Util.java example

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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.pig.piggybank.evaluation.math;

import java.util.ArrayList;
import java.util.List;

import org.apache.pig.FuncSpec;
import org.apache.pig.impl.logicalLayer.schema.Schema;
/**
* base class for math udfs
*/
public class Util{
     static void addToFunctionList (List<FuncSpec> funcList, String className, byte type){
        List<Schema.FieldSchema> fields = new ArrayList<Schema.FieldSchema>();
        fields.add (new Schema.FieldSchema(null, type));
        fields.add (new Schema.FieldSchema(null, type));
        funcList.add(new FuncSpec(className, new Schema(fields)));
     }

}