org.apache.flink.runtime.operators.sort.IndexedSortable Maven / Gradle / Ivy
/*
* 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.runtime.operators.sort;
/**
*/
public interface IndexedSortable {
/**
* Compare items at the given addresses consistent with the semantics of
* {@link java.util.Comparator#compare(Object, Object)}.
*/
int compare(int i, int j);
/**
* Swap items at the given addresses.
*/
void swap(int i, int j);
/**
* Gets the number of elements in the sortable.
*
* @return The number of elements.
*/
int size();
}