org.apache.ignite.internal.processors.cache.persistence.metastorage

Interface MetastorageLifecycleListener

All Known Implementing Classes:

GridClusterStateProcessor, GridEncryptionManager, IgniteAuthenticationProcessor, 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

Modifier and Type	Method and 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