| /* |
| * 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.carbondata.core.datastore.chunk.impl; |
| |
| import java.util.function.IntUnaryOperator; |
| |
| import org.apache.carbondata.core.constants.CarbonCommonConstants; |
| import org.apache.carbondata.core.datastore.chunk.store.DimensionChunkStoreFactory; |
| import org.apache.carbondata.core.datastore.chunk.store.DimensionChunkStoreFactory.DimensionStoreType; |
| import org.apache.carbondata.core.metadata.datatype.DataType; |
| import org.apache.carbondata.core.metadata.datatype.DataTypes; |
| import org.apache.carbondata.core.scan.result.vector.CarbonColumnVector; |
| import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo; |
| |
| /** |
| * This class is gives access to fixed length dimension data chunk store |
| */ |
| public class FixedLengthDimensionColumnPage extends AbstractDimensionColumnPage { |
| |
| /** |
| * Constructor |
| * |
| * @param dataChunk data chunk |
| * @param invertedIndex inverted index |
| * @param invertedIndexReverse reverse inverted index |
| * @param numberOfRows number of rows |
| * @param columnValueSize size of each column value |
| */ |
| public FixedLengthDimensionColumnPage(byte[] dataChunk, int[] invertedIndex, |
| int[] invertedIndexReverse, int numberOfRows, int columnValueSize, int dataLength) { |
| boolean isExplicitSorted = isExplicitSorted(invertedIndex); |
| long totalSize = isExplicitSorted ? |
| dataLength + (2 * numberOfRows * CarbonCommonConstants.INT_SIZE_IN_BYTE) : |
| dataLength; |
| dataChunkStore = DimensionChunkStoreFactory.INSTANCE |
| .getDimensionChunkStore(columnValueSize, isExplicitSorted, numberOfRows, totalSize, |
| DimensionStoreType.FIXED_LENGTH, null, false, dataLength); |
| dataChunkStore.putArray(invertedIndex, invertedIndexReverse, dataChunk); |
| } |
| |
| /** |
| * Constructor |
| * |
| * @param dataChunk data chunk |
| * @param invertedIndex inverted index |
| * @param invertedIndexReverse reverse inverted index |
| * @param numberOfRows number of rows |
| * @param columnValueSize size of each column value |
| * @param vectorInfo vector to be filled with decoded column page. |
| */ |
| public FixedLengthDimensionColumnPage(byte[] dataChunk, int[] invertedIndex, |
| int[] invertedIndexReverse, int numberOfRows, int columnValueSize, |
| ColumnVectorInfo vectorInfo, int dataLength) { |
| boolean isExplicitSorted = isExplicitSorted(invertedIndex); |
| long totalSize = isExplicitSorted ? |
| dataLength + (2 * numberOfRows * CarbonCommonConstants.INT_SIZE_IN_BYTE) : |
| dataLength; |
| dataChunkStore = DimensionChunkStoreFactory.INSTANCE |
| .getDimensionChunkStore(columnValueSize, isExplicitSorted, numberOfRows, totalSize, |
| DimensionStoreType.FIXED_LENGTH, null, vectorInfo != null, dataLength); |
| if (vectorInfo == null) { |
| dataChunkStore.putArray(invertedIndex, invertedIndexReverse, dataChunk); |
| } else { |
| dataChunkStore.fillVector(invertedIndex, invertedIndexReverse, dataChunk, vectorInfo); |
| } |
| } |
| |
| /** |
| * Below method will be used to fill the data based on offset and row id |
| * |
| * @param rowId row id of the chunk |
| * @param offset offset from which data need to be filed |
| * @param data data to filed |
| * @return how many bytes was copied |
| */ |
| @Override |
| public int fillRawData(int rowId, int offset, byte[] data) { |
| dataChunkStore.fillRow(rowId, data, offset); |
| return dataChunkStore.getColumnValueSize(); |
| } |
| |
| /** |
| * Converts to column dictionary integer value |
| * |
| * @param rowId |
| * @param chunkIndex |
| * @param outputSurrogateKey |
| * @return |
| */ |
| @Override |
| public int fillSurrogateKey(int rowId, int chunkIndex, int[] outputSurrogateKey) { |
| outputSurrogateKey[chunkIndex] = dataChunkStore.getSurrogate(rowId); |
| return chunkIndex + 1; |
| } |
| |
| private int fillVector(ColumnVectorInfo[] vectorInfo, int chunkIndex, |
| IntUnaryOperator function) { |
| ColumnVectorInfo columnVectorInfo = vectorInfo[chunkIndex]; |
| int offset = columnVectorInfo.offset; |
| int vectorOffset = columnVectorInfo.vectorOffset; |
| int len = columnVectorInfo.size + offset; |
| CarbonColumnVector vector = columnVectorInfo.vector; |
| for (int j = offset; j < len; j++) { |
| int dict = dataChunkStore.getSurrogate(function.applyAsInt(j)); |
| if (columnVectorInfo.directDictionaryGenerator == null) { |
| vector.putInt(vectorOffset++, dict); |
| } else { |
| Object valueFromSurrogate = |
| columnVectorInfo.directDictionaryGenerator.getValueFromSurrogate(dict); |
| if (valueFromSurrogate == null) { |
| vector.putNull(vectorOffset++); |
| } else { |
| DataType dataType = columnVectorInfo.directDictionaryGenerator.getReturnType(); |
| if (dataType == DataTypes.INT) { |
| vector.putInt(vectorOffset++, (int) valueFromSurrogate); |
| } else if (dataType == DataTypes.LONG) { |
| vector.putLong(vectorOffset++, (long) valueFromSurrogate); |
| } else { |
| throw new IllegalArgumentException("unsupported data type: " + |
| columnVectorInfo.directDictionaryGenerator.getReturnType()); |
| } |
| } |
| } |
| } |
| return chunkIndex + 1; |
| } |
| |
| |
| /** |
| * Fill the data to vector |
| * |
| * @param vectorInfo |
| * @param chunkIndex |
| * @return next column index |
| */ |
| @Override |
| public int fillVector(ColumnVectorInfo[] vectorInfo, int chunkIndex) { |
| return fillVector(vectorInfo, chunkIndex, j -> j); |
| } |
| |
| /** |
| * Fill the data to vector |
| * |
| * @param filteredRowId |
| * @param vectorInfo |
| * @param chunkIndex |
| * @return next column index |
| */ |
| @Override |
| public int fillVector(int[] filteredRowId, ColumnVectorInfo[] vectorInfo, |
| int chunkIndex) { |
| return fillVector(vectorInfo, chunkIndex, j -> filteredRowId[j]); |
| } |
| } |