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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.term.int_;
import tools.refinery.store.query.term.StatelessAggregator;
public final class IntSumAggregator implements StatelessAggregator<Integer, Integer> {
public static final IntSumAggregator INSTANCE = new IntSumAggregator();
private IntSumAggregator() {
}
@Override
public Class<Integer> getResultType() {
return Integer.class;
}
@Override
public Class<Integer> getInputType() {
return Integer.class;
}
@Override
public Integer getEmptyResult() {
return 0;
}
@Override
public Integer add(Integer current, Integer value) {
return current + value;
}
@Override
public Integer remove(Integer current, Integer value) {
return current - value;
}
}
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