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.core.datastore.chunk.impl;
  
  import java.util.BitSet;
  
  import org.apache.carbondata.core.datastore.chunk.DimensionColumnPage;
  import org.apache.carbondata.core.datastore.chunk.store.DimensionDataChunkStore;
  
  /**
   * Class responsibility is to give access to dimension column data chunk store
   */
  public abstract class AbstractDimensionColumnPage implements DimensionColumnPage {
  
    /**
     * data chunks
     */
    DimensionDataChunkStore dataChunkStore;
  
    /**
     * @return whether data is explicitly sorted or not
     */
    protected boolean isExplicitSorted(int[] invertedIndex) {
      return null != invertedIndex && 0 != invertedIndex.length;
    }
  
    /**
     * @return whether columns where explicitly sorted or not
     */
    @Override
    public boolean isExplicitSorted() {
      return dataChunkStore.isExplicitSorted();
    }
  
    @Override
    public boolean isAdaptiveEncoded() {
      return false;
    }
  
    @Override
    public BitSet getNullBits() {
      return null;
    }
  
    /**
     * Below method to get the data based in row id
     *
     * @param rowId row id of the data
     * @return chunk
     */
    @Override
    public byte[] getChunkData(int rowId) {
      return dataChunkStore.getRow(rowId);
    }
  
    /**
     * @return inverted index
     */
    @Override
    public int getInvertedIndex(int rowId) {
      return dataChunkStore.getInvertedIndex(rowId);
    }
  
    /**
     * @param rowId
     * @return inverted index reverse
     */
    @Override
    public int getInvertedReverseIndex(int rowId) {
      return dataChunkStore.getInvertedReverseIndex(rowId);
    }
  
    /**
     * To compare the data
     *
     * @param rowId        row index to be compared
     * @param compareValue value to compare
     * @return compare result
     */
    @Override
    public int compareTo(int rowId, byte[] compareValue) {
      // TODO Auto-generated method stub
      return dataChunkStore.compareTo(rowId, compareValue);
    }
  
    /**
     * below method will be used to free the allocated memory
     */
    @Override
    public void freeMemory() {
      if (dataChunkStore != null) {
        dataChunkStore.freeMemory();
        dataChunkStore = null;
      }
    }
  
    /**
     * @return column is dictionary column or not
     */
    @Override
    public boolean isNoDictionaryColumn() {
      return false;
    }
  }
  