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.bytes.decoder;
  
  import java.io.EOFException;
  import java.io.IOException;
  
  import org.apache.asterix.column.bytes.stream.in.AbstractBytesInputStream;
  import org.apache.asterix.column.bytes.stream.in.ValueInputStream;
  import org.apache.hyracks.data.std.api.IPointable;
  import org.apache.hyracks.data.std.api.IValueReference;
  import org.apache.parquet.io.ParquetDecodingException;
  
  public class ParquetPlainFixedLengthValuesReader extends AbstractParquetValuesReader {
      private final ValueInputStream in;
      private final int valueLength;
      private final IPointable valueStorage;
  
      public ParquetPlainFixedLengthValuesReader(int valueLength) {
          in = new ValueInputStream();
          this.valueLength = valueLength;
          valueStorage = null;
      }
  
      public ParquetPlainFixedLengthValuesReader(IPointable valueStorage) {
          in = new ValueInputStream();
          this.valueLength = valueStorage.getByteArray().length;
          this.valueStorage = valueStorage;
      }
  
      @Override
      public void initFromPage(AbstractBytesInputStream stream) throws EOFException {
          in.reset(stream.remainingStream());
      }
  
      @Override
      public void skip() {
          try {
              in.skipBytes(valueLength);
          } catch (IOException e) {
              throw new ParquetDecodingException("could not skip " + valueLength + " bytes", e);
          }
      }
  
      @Override
      public long readLong() {
          try {
              return in.readLong();
          } catch (IOException e) {
              throw new ParquetDecodingException("could not read long", e);
          }
      }
  
      @Override
      public float readFloat() {
          try {
              return in.readFloat();
          } catch (IOException e) {
              throw new ParquetDecodingException("could not read float", e);
          }
      }
  
      @Override
      public double readDouble() {
          try {
              return in.readDouble();
          } catch (IOException e) {
              throw new ParquetDecodingException("could not read double", e);
          }
      }
  
      @Override
      public IValueReference readBytes() {
          try {
              return in.readBytes(valueStorage, valueLength);
          } catch (IOException e) {
              throw new ParquetDecodingException("could not read bytes", e);
          }
      }
  }
  