content: /*
   * 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.loading.converter.impl;
  
  import org.apache.carbondata.common.logging.LogServiceFactory;
  import org.apache.carbondata.core.constants.CarbonCommonConstants;
  import org.apache.carbondata.core.datastore.row.CarbonRow;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  import org.apache.carbondata.core.util.DataTypeUtil;
  import org.apache.carbondata.processing.loading.DataField;
  import org.apache.carbondata.processing.loading.converter.BadRecordLogHolder;
  import org.apache.carbondata.processing.loading.converter.FieldConverter;
  import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingException;
  import org.apache.carbondata.processing.util.CarbonDataProcessorUtil;
  
  import org.apache.log4j.Logger;
  
  /**
   * Converter for measure
   */
  public class MeasureFieldConverterImpl implements FieldConverter {
  
    private static final Logger LOGGER =
        LogServiceFactory.getLogService(MeasureFieldConverterImpl.class.getName());
  
    private int index;
  
    private String nullFormat;
  
    private boolean isEmptyBadRecord;
  
    private DataField dataField;
  
    public MeasureFieldConverterImpl(DataField dataField, String nullFormat, int index,
        boolean isEmptyBadRecord) {
      this.nullFormat = nullFormat;
      this.index = index;
      this.isEmptyBadRecord = isEmptyBadRecord;
      this.dataField = dataField;
    }
  
    @Override
    public void convert(CarbonRow row, BadRecordLogHolder logHolder)
        throws CarbonDataLoadingException {
      String value = row.getString(index);
      row.update(convert(value, logHolder), index);
    }
  
    @Override
    public Object convert(Object value, BadRecordLogHolder logHolder)
        throws RuntimeException {
      String literalValue = (String) (value);
      Object output;
      boolean isNull = CarbonCommonConstants.MEMBER_DEFAULT_VAL.equals(literalValue);
      if (literalValue == null || isNull) {
        String message = logHolder.getColumnMessageMap().get(dataField.getColumn().getColName());
        if (null == message) {
          message = CarbonDataProcessorUtil.prepareFailureReason(dataField.getColumn().getColName(),
              dataField.getColumn().getDataType());
          logHolder.getColumnMessageMap().put(dataField.getColumn().getColName(), message);
        }
        if (dataField.getColumn().isDimension()) {
          logHolder.setReason(message);
        }
        return null;
      } else if (literalValue.length() == 0) {
        if (isEmptyBadRecord) {
          String message = logHolder.getColumnMessageMap().get(dataField.getColumn().getColName());
          if (null == message) {
            message = CarbonDataProcessorUtil.prepareFailureReason(dataField.getColumn().getColName(),
                dataField.getColumn().getDataType());
            logHolder.getColumnMessageMap().put(dataField.getColumn().getColName(), message);
          }
          logHolder.setReason(message);
        }
        return null;
      } else if (literalValue.equals(nullFormat)) {
        return null;
      } else {
        try {
          // in case of no dictionary dimension
          if (dataField.getColumn().isDimension()) {
            String dateFormat = null;
            if (dataField.getColumn().getDataType() == DataTypes.DATE) {
              dateFormat = dataField.getDateFormat();
            } else if (dataField.getColumn().getDataType() == DataTypes.TIMESTAMP) {
              dateFormat = dataField.getTimestampFormat();
            }
            if (dataField.isUseActualData()) {
              output = DataTypeUtil.getNoDictionaryValueBasedOnDataType(literalValue,
                  dataField.getColumn().getDataType(),
                  dataField.getColumn().getColumnSchema().getScale(),
                  dataField.getColumn().getColumnSchema().getPrecision(), true, dateFormat);
            } else {
              output = DataTypeUtil.getNoDictionaryValueBasedOnDataType(literalValue,
                  dataField.getColumn().getDataType(),
                  dataField.getColumn().getColumnSchema().getScale(),
                  dataField.getColumn().getColumnSchema().getPrecision(), false, dateFormat);
            }
          } else {
            if (dataField.isUseActualData()) {
              output = DataTypeUtil
                  .getMeasureValueBasedOnDataType(literalValue, dataField.getColumn().getDataType(),
                      dataField.getColumn().getColumnSchema().getScale(),
                      dataField.getColumn().getColumnSchema().getPrecision(), true);
            } else {
              output = DataTypeUtil
                  .getMeasureValueBasedOnDataType(literalValue, dataField.getColumn().getDataType(),
                      dataField.getColumn().getColumnSchema().getScale(),
                      dataField.getColumn().getColumnSchema().getPrecision());
            }
          }
          return output;
        } catch (NumberFormatException e) {
          if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Cannot convert value to Numeric type value. Value considered as null.");
          }
          logHolder.setReason(CarbonDataProcessorUtil
              .prepareFailureReason(dataField.getColumn().getColName(),
                  dataField.getColumn().getDataType()));
          return null;
        }
      }
    }
  
    @Override
    public DataField getDataField() {
      return dataField;
    }
  
    /**
     * Method to clean the dictionary cache. As in this MeasureFieldConverterImpl convert no
     * dictionary caches are acquired so nothing to clear. s
     */
    @Override
    public void clear() {
    }
  }
  