org.apache.openjpa.lib.identifier.IdentifierImpl Maven / Gradle / Ivy
/*
* 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.lib.identifier;
import java.io.Serializable;
/**
* Base identifer implementation.
*/
public class IdentifierImpl implements Identifier, Serializable {
private String _name = null;
protected IdentifierImpl() {}
public IdentifierImpl(String name) {
setName(name);
}
public void setName(String name) {
_name = name;
}
public String getName() {
return _name;
}
public String toString() {
return getName();
}
public int hashCode() {
if (_name == null) {
return super.hashCode();
}
return _name.toUpperCase().hashCode();
}
public int length() {
if (getName() == null) {
return 0;
}
return getName().length();
}
public int compareTo(Identifier o) {
if (_name == null && (o == null || o.getName() == null)) {
return 0;
}
if (_name == null)
return 1;
if (o == null || o.getName() == null)
return -1;
return _name.compareTo(o.getName());
}
}