org.apache.hadoop.util.VersionUtil 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.hadoop.util;
import org.apache.hadoop.classification.InterfaceAudience;
/**
* A wrapper class to maven's ComparableVersion class, to comply
* with maven's version name string convention
*/
@InterfaceAudience.Private
public abstract class VersionUtil {
/**
* Compares two version name strings using maven's ComparableVersion class.
*
* @param version1
* the first version to compare
* @param version2
* the second version to compare
* @return a negative integer if version1 precedes version2, a positive
* integer if version2 precedes version1, and 0 if and only if the two
* versions are equal.
*/
public static int compareVersions(String version1, String version2) {
ComparableVersion v1 = new ComparableVersion(version1);
ComparableVersion v2 = new ComparableVersion(version2);
return v1.compareTo(v2);
}
}