MamdaBookAtomicLevelHandler (MAMDA 2.2.1.1)

```
public interface MamdaBookAtomicLevelHandler
```
MamdaBookAtomicLevelHandler is an interface for applications that want to have an easy way to handle order book Price Level updates. The interface defines callback methods for different types of orderBook-related events: order book recaps and updates.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onBookAtomicLevelDelta(MamdaSubscription subscription, MamdaBookAtomicListener listener, com.wombat.mama.MamaMsg msg, MamdaBookAtomicLevel level)`	Method invoked when an order book delta is reported.
`void`	`onBookAtomicLevelRecap(MamdaSubscription subscription, MamdaBookAtomicListener listener, com.wombat.mama.MamaMsg msg, MamdaBookAtomicLevel level)`	Method invoked when a full refresh of the order book for the security is available.

- Method Detail
  - onBookAtomicLevelRecap
```
void onBookAtomicLevelRecap(MamdaSubscription subscription,
                            MamdaBookAtomicListener listener,
                            com.wombat.mama.MamaMsg msg,
                            MamdaBookAtomicLevel level)
```
    Method invoked when a full refresh of the order book for the security is available. The reason for the invocation may be any of the following: - Initial image. - Recap update (e.g., after server fault tolerant event or data quality event.) - After stale status removed.
    
    Parameters:
    
    subscription - The MamdaSubscription handle.
    
    listener - The listener handling the recap.
    
    msg - The MamaMsg that triggered this invocation.
    
    level - The Price Level recap.
  - onBookAtomicLevelDelta
```
void onBookAtomicLevelDelta(MamdaSubscription subscription,
                            MamdaBookAtomicListener listener,
                            com.wombat.mama.MamaMsg msg,
                            MamdaBookAtomicLevel level)
```
    Method invoked when an order book delta is reported.
    
    Parameters:
    
    subscription - The MamdaSubscription handle.
    
    listener - The listener handling the update.
    
    msg - The MamaMsg that triggered this invocation.
    
    level - The Price Level update.