AggregationFunction.java

/* Copyright 2012 Thorben Lindhauer
 * 
 * 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 de.unipotsdam.hpi.thorben.ppi.measure.process;

import java.util.List;

import de.unipotsdam.hpi.thorben.ppi.measure.instance.entity.BaseMeasureInstance;

/**
 * This is a generic interface that can be implemented for different types of
 * Number sand BaseMeasureInstances as a different types of
 * {@link BaseMeasureInstance}s may return different {@link Number} types as
 * results.
 * 
 * @author Thorben
 * 
 * @param <T>
 * @param <K>
 */
public interface AggregationFunction<T extends Number, K extends BaseMeasureInstance> {

	T calculate(List<K> baseMeasureValues);
}