/* | |
* 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; | |
import javax.persistence.Entity; | |
/** | |
* Abstract subclass that defines one more primary key field than its | |
* abstract superclass. | |
* | |
* @author <a href="mailto:marc@solarmetric.com">Marc Prud'hommeaux</a> | |
*/ | |
@Entity | |
public abstract class AppIdSubB | |
extends AppIdSubA { | |
private String pkb; | |
private String stringFieldB; | |
public void setStringFieldB(String stringFieldB) { | |
this.stringFieldB = stringFieldB; | |
} | |
public String getStringFieldB() { | |
return this.stringFieldB; | |
} | |
public void setPkb(String pkb) { | |
this.pkb = pkb; | |
} | |
public String getPkb() { | |
return this.pkb; | |
} | |
public static abstract class ID | |
extends AppIdSubA.ID { | |
public String pkb; | |
public ID() { | |
super(); | |
} | |
public ID(String str) { | |
super(); | |
fromString(str); | |
} | |
public int hashCode() { | |
return (super.hashCode() + (pkb == null ? 0 : pkb.hashCode())) | |
% Integer.MAX_VALUE; | |
} | |
public boolean equals(Object other) { | |
return super.equals(other) | |
&& ((ID) other).pkb == null ? pkb == null | |
: ((ID) other).pkb.equals(pkb); | |
} | |
public String toString() { | |
return super.toString() + DELIMITER + pkb; | |
} | |
StringTokenizer fromString(String idString) { | |
StringTokenizer tok = super.fromString(idString); | |
pkb = tok.nextToken(); | |
return tok; // return the tokenizer for subclasses to use | |
} | |
} | |
} |