| /* |
| * 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.spark.sql.secondaryindex.load; |
| |
| import java.util.Comparator; |
| |
| import org.apache.carbondata.core.metadata.datatype.DataType; |
| import org.apache.carbondata.core.util.ByteUtil.UnsafeComparer; |
| import org.apache.carbondata.core.util.DataTypeUtil; |
| import org.apache.carbondata.core.util.comparator.SerializableComparator; |
| |
| /** |
| * This class is for comparing the two mdkeys in no kettle flow. |
| */ |
| public class RowComparatorWithOutKettle implements Comparator<Object[]> { |
| |
| /** |
| * noDictionaryColMaping mapping of dictionary dimensions and no dictionary dimensions. |
| */ |
| private boolean[] noDictionaryColMaping; |
| |
| private DataType[] noDicDataTypes; |
| |
| public RowComparatorWithOutKettle(boolean[] noDictionaryColMaping, DataType[] noDicDataTypes) { |
| this.noDictionaryColMaping = noDictionaryColMaping; |
| this.noDicDataTypes = noDicDataTypes; |
| } |
| |
| /** |
| * Below method will be used to compare two mdkeys |
| */ |
| public int compare(Object[] rowA, Object[] rowB) { |
| int diff = 0; |
| int index = 0; |
| int noDictionaryIndex = 0; |
| int dataTypeIdx = 0; |
| int[] leftMdkArray = (int[]) rowA[0]; |
| int[] rightMdkArray = (int[]) rowB[0]; |
| Object[] leftNonDictArray = (Object[]) rowA[1]; |
| Object[] rightNonDictArray = (Object[]) rowB[1]; |
| for (boolean isNoDictionary : noDictionaryColMaping) { |
| if (isNoDictionary) { |
| if (DataTypeUtil.isPrimitiveColumn(noDicDataTypes[dataTypeIdx])) { |
| // use data types based comparator for the no dictionary measure columns |
| SerializableComparator comparator = org.apache.carbondata.core.util.comparator.Comparator |
| .getComparator(noDicDataTypes[dataTypeIdx]); |
| int difference = comparator |
| .compare(leftNonDictArray[noDictionaryIndex], rightNonDictArray[noDictionaryIndex]); |
| if (difference != 0) { |
| return difference; |
| } |
| } else { |
| diff = UnsafeComparer.INSTANCE.compareTo((byte[]) leftNonDictArray[noDictionaryIndex], |
| (byte[]) rightNonDictArray[noDictionaryIndex]); |
| if (diff != 0) { |
| return diff; |
| } |
| } |
| noDictionaryIndex++; |
| dataTypeIdx++; |
| } else { |
| diff = leftMdkArray[index] - rightMdkArray[index]; |
| if (diff != 0) { |
| return diff; |
| } |
| index++; |
| } |
| |
| } |
| return diff; |
| } |
| } |