ILogWriter (IoTDB Server 0.14.0-preview2 API)

All Known Implementing Classes:

LogWriter
```
public interface ILogWriter
```
ILogWriter provides functions to insert WAL logs that have already been converted to bytes to a persistent medium.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close()`	release resources occupied by this object, like file streams.
`void`	`force()`	force the OS/FileSystem to flush its cache to make sure logs are persisted.
`void`	`write(java.nio.ByteBuffer logBuffer)`	Write given logs to a persistent medium.

- Method Detail
  - write
```
void write(java.nio.ByteBuffer logBuffer)
    throws java.io.IOException
```
    Write given logs to a persistent medium. NOTICE: the logs may be cached in the OS/FileSystem, if the OS/FileSystem you are using do not guarantee strong persistency and you want the logs to be persisted immediately, please call force() after calling this method. Notice: do not flip the buffer before calling this method
    
    Parameters:
    
    logBuffer - WAL logs that have been converted to bytes
    
    Throws:
    
    java.io.IOException
  - force
```
void force()
    throws java.io.IOException
```
    force the OS/FileSystem to flush its cache to make sure logs are persisted.
    
    Throws:
    
    java.io.IOException
  - close
```
void close()
    throws java.io.IOException
```
    release resources occupied by this object, like file streams.
    
    Throws:
    
    java.io.IOException