ServerSession

```
public interface ServerSession
```
A MongoDB server session.

Since:

3.6

Since server release
3.6

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`advanceTransactionNumber()`	Return the next available transaction number.
`BsonDocument`	`getIdentifier()`
`long`	`getTransactionNumber()`	Gets the current transaction number.
`boolean`	`isClosed()`	Whether the server session is closed.
`boolean`	`isMarkedDirty()`	Whether the server session is marked dirty.
`void`	`markDirty()`	Mark the server session as dirty.

- Method Detail
  - getIdentifier
```
BsonDocument getIdentifier()
```
    Returns:
    
    the server session identifier
  - getTransactionNumber
```
long getTransactionNumber()
```
    Gets the current transaction number.
    
    Returns:
    
    the current transaction number
    
    Since:
    
    3.8
  - advanceTransactionNumber
```
long advanceTransactionNumber()
```
    Return the next available transaction number.
    
    Returns:
    
    the next transaction number
  - isClosed
```
boolean isClosed()
```
    Whether the server session is closed.
    
    Returns:
    
    true if the session has been closed
  - markDirty
```
void markDirty()
```
    Mark the server session as dirty. A server session is marked dirty when a command fails with a network error. Dirty sessions are later discarded from the server session pool.
    
    Since:
    
    3.12
  - isMarkedDirty
```
boolean isMarkedDirty()
```
    Whether the server session is marked dirty.
    
    Returns:
    
    true if the session has been marked dirty
    
    Since:
    
    3.12