GorillaDecoderV2 (TsFile 1.2.1 API)

java.lang.Object
- org.apache.iotdb.tsfile.encoding.decoder.Decoder
- - org.apache.iotdb.tsfile.encoding.decoder.GorillaDecoderV2

Direct Known Subclasses:

IntChimpDecoder, IntGorillaDecoder, LongChimpDecoder, LongGorillaDecoder
```
public abstract class GorillaDecoderV2
extends Decoder
```
This class includes code modified from Michael Burman's gorilla-tsc project.
Copyright: 2016-2018 Michael Burman and/or other contributors
Project page: https://github.com/burmanm/gorilla-tsc
License: http://www.apache.org/licenses/LICENSE-2.0

Field Summary

Fields
Modifier and Type Field Description

protected boolean firstValueWasRead

protected boolean hasNext

protected int storedLeadingZeros

protected int storedTrailingZeros

Constructor Summary

Constructors
Modifier Constructor Description

protected GorillaDecoderV2()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`flipByte(java.nio.ByteBuffer in)`
`boolean`	`hasNext(java.nio.ByteBuffer in)`
`protected boolean`	`readBit(java.nio.ByteBuffer in)`	Reads the next bit and returns a boolean representing it.
`protected long`	`readLong(int bits, java.nio.ByteBuffer in)`	Reads a long from the next X bits that represent the least significant bits in the long value.
`protected byte`	`readNextClearBit(int maxBits, java.nio.ByteBuffer in)`
`void`	`reset()`

Methods inherited from class org.apache.iotdb.tsfile.encoding.decoder.Decoder
getDecoderByType, getType, readBigDecimal, readBinary, readBoolean, readDouble, readFloat, readInt, readLong, readShort, setType

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - firstValueWasRead
```
protected boolean firstValueWasRead
```
  - storedLeadingZeros
```
protected int storedLeadingZeros
```
  - storedTrailingZeros
```
protected int storedTrailingZeros
```
  - hasNext
```
protected boolean hasNext
```
- Constructor Detail
  - GorillaDecoderV2
```
protected GorillaDecoderV2()
```
- Method Detail
  - hasNext
```
public final boolean hasNext(java.nio.ByteBuffer in)
```
    Specified by:
    
    hasNext in class Decoder
  - reset
```
public void reset()
```
    Specified by:
    
    reset in class Decoder
  - readBit
```
protected boolean readBit(java.nio.ByteBuffer in)
```
    Reads the next bit and returns a boolean representing it.
    
    Returns:
    
    true if the next bit is 1, otherwise 0.
  - readLong
```
protected long readLong(int bits,
                        java.nio.ByteBuffer in)
```
    Reads a long from the next X bits that represent the least significant bits in the long value.
    
    Parameters:
    
    bits - How many next bits are read from the stream
    
    Returns:
    
    long value that was read from the stream
  - readNextClearBit
```
protected byte readNextClearBit(int maxBits,
                                java.nio.ByteBuffer in)
```
  - flipByte
```
protected void flipByte(java.nio.ByteBuffer in)
```