cmp-ProductPK.java

package examples;

import java.io.Serializable;

/**

* Primary Key class for our 'Product' Container-Managed

* Entity Bean

*/

public class ProductPK implements java.io.Serializable {

/*

* Note that the primary key fields must be a

* subset of the the container-managed Bean fields.

* The fields we are marking as container-managed in

* our Bean are productID, name, desc, and basePrice.

* Therefore our PK fields need to be from that set.

*/

public String productID;

public ProductPK(String productID) {

this.productID = productID;

}

public ProductPK() {

}

public String toString() {

return productID.toString();

}

public int hashCode()

{

return productID.hashCode();

}

public boolean equals(Object prod)

{

return ((ProductPK)prod).productID.equals(productID);

}

}