ILogReader (IoTDB ConfigNode 1.0.1 API)

所有已知实现类:

BatchLogReader, SingleFileLogReader
```
public interface ILogReader
```

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`void`	`close()`	release resources occupied by this object, like file streams.
`boolean`	`hasNext()`	return whether there exists next log to be read.
`ConfigPhysicalPlan`	`next()`	return the next log read from media like a WAL file and covert it to a PhysicalPlan.

- 方法详细资料
  - close
```
void close()
```
    release resources occupied by this object, like file streams.
  - hasNext
```
boolean hasNext()
         throws java.io.FileNotFoundException
```
    return whether there exists next log to be read.
    
    返回:
    
    whether there exists next log to be read.
    
    抛出:
    
    java.io.IOException
    
    java.io.FileNotFoundException
  - next
```
ConfigPhysicalPlan next()
                 throws java.io.FileNotFoundException
```
    return the next log read from media like a WAL file and covert it to a PhysicalPlan.
    
    返回:
    
    the next log as a PhysicalPlan
    
    抛出:
    
    java.util.NoSuchElementException - when there are no more logs
    
    java.io.FileNotFoundException