hellobean.java

精通EJB3.0一书的全部随书实例的源代码。

package examples;

import javax.ejb.SessionContext;

/**
 * Demonstration stateless session bean.
 *
 * @ejb.bean
 *     name="HelloWorld"
 *     type="Stateless"
 *     jndi-name="HelloHome"
 *
 * @ejb.interface
 *     remote-class="examples.Hello"
 *     local-class="examples.HelloLocal"
 *
 * @ejb.home
 *     remote-class="examples.HelloHome"
 *     local-class="examples.HelloLocalHome"
 *
 */
public class HelloBean implements javax.ejb.SessionBean
{
    //
    // EJB-required methods
    //
    public void ejbCreate()
    {
        System.out.println("ejbCreate()");
    }

    public void ejbRemove()
    {
        System.out.println("ejbRemove()");
    }

    public void ejbActivate()
    {
        System.out.println("ejbActivate()");
    }

    public void ejbPassivate()
    {
        System.out.println("ejbPassivate()");
    }

    public void setSessionContext(SessionContext ctx)
    {
        System.out.println("setSessionContext()");
    }

    //
    // Business methods
    //
    public String hello()
    {
        System.out.println("hello()");
        return "Hello, World!";
    }
}