DataTreeSnapshot (yangtools-docs 8.0.1 API)

All Superinterfaces:

EffectiveModelContextProvider

All Known Subinterfaces:

CursorAwareDataTreeModification, CursorAwareDataTreeSnapshot, DataTreeModification
```
public interface DataTreeSnapshot
extends EffectiveModelContextProvider
```
Read-only snapshot of a DataTree. The snapshot is stable and isolated, e.g. data tree changes occurring after the snapshot has been taken are not visible through the snapshot.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`@NonNull DataTreeModification`	`newModification()`	Create a new data tree modification based on this snapshot, using the specified data application strategy.
`Optional<NormalizedNode>`	`readNode(YangInstanceIdentifier path)`	Read a particular node from the snapshot.

Methods inherited from interface org.opendaylight.yangtools.yang.model.api.EffectiveModelContextProvider
getEffectiveModelContext

- Method Detail
  - readNode
```
Optional<NormalizedNode> readNode(YangInstanceIdentifier path)
```
    Read a particular node from the snapshot.
    
    Parameters:
    
    path - Path of the node
    
    Returns:
    
    Optional result encapsulating the presence and value of the node
  - newModification
```
@NonNull DataTreeModification newModification()
```
    Create a new data tree modification based on this snapshot, using the specified data application strategy.
    
    Returns:
    
    A new data tree modification