/**
* Copyright 2011 Link Intersystems GmbH <rene.link@link-intersystems.com>
*
* Licensed 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 com.link_intersystems.math;
import java.math.BigDecimal;
/**
* A {@link Sum} with a {@link BigDecimal} precision.
*
* @author René Link <a
* href="mailto:rene.link@link-intersystems.com">[rene.link@link-
* intersystems.com]</a>
* @since 1.2.0.0
*
*/
public class BigDecimalSum extends AbstractBigDecimalAggregate implements
Sum<BigDecimal> {
private BigDecimal sum = BigDecimal.ZERO;
/**
*
* @inherited
*
* @since 1.2.0.0.
*/
public BigDecimal getValue() {
return sum;
}
@Override
protected boolean doAddValue(BigDecimal valueToAdd) {
if (valueToAdd.compareTo(BigDecimal.ZERO) == 0) {
return false;
}
sum = sum.add(valueToAdd);
return true;
}
}