package brickhouse.udf.sanity;
/**
* Copyright 2012 Klout, Inc
*
* Licensed 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.
*
**/
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.log4j.Logger;
public class AssertEqualsUDF extends UDF {
private static final Logger LOG = Logger.getLogger(AssertEqualsUDF.class);
public String evaluate(Double val1, Double val2) {
if (val1 == null || val2 == null) {
LOG.error(" Null values found :: " + val1 + " == " + val2);
System.err.println(" Null values found :: " + val1 + " == " + val2);
throw new RuntimeException(" Null values found :: " + val1 + " == " + val2);
}
if (!val1.equals(val2)) {
LOG.error(" Assertion Not Met :: ! ( " + val1 + " == " + val2 + " ) ");
System.err.println(" Assertion Not Met :: ! ( " + val1 + " == " + val2 + " ) ");
throw new RuntimeException(" Assertion Not Met :: ! ( " + val1 + " == " + val2 + " ) ");
} else {
return val1.toString() + " == " + val2.toString();
}
}
}