SprintzEncoder (IoTDB: Core: TsFile 1.3.0 API)

java.lang.Object
- org.apache.iotdb.tsfile.encoding.encoder.Encoder
- - org.apache.iotdb.tsfile.encoding.encoder.SprintzEncoder

Direct Known Subclasses:

DoubleSprintzEncoder, FloatSprintzEncoder, IntSprintzEncoder, LongSprintzEncoder
```
public abstract class SprintzEncoder
extends Encoder
```

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`bitWidth`
`protected int`	`Block_size`
`protected ByteArrayOutputStream`	`byteCache`	output stream to buffer `<bitwidth> <encoded-data>`.
`protected TSFileConfig`	`config`
`protected int`	`groupMax`
`protected int`	`groupNum`
`protected boolean`	`isFirstCached`
`protected static org.slf4j.Logger`	`logger`
`protected String`	`predictMethod`

Fields inherited from class org.apache.iotdb.tsfile.encoding.encoder.Encoder
MAX_POINT_NUMBER, MAX_STRING_LENGTH

Constructor Summary

Constructors
Modifier Constructor Description

protected SprintzEncoder()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type Method Description

protected abstract void bitPack()

protected void reset()
- Methods inherited from class org.apache.iotdb.tsfile.encoding.encoder.Encoder
  encode, encode, encode, encode, encode, encode, encode, encode, flush, getMaxByteSize, getOneItemMaxSize, getType, setType
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected static final org.slf4j.Logger logger

Block_size
```
protected int Block_size
```

groupMax
```
protected int groupMax
```

groupNum
```
protected int groupNum
```

bitWidth
```
protected int bitWidth
```

byteCache
```
protected ByteArrayOutputStream byteCache
```
output stream to buffer <bitwidth> <encoded-data>.

predictMethod
```
protected String predictMethod
```

isFirstCached
```
protected boolean isFirstCached
```

config
```
protected TSFileConfig config
```

Constructor Detail
- SprintzEncoder
```
protected SprintzEncoder()
```

Method Detail

reset
```
protected void reset()
```

bitPack

protected abstract void bitPack()
                         throws IOException

Throws:: IOException