iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/RLBE.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.iotdb.tsfile.encoding.encoder;

import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.ByteArrayOutputStream;

public class RLBE extends Encoder {
  // Every BLOCK_DEFAULT_SIZE values are followed by a header
  protected static final int BLOCK_DEFAULT_SIZE = 10000;

  protected static final Logger logger = LoggerFactory.getLogger(RLBE.class);

  // output stream to buffer {@code <length> <fibonacci code> <delta value>}
  protected ByteArrayOutputStream out;

  protected int blockSize = BLOCK_DEFAULT_SIZE;

  // Storage bits into byteBuffer and flush when full
  protected byte byteBuffer;
  // Valid bits left in byteBuffer
  protected int numberLeftInBuffer;

  // Differential Value of InputData is stored in DiffValue

  // Length of binary code of delta values are stored in LengthCode
  protected int[] LengthCode;

  // When writeIndex == -1, the first value is not stored
  protected int writeIndex = -1;

  // Constructor of RLBE
  public RLBE() {
    super(TSEncoding.RLBE);
    // blockSize = size;
  }

  @Override
  public void flush(ByteArrayOutputStream out) {}
}