Example Entity EJB Primary Key for EJB 1.1

[Alex Cachia]

Does this look like a valid Entity EJB Primary Key for EJB 1.1  Each time I try
to create an entity with a key like this I get a NullPointerException.

If anyone has a valid (it's worked before) Entity EJB Primary Key for EJB 1.1
I'd appreciate the example code.

Regard,

Alex
--------- begin code ---------

import java.io.Serializable;

public class PrimaryKey implements Serializable {

  public String uid = null;
  public String cid = null;

  public PrimaryKey(String uk, String ck) {
    uid = new String(uk);
    cid = new String(ck);
  }

  public String toString() {
    return uid.toString();
  }

  public int hashCode() {
    return uid.hashCode();
  }

  public boolean equals(Object other) {
    return uid.equals(other);
  }
}

--------- end code ---------

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