spark VectorizedReaderBase 源码

spark VectorizedReaderBase 代码

文件路径：/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedReaderBase.java

/*
 * 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.spark.sql.execution.datasources.parquet;

import org.apache.parquet.column.values.ValuesReader;
import org.apache.parquet.io.api.Binary;
import org.apache.spark.sql.execution.vectorized.WritableColumnVector;

/**
 * Base class for implementations of VectorizedValuesReader. Mainly to avoid duplication
 * of methods that are not supported by concrete implementations
 */
public class VectorizedReaderBase extends ValuesReader implements VectorizedValuesReader {

  @Override
  public void skip() {
    throw new UnsupportedOperationException();
  }

  @Override
  public byte readByte() {
    throw new UnsupportedOperationException();
  }

  @Override
  public short readShort() {
    throw new UnsupportedOperationException();
  }

  @Override
  public Binary readBinary(int len) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readBooleans(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readBytes(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readShorts(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readIntegers(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readIntegersWithRebase(int total, WritableColumnVector c, int rowId,
      boolean failIfRebase) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readUnsignedIntegers(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readUnsignedLongs(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readLongs(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readLongsWithRebase(int total, WritableColumnVector c, int rowId,
      boolean failIfRebase, String timeZone) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readFloats(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readDoubles(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void readBinary(int total, WritableColumnVector c, int rowId) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipBooleans(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipBytes(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipShorts(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipIntegers(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipLongs(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipFloats(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipDoubles(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipBinary(int total) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void skipFixedLenByteArray(int total, int len) {
    throw new UnsupportedOperationException();
  }

}

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