/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */
package org.apache.openjpa.persistence.kernel.common.apps;

import java.util.StringTokenizer;

/**
 * Abstract subclass that defines one more primary key field than its
 * abstract superclass.
 *
 * @author <a href="mailto:marc@solarmetric.com">Marc Prud'hommeaux</a>
 */
public abstract class AppIdSubA
    extends AppIdSuper {

    private int pka;
    private String stringFieldA;

    public void setPka(int pka) {
        this.pka = pka;
    }

    public int getPka() {
        return this.pka;
    }

    public void setStringFieldA(String stringFieldA) {
        this.stringFieldA = stringFieldA;
    }

    public String getStringFieldA() {
        return this.stringFieldA;
    }

    public static abstract class ID
        extends AppIdSuper.ID {

        public int pka;

        public ID() {
            super();
        }

        public ID(String str) {
            super();
            fromString(str);
        }

        public int hashCode() {
            return (super.hashCode() + pka) % Integer.MAX_VALUE;
        }

        public boolean equals(Object other) {
            return super.equals(other)
                && ((ID) other).pka == pka;
        }

        public String toString() {
            return super.toString() + DELIMITER + pka;
        }

        StringTokenizer fromString(String idString) {
            StringTokenizer tok = super.fromString(idString);
            pka = new Integer(tok.nextToken()).intValue();
            return tok; // return the tokenizer for subclasses to use
        }
    }
}