Github user ravipesala commented on a diff in the pull request: https://github.com/apache/incubator-carbondata/pull/620#discussion_r106128302 --- Diff: processing/src/main/java/org/apache/carbondata/processing/newflow/steps/DataWriterBatchProcessorStepImpl.java --- @@ -0,0 +1,206 @@ +/* + * 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.processing.newflow.steps; + +import java.io.File; +import java.io.IOException; +import java.util.Iterator; + +import org.apache.carbondata.common.logging.LogService; +import org.apache.carbondata.common.logging.LogServiceFactory; +import org.apache.carbondata.core.constants.IgnoreDictionary; +import org.apache.carbondata.core.datastore.block.SegmentProperties; +import org.apache.carbondata.core.metadata.CarbonTableIdentifier; +import org.apache.carbondata.core.util.CarbonTimeStatisticsFactory; +import org.apache.carbondata.processing.newflow.AbstractDataLoadProcessorStep; +import org.apache.carbondata.processing.newflow.CarbonDataLoadConfiguration; +import org.apache.carbondata.processing.newflow.DataField; +import org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException; +import org.apache.carbondata.processing.newflow.row.CarbonRow; +import org.apache.carbondata.processing.newflow.row.CarbonRowBatch; +import org.apache.carbondata.processing.store.CarbonFactDataHandlerModel; +import org.apache.carbondata.processing.store.CarbonFactHandler; +import org.apache.carbondata.processing.store.CarbonFactHandlerFactory; +import org.apache.carbondata.processing.store.writer.exception.CarbonDataWriterException; +import org.apache.carbondata.processing.util.CarbonDataProcessorUtil; + +/** + * It reads data from sorted files which are generated in previous sort step. + * And it writes data to carbondata file. It also generates mdk key while writing to carbondata file + */ +public class DataWriterBatchProcessorStepImpl extends AbstractDataLoadProcessorStep { + + private static final LogService LOGGER = + LogServiceFactory.getLogService(DataWriterBatchProcessorStepImpl.class.getName()); + + private int noDictionaryCount; + + private int complexDimensionCount; + + private int measureCount; + + private int measureIndex = IgnoreDictionary.MEASURES_INDEX_IN_ROW.getIndex(); + + private int noDimByteArrayIndex = IgnoreDictionary.BYTE_ARRAY_INDEX_IN_ROW.getIndex(); + + private int dimsArrayIndex = IgnoreDictionary.DIMENSION_INDEX_IN_ROW.getIndex(); + + public DataWriterBatchProcessorStepImpl(CarbonDataLoadConfiguration configuration, + AbstractDataLoadProcessorStep child) { + super(configuration, child); + } + + @Override public DataField[] getOutput() { + return child.getOutput(); + } + + @Override public void initialize() throws IOException { + child.initialize(); + } + + private String getStoreLocation(CarbonTableIdentifier tableIdentifier, String partitionId) { + String storeLocation = CarbonDataProcessorUtil + .getLocalDataFolderLocation(tableIdentifier.getDatabaseName(), + tableIdentifier.getTableName(), String.valueOf(configuration.getTaskNo()), partitionId, + configuration.getSegmentId() + "", false); + new File(storeLocation).mkdirs(); --- End diff -- if it already exists then we do nothing and continue loading.
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