/*
* 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.conf;
import org.apache.openjpa.lib.util.StringUtil;
/**
* A double {@link Value}.
*
* @author Marc Prud'hommeaux
*/
public class DoubleValue extends Value {
private double value;
public DoubleValue(String prop) {
super(prop);
}
public Class<Double> getValueType() {
return double.class;
}
/**
* The internal value.
*/
public void set(double value) {
assertChangeable();
double oldValue = this.value;
this.value = value;
if (oldValue != value)
valueChanged();
}
/**
* The internal value.
*/
public Double get() {
return value;
}
protected String getInternalString() {
return String.valueOf(value);
}
protected void setInternalString(String val) {
if (StringUtil.isEmpty(val))
set(0D);
else
set(Double.parseDouble(val));
}
protected void setInternalObject(Object obj) {
if (obj == null)
set(0D);
else
set(((Number) obj).doubleValue());
}
}