/*
* 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.flink.api.java.sampling;
import org.apache.flink.annotation.Internal;
/**
* The data structure which is transferred between partitions and the coordinator for distributed
* random sampling.
*
* @param <T> The type of sample data.
*/
@Internal
public class IntermediateSampleData<T> implements Comparable<IntermediateSampleData<T>> {
private double weight;
private T element;
public IntermediateSampleData(double weight, T element) {
this.weight = weight;
this.element = element;
}
public double getWeight() {
return weight;
}
public T getElement() {
return element;
}
@Override
public int compareTo(IntermediateSampleData<T> other) {
return this.weight >= other.getWeight() ? 1 : -1;
}
}