MetastorageLifecycleListener (Ignite 2.17.0)

All Known Implementing Classes:

DurableBackgroundTasksProcessor, GridClusterStateProcessor, GridEncryptionManager, IgniteAuthenticationProcessor, IgniteSnapshotManager, IgniteStatisticsPersistenceStoreImpl, IndexBuildStatusStorage, WalStateManager.WALDisableContext
```
public interface MetastorageLifecycleListener
```
Listener for events of metastore lifecycle. Database manager is responsible for initializing metastore on node startup and notifying other components about its readiness.

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`onReadyForRead(ReadOnlyMetastorage metastorage)`	Is called when metastorage is made ready for read-only operations very early on node startup phase.
`default void`	`onReadyForReadWrite(ReadWriteMetastorage metastorage)`	Fully functional metastore capable of performing reading and writing operations.

- Method Detail
  - onReadyForRead
```
default void onReadyForRead(ReadOnlyMetastorage metastorage)
                     throws IgniteCheckedException
```
    Is called when metastorage is made ready for read-only operations very early on node startup phase. Reference for read-only metastorage should be used only within this method and shouldn't be stored to any field.
    
    Parameters:
    
    metastorage - Read-only meta storage.
    
    Throws:
    
    IgniteCheckedException
  - onReadyForReadWrite
```
default void onReadyForReadWrite(ReadWriteMetastorage metastorage)
                          throws IgniteCheckedException
```
    Fully functional metastore capable of performing reading and writing operations. Components interested in using metastore are allowed to keep reference passed into the method in their fields.
    
    Parameters:
    
    metastorage - Fully functional meta storage.
    
    Throws:
    
    IgniteCheckedException