GridSnapshotLock (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.util.GridSnapshotLock<X>

```
public abstract class GridSnapshotLock<X>
extends Object
```
Synchronization primitive allowing concurrent updates and taking consistent snapshots.

Constructor Summary

Constructors
Constructor Description

GridSnapshotLock()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`beginUpdate()`	Must be called before update begin.
`protected abstract X`	`doSnapshot()`
`void`	`endUpdate()`	Signal that update operation finished.
`X`	`snapshot()`
`boolean`	`tryBeginUpdate()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GridSnapshotLock
```
public GridSnapshotLock()
```
- Method Detail
  - beginUpdate
```
public void beginUpdate()
```
    Must be called before update begin.
  - tryBeginUpdate
```
public boolean tryBeginUpdate()
```
    Returns:
    
    true If it is possible to proceed the update operation.
  - endUpdate
```
public void endUpdate()
```
    Signal that update operation finished.
  - snapshot
```
public X snapshot()
```
    Returns:
    
    Consistent snapshot of data.
  - doSnapshot
```
protected abstract X doSnapshot()
```
    Returns:
    
    Snapshot.