org.apache.hadoop.hive.ql.udf.UDFOPMod.java Source code

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Here is the source code for org.apache.hadoop.hive.ql.udf.UDFOPMod.java

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/**
 * 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.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hive.ql.exec.UDF;

public class UDFOPMod extends UDF {

    private static Log LOG = LogFactory.getLog("org.apache.hadoop.hive.ql.udf.UDFOPMod");

    public UDFOPMod() {
    }

    public Byte evaluate(Byte a, Byte b) {
        // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":" + b);
        if ((a == null) || (b == null))
            return null;

        return Byte.valueOf((byte) (a % b));
    }

    public Integer evaluate(Integer a, Integer b) {
        // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":" + b);
        if ((a == null) || (b == null))
            return null;

        return Integer.valueOf((int) (a % b));
    }

    public Long evaluate(Long a, Long b) {
        // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":" + b);
        if ((a == null) || (b == null))
            return null;

        return Long.valueOf((long) (a % b));
    }

    public Float evaluate(Float a, Float b) {
        // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":" + b);
        if ((a == null) || (b == null))
            return null;

        return Float.valueOf((float) (a % b));
    }

    public Double evaluate(Double a, Double b) {
        // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":" + b);
        if ((a == null) || (b == null))
            return null;

        return Double.valueOf((double) (a % b));
    }
}