lineitempk.java

《J2EE企业级应用开发》一书的配套源代码

//Source file: H:\\book\\case\\com\\j2eeapp\\cdstore\\LineItem.java

package com.j2eeapp.cdstore.order;
public class LineItemPK implements java.io.Serializable
{
	public String orderId,lineNum;
	public LineItemPK(String orderId,String lineNum)
	{
		this.orderId=orderId;
		this.lineNum=lineNum;
	}
	public boolean equals(LineItemPK lineItem)
	{
		return orderId.equals(lineItem.orderId)&&lineNum.equals(lineItem.lineNum);
	}
	public String toHashCode()
	{
		return orderId+"_"+lineNum;
	}
	
}