| /* |
| * 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.scan.complextypes; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Map; |
| |
| import org.apache.carbondata.core.datastore.chunk.DimensionColumnPage; |
| import org.apache.carbondata.core.datastore.chunk.impl.DimensionRawColumnChunk; |
| import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension; |
| import org.apache.carbondata.core.scan.filter.GenericQueryType; |
| import org.apache.carbondata.core.scan.processor.RawBlockletColumnChunks; |
| import org.apache.carbondata.core.util.DataTypeUtil; |
| |
| public class ArrayQueryType extends ComplexQueryType implements GenericQueryType { |
| |
| private GenericQueryType children; |
| |
| public ArrayQueryType(String name, String parentName, int columnIndex) { |
| super(name, parentName, columnIndex); |
| } |
| |
| @Override |
| public void addChildren(GenericQueryType children) { |
| if (this.getName().equals(children.getParentName())) { |
| this.children = children; |
| } else { |
| this.children.addChildren(children); |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public String getParentName() { |
| return parentName; |
| } |
| |
| @Override |
| public void setParentName(String parentName) { |
| this.parentName = parentName; |
| |
| } |
| |
| public void parseBlocksAndReturnComplexColumnByteArray(DimensionRawColumnChunk[] rawColumnChunks, |
| DimensionColumnPage[][] dimensionColumnPages, int rowNumber, int pageNumber, |
| DataOutputStream dataOutputStream) throws IOException { |
| byte[] input = copyBlockDataChunk(rawColumnChunks, dimensionColumnPages, rowNumber, pageNumber); |
| ByteBuffer byteArray = ByteBuffer.wrap(input); |
| int dataLength = byteArray.getInt(); |
| dataOutputStream.writeInt(dataLength); |
| if (dataLength > 0) { |
| int dataOffset = byteArray.getInt(); |
| for (int i = 0; i < dataLength; i++) { |
| children.parseBlocksAndReturnComplexColumnByteArray(rawColumnChunks, dimensionColumnPages, |
| dataOffset++, pageNumber, dataOutputStream); |
| } |
| } |
| } |
| |
| @Override |
| public int getColsCount() { |
| return children.getColsCount() + 1; |
| } |
| |
| @Override |
| public void fillRequiredBlockData(RawBlockletColumnChunks blockChunkHolder) |
| throws IOException { |
| readBlockDataChunk(blockChunkHolder); |
| children.fillRequiredBlockData(blockChunkHolder); |
| } |
| |
| @Override |
| public Object getDataBasedOnDataType(ByteBuffer dataBuffer) { |
| Object[] data = fillData(dataBuffer); |
| if (data == null) { |
| return null; |
| } |
| return DataTypeUtil.getDataTypeConverter().wrapWithGenericArrayData(data); |
| } |
| |
| protected Object[] fillData(ByteBuffer dataBuffer) { |
| int dataLength = dataBuffer.getInt(); |
| if (dataLength == -1) { |
| return null; |
| } |
| Object[] data = new Object[dataLength]; |
| for (int i = 0; i < dataLength; i++) { |
| data[i] = children.getDataBasedOnDataType(dataBuffer); |
| } |
| return data; |
| } |
| |
| @Override |
| public Object getDataBasedOnColumn(ByteBuffer dataBuffer, CarbonDimension parent, |
| CarbonDimension child) { |
| throw new UnsupportedOperationException("Operation Unsupported for ArrayType"); |
| } |
| |
| @Override |
| public Object getDataBasedOnColumnList(Map<CarbonDimension, ByteBuffer> childBuffer, |
| CarbonDimension presentColumn) { |
| throw new UnsupportedOperationException("Operation Unsupported for ArrayType"); |
| } |
| |
| public int[][] getNumberOfChild(DimensionRawColumnChunk[] rawColumnChunks, |
| DimensionColumnPage[][] dimensionColumnPages, int numberOfRows, int pageNumber) { |
| DimensionColumnPage page = |
| getDecodedDimensionPage(dimensionColumnPages, rawColumnChunks[columnIndex], pageNumber); |
| int[][] numberOfChild = new int[numberOfRows][2]; |
| for (int i = 0; i < numberOfRows; i++) { |
| byte[] input = page.getChunkData(i); |
| ByteBuffer wrap = ByteBuffer.wrap(input); |
| int[] metadata = new int[2]; |
| metadata[0] = wrap.getInt(); |
| if (metadata[0] > 0) { |
| metadata[1] = wrap.getInt(); |
| } |
| numberOfChild[i] = metadata; |
| } |
| return numberOfChild; |
| } |
| |
| public DimensionColumnPage parseBlockAndReturnChildData(DimensionRawColumnChunk[] rawColumnChunks, |
| DimensionColumnPage[][] dimensionColumnPages, int pageNumber) { |
| PrimitiveQueryType queryType = (PrimitiveQueryType) children; |
| return queryType.getDecodedDimensionPage( |
| dimensionColumnPages, |
| rawColumnChunks[queryType.columnIndex], |
| pageNumber); |
| } |
| |
| } |