/**
* 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.hive.ql.udf;
import org.apache.hadoop.hive.ql.exec.Description;
import org.apache.hadoop.hive.ql.exec.UDF;
/**
* A UDF for testing, which evaluates the length of a string. This UDF uses Java
* Primitive classes for parameters.
*/
@Description(name = "testlength2",
value = "_FUNC_(col) - UDF evaluates the length of the string and returns value as Java Integer")
public class UDFTestLength2 extends UDF {
public Integer evaluate(String s) {
if (s == null) {
return null;
}
return Integer.valueOf(s.length());
}
}