| /* |
| * 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.common.typeutils.base.array; |
| |
| import static java.lang.Math.min; |
| |
| import org.apache.flink.annotation.Internal; |
| import org.apache.flink.api.common.typeutils.TypeComparator; |
| import org.apache.flink.api.common.typeutils.base.ShortComparator; |
| |
| @Internal |
| public class ShortPrimitiveArrayComparator extends PrimitiveArrayComparator<short[], ShortComparator> { |
| public ShortPrimitiveArrayComparator(boolean ascending) { |
| super(ascending, new ShortComparator(ascending)); |
| } |
| |
| @Override |
| public int hash(short[] record) { |
| int result = 0; |
| for (short field : record) { |
| result += (int) field; |
| } |
| return result; |
| } |
| |
| @Override |
| public int compare(short[] first, short[] second) { |
| for (int x = 0; x < min(first.length, second.length); x++) { |
| int cmp = first[x] - second[x]; |
| if (cmp != 0) { |
| return ascending ? cmp : -cmp; |
| } |
| } |
| int cmp = first.length - second.length; |
| return ascending ? cmp : -cmp; |
| } |
| |
| @Override |
| public TypeComparator<short[]> duplicate() { |
| ShortPrimitiveArrayComparator dupe = new ShortPrimitiveArrayComparator(this.ascending); |
| dupe.setReference(this.reference); |
| return dupe; |
| } |
| } |