/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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 storm.trident.operation.builtin;
/**
* This aggregator computes the minimum of aggregated tuples in a stream. It assumes that the tuple has one value and
* it is an instance of {@code Comparable}.
*
*/
public class Min extends ComparisonAggregator<Comparable<Object>> {
public Min(String inputFieldName) {
super(inputFieldName);
}
@Override
protected Comparable<Object> compare(Comparable<Object> value1, Comparable<Object> value2) {
return value1.compareTo(value2) < 0 ? value1 : value2;
}
}