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.asterix.column.values.writer;
  
  import java.io.IOException;
  
  import org.apache.asterix.column.util.RunLengthIntArray;
  import org.apache.asterix.column.values.IColumnValuesReader;
  import org.apache.asterix.column.values.writer.filters.AbstractColumnFilterWriter;
  import org.apache.asterix.column.values.writer.filters.NoOpColumnFilterWriter;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.data.std.api.IValueReference;
  import org.apache.parquet.bytes.BytesInput;
  
  public class NullMissingColumnValuesWriter extends AbstractColumnValuesWriter {
      private static final BytesInput EMPTY = BytesInput.empty();
      private final RunLengthIntArray defLevelsIntArray;
  
      NullMissingColumnValuesWriter(int columnIndex, int level, boolean collection, boolean filtered) {
          super(columnIndex, level, collection, filtered);
          defLevelsIntArray = new RunLengthIntArray();
      }
  
      @Override
      protected void addLevel(int level) throws HyracksDataException {
          defLevelsIntArray.add(level);
          super.addLevel(level);
      }
  
      @Override
      public void writeLevels(int level, int count) throws HyracksDataException {
          defLevelsIntArray.add(level, count);
          super.writeLevels(level, count);
      }
  
      @Override
      protected ATypeTag getTypeTag() {
          return ATypeTag.NULL;
      }
  
      @Override
      protected void addValue(ATypeTag tag, IValueReference value) throws IOException {
          throw new IllegalStateException("Null writer should not add value");
      }
  
      @Override
      protected void addValue(IColumnValuesReader reader) throws IOException {
          throw new IllegalStateException("Null writer should not add value");
      }
  
      @Override
      protected BytesInput getBytes() throws IOException {
          return EMPTY;
      }
  
      @Override
      protected int getValuesEstimatedSize() {
          return 0;
      }
  
      @Override
      protected int calculateEstimatedSize(int length) {
          return 0;
      }
  
      @Override
      protected int getValuesAllocatedSize() {
          return 0;
      }
  
      @Override
      protected AbstractColumnFilterWriter createFilter() {
          return NoOpColumnFilterWriter.INSTANCE;
      }
  
      @Override
      protected void resetValues() throws HyracksDataException {
          defLevelsIntArray.reset();
      }
  
      @Override
      protected void closeValues() {
          defLevelsIntArray.reset();
      }
  
      @Override
      public RunLengthIntArray getDefinitionLevelsIntArray() {
          return defLevelsIntArray;
      }
  
      @Override
      public int getRequiredTemporaryBuffersCount() {
          return requiredTemporaryBuffers(false);
      }
  
      public static int requiredTemporaryBuffers(boolean filtered) {
          return 0;
      }
  }
  