/**
* 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.ComparisonOpMethodResolver;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.hive.serde2.io.DoubleWritable;
import org.apache.hadoop.io.BooleanWritable;
/**
* UDFBaseCompare.
*
*/
public abstract class UDFBaseCompare extends UDF {
/**
* This constructor sets the resolver to be used for comparison operators. See
* {@link org.apache.hadoop.hive.ql.exec.UDFMethodResolver}
*/
public UDFBaseCompare() {
super(null);
setResolver(new ComparisonOpMethodResolver(this.getClass()));
}
public abstract BooleanWritable evaluate(DoubleWritable a, DoubleWritable b);
}