org.apache.inlong.sort.filesystem.shaded.com.amazonaws.util.ComparableUtils Maven / Gradle / Ivy
/*
* Copyright 2015-2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 com.amazonaws.util;
public class ComparableUtils {
/**
* Does a safe comparison of two {@link Comparable} objects accounting for nulls
*
* @param d1
* First object
* @param d2
* Second object
* @return A positive number if the object double is larger, a negative number if the second
* object is larger, or 0 if they are equal. Null is considered less than any non-null
* value
*/
public static int safeCompare(Comparable d1, T d2) {
if (d1 != null && d2 != null) {
return d1.compareTo(d2);
} else if (d1 == null && d2 != null) {
return -1;
} else if (d1 != null && d2 == null) {
return 1;
} else {
return 0;
}
}
}