| /* |
| * 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.builtin; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.math.MathContext; |
| |
| /** |
| * Max and min seeds cannot be defined to BigDecimal as the value could go as large as |
| * The computer allows. This wrapper is used to provide seed for MIN and MAX functions |
| * in AlgrebraicBigDecimalMathBase.java |
| */ |
| |
| public class BigDecimalWrapper extends BigDecimal { |
| private static final long serialVersionUID = 1L; |
| |
| private enum BigDecimalInfinity { |
| NEGATIVE_INFINITY, |
| POSITIVE_INFINITY |
| } |
| |
| private BigDecimalInfinity infinity; |
| |
| // BigDecimal constructors initialized to keep compiler happy |
| public BigDecimalWrapper(BigInteger val) { |
| super(val); |
| } |
| |
| public BigDecimalWrapper(BigInteger unscaledVal, int scale) { |
| super(unscaledVal, scale); |
| } |
| |
| public BigDecimalWrapper(BigInteger unscaledVal, int scale, MathContext mc) { |
| super(unscaledVal, scale, mc); |
| } |
| |
| public BigDecimalWrapper(BigInteger val, MathContext mc) { |
| super(val, mc); |
| } |
| |
| public BigDecimalWrapper(char[] in) { |
| super(in); |
| } |
| |
| public BigDecimalWrapper(char[] in, int offset, int len) { |
| super(in, offset, len); |
| |
| } |
| |
| public BigDecimalWrapper(char[] in, int offset, int len, MathContext mc) { |
| super(in, offset, len, mc); |
| } |
| |
| public BigDecimalWrapper(char[] in, MathContext mc) { |
| super(in, mc); |
| } |
| |
| public BigDecimalWrapper(double val) { |
| super(val); |
| } |
| |
| public BigDecimalWrapper(double val, MathContext mc) { |
| super(val, mc); |
| } |
| |
| public BigDecimalWrapper(int val) { |
| super(val); |
| } |
| |
| public BigDecimalWrapper(int val, MathContext mc) { |
| super(val,mc); |
| } |
| |
| public BigDecimalWrapper(long val) { |
| super(val); |
| } |
| |
| public BigDecimalWrapper(long val, MathContext mc) { |
| super(val, mc); |
| } |
| |
| public BigDecimalWrapper(String val) { |
| super(val); |
| } |
| |
| public BigDecimalWrapper(String val, MathContext mc) { |
| super(val, mc); |
| } |
| |
| private BigDecimalWrapper(BigDecimalInfinity in) { |
| super(0); |
| infinity = in; |
| } |
| |
| public boolean isPositiveInfinity() { |
| return (infinity==BigDecimalInfinity.POSITIVE_INFINITY); |
| } |
| |
| public boolean isNegativeInfinity() { |
| return (infinity==BigDecimalInfinity.NEGATIVE_INFINITY); |
| } |
| |
| static public BigDecimalWrapper NEGATIVE_INFINITY() { |
| return new BigDecimalWrapper(BigDecimalInfinity.NEGATIVE_INFINITY); |
| } |
| |
| static public BigDecimalWrapper POSITIVE_INFINITY() { |
| return new BigDecimalWrapper(BigDecimalInfinity.POSITIVE_INFINITY); |
| } |
| } |