JobEventStore (Flink : Runtime 2.0.0 API)

All Known Implementing Classes:

FileSystemJobEventStore
```
public interface JobEventStore
```
A store for recording the JobEvent.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isEmpty()`	Returns whether the store is empty.
`JobEvent`	`readEvent()`	Read a job event.
`void`	`start()`	Start the store.
`void`	`stop(boolean clearEventLogs)`	Stop the store.
`void`	`writeEvent(JobEvent jobEvent, boolean cutBlock)`	Write a job event.

- Method Detail
  - start
```
void start()
    throws Exception
```
    Start the store. This method should be called before any other operations.
    
    Throws:
    
    Exception
  - stop
```
void stop(boolean clearEventLogs)
```
    Stop the store.
    
    Parameters:
    
    clearEventLogs - Whether to clear the job events that have been recorded in the store.
  - writeEvent
```
void writeEvent(JobEvent jobEvent,
                boolean cutBlock)
```
    Write a job event.
    
    Parameters:
    
    jobEvent - The job event that will be recorded.
    
    cutBlock - If set to true, the current output file will be closed after writing this event, and a new output file will be created for subsequent events. This parameter effectively controls the segmentation of event data into separate files.
  - readEvent
```
JobEvent readEvent()
            throws Exception
```
    Read a job event.
    
    Returns:
    
    job event.
    
    Throws:
    
    Exception
  - isEmpty
```
boolean isEmpty()
         throws Exception
```
    Returns whether the store is empty.
    
    Returns:
    
    false if the store contains any job events, true otherwise.
    
    Throws:
    
    Exception