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;
  
  import org.apache.carbondata.core.datastore.row.CarbonRow;
  import org.apache.carbondata.processing.loading.DataField;
  import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingException;
  
  /**
   * This interface converts/transforms the column field.
   */
  public interface FieldConverter {
  
    /**
     * It converts the column field and updates the data in same location/index in row.
     * @param row
     * @return the status whether it could be loaded or not, usually when record is added
     * to bad records then it returns false.
     * @throws CarbonDataLoadingException
     */
    void convert(CarbonRow row, BadRecordLogHolder logHolder) throws CarbonDataLoadingException;
  
    /**
     * It convert the literal value to carbon internal value
     */
    Object convert(Object value, BadRecordLogHolder logHolder) throws RuntimeException;
  
    /**
     * This method gets data field for the field.
     * @return
     */
    DataField getDataField();
  
    /**
     * This method clears all the dictionary caches being acquired.
     */
    void clear();
  }
  