taskbean.java

来自「关于的ｊａｖａ的多媒体课件」· Java 代码 · 共 56 行

package com.mydomain.ejb;

import java.util.*;
import javax.ejb.*;

public abstract class TaskBean implements EntityBean {
	private EntityContext ctx;
	
	public String ejbCreate(String name) throws CreateException {
		System.out.println("Creating Task " + name);
		setName(name);
		return null;
	}
	
	public void ejbPostCreate(String name) {}
	
	public String ejbCreate(String name, Set employees) throws CreateException {
		System.out.println("Creating Task " + name);
		setName(name);
		return null;
	}
	
	public void ejbPostCreate(String name, Set employees) {
		setEmployees(employees);
	}
	
	// CMP field accessors -----------------------------------------------------
	public abstract String getName();
	
	public abstract void setName(String name);
	
	//abstract accessors for cmr-field
	public abstract Collection getEmployees();
	
	public abstract void setEmployees(Collection employees);
	
	
	// EJB callbacks -----------------------------------------------------------
	public void setEntityContext(EntityContext context) {
		ctx = context;
	}
	
	public void unsetEntityContext() {
		ctx = null;
	}
	
	public void ejbActivate() { }
	
	public void ejbPassivate() { }
	
	public void ejbRemove() { System.out.println("Removing " + getName()); }
	
	public void ejbStore() { }
	
	public void ejbLoad() {}
}