SnapshotService (Siddhi Core 4.0.0-alpha13 API)

```
public class SnapshotService
extends Object
```
Service level implementation to take/restore snapshots of processing elements.

Constructors
Constructor and Description
`SnapshotService(SiddhiAppContext siddhiAppContext)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addSnapshotable(String queryName, Snapshotable snapshotable)`
`Map<String,Object>`	`queryState(String queryName)`
`void`	`restore(byte[] snapshot)`
`byte[]`	`snapshot()`

public SnapshotService(SiddhiAppContext siddhiAppContext)

public void addSnapshotable(String queryName,
                            Snapshotable snapshotable)

public Map<String,Object> queryState(String queryName)

Class SnapshotService