Author: jleroux
Date: Wed Mar 8 21:27:30 2017 New Revision: 1786079 URL: http://svn.apache.org/viewvc?rev=1786079&view=rev Log: Fixed: compareBigDecimals in org.ofbiz.minilang.method.conditional.Compare does not compare certain values correctly (OFBIZ-6386) compareBigDecimals scales down and rounds up meaning you lose information and the comparison result is not as expected Thanks: Gareth Carter for the patch, Mridul Pathak and Jacopo for discussing the topic in all details (see the Jira issue) Modified: ofbiz/ofbiz-framework/trunk/framework/minilang/src/main/java/org/apache/ofbiz/minilang/method/conditional/Compare.java Modified: ofbiz/ofbiz-framework/trunk/framework/minilang/src/main/java/org/apache/ofbiz/minilang/method/conditional/Compare.java URL: http://svn.apache.org/viewvc/ofbiz/ofbiz-framework/trunk/framework/minilang/src/main/java/org/apache/ofbiz/minilang/method/conditional/Compare.java?rev=1786079&r1=1786078&r2=1786079&view=diff ============================================================================== --- ofbiz/ofbiz-framework/trunk/framework/minilang/src/main/java/org/apache/ofbiz/minilang/method/conditional/Compare.java (original) +++ ofbiz/ofbiz-framework/trunk/framework/minilang/src/main/java/org/apache/ofbiz/minilang/method/conditional/Compare.java Wed Mar 8 21:27:30 2017 @@ -18,8 +18,6 @@ *******************************************************************************/ package org.apache.ofbiz.minilang.method.conditional; -import java.math.BigDecimal; -import java.math.RoundingMode; import java.util.Collection; import java.util.Collections; import java.util.HashMap; @@ -49,18 +47,6 @@ public abstract class Compare { } } - private static int compareBigDecimals(BigDecimal lBigDecimal, BigDecimal rBigDecimal) { - // Developers: Do not change this. We are comparing two fixed-point decimal numbers, - // not performing accounting calculations - so it is okay to specify the rounding mode. - int decimals = lBigDecimal.scale(); - if (rBigDecimal.scale() < decimals) { - lBigDecimal = lBigDecimal.setScale(rBigDecimal.scale(), RoundingMode.UP); - } else if (decimals < rBigDecimal.scale()) { - rBigDecimal = rBigDecimal.setScale(decimals, RoundingMode.UP); - } - return lBigDecimal.compareTo(rBigDecimal); - } - private static Map<String, Compare> createInstanceMap() { Map<String, Compare> writableMap = new HashMap<String, Compare>(10); writableMap.put("contains", new CompareContains()); @@ -132,12 +118,6 @@ public abstract class Compare { if (convertedRvalue == null) { return false; } - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) == 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); @@ -154,12 +134,6 @@ public abstract class Compare { Object convertedLvalue = MiniLangUtil.convertType(lValue, type, locale, timeZone, format); Object convertedRvalue = MiniLangUtil.convertType(rValue, type, locale, timeZone, format); assertValuesNotNull(convertedLvalue, convertedRvalue); - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) > 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); @@ -176,12 +150,6 @@ public abstract class Compare { Object convertedLvalue = MiniLangUtil.convertType(lValue, type, locale, timeZone, format); Object convertedRvalue = MiniLangUtil.convertType(rValue, type, locale, timeZone, format); assertValuesNotNull(convertedLvalue, convertedRvalue); - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) >= 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); @@ -225,12 +193,6 @@ public abstract class Compare { Object convertedLvalue = MiniLangUtil.convertType(lValue, type, locale, timeZone, format); Object convertedRvalue = MiniLangUtil.convertType(rValue, type, locale, timeZone, format); assertValuesNotNull(convertedLvalue, convertedRvalue); - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) < 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); @@ -247,12 +209,6 @@ public abstract class Compare { Object convertedLvalue = MiniLangUtil.convertType(lValue, type, locale, timeZone, format); Object convertedRvalue = MiniLangUtil.convertType(rValue, type, locale, timeZone, format); assertValuesNotNull(convertedLvalue, convertedRvalue); - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) <= 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); @@ -274,12 +230,6 @@ public abstract class Compare { if (convertedRvalue == null) { return true; } - if (convertedLvalue instanceof BigDecimal && - convertedRvalue instanceof BigDecimal) { - BigDecimal lBigDecimal = (BigDecimal) convertedLvalue; - BigDecimal rBigDecimal = (BigDecimal) convertedRvalue; - return compareBigDecimals(lBigDecimal, rBigDecimal) != 0; - } if (convertedLvalue instanceof Comparable && convertedRvalue instanceof Comparable) { Comparable<Object> comparable = UtilGenerics.cast(convertedLvalue); |
Free forum by Nabble | Edit this page |