
  
  public double get52weekLow() { return yearLow; }

  public long getVolume() { return volume; }


}