IgniteChangeGlobalStateSupport (Ignite 2.17.0)

All Known Subinterfaces:

IgnitePageStoreManager, IgniteWriteAheadLogManager

All Known Implementing Classes:

AtomicDataStructureProxy, DataStructuresProcessor, DistributedBaselineConfiguration, DistributedMetaStorageImpl, FilePageStoreManager, FileWriteAheadLogManager, GridCacheAtomicLongImpl, GridCacheAtomicReferenceImpl, GridCacheAtomicSequenceImpl, GridCacheAtomicStampedImpl, GridCacheCountDownLatchImpl, GridCacheDatabaseSharedManager, GridCacheLockImpl, GridCacheSemaphoreImpl, GridEncryptionManager, GridTaskProcessor, IgniteCacheDatabaseSharedManager, IgniteServiceProcessor, IgniteSnapshotManager, SchemaSqlViewManager
```
public interface IgniteChangeGlobalStateSupport
```
Provides callback during activation/deactivation cluster.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onActivate(GridKernalContext kctx)`	Called when cluster performing activation.
`void`	`onDeActivate(GridKernalContext kctx)`	Called when cluster performing deactivation.

- Method Detail
  - onActivate
```
void onActivate(GridKernalContext kctx)
         throws IgniteCheckedException
```
    Called when cluster performing activation.
    
    Parameters:
    
    kctx - Kernal context.
    
    Throws:
    
    IgniteCheckedException - If failed.
  - onDeActivate
```
void onDeActivate(GridKernalContext kctx)
```
    Called when cluster performing deactivation.
    
    Parameters:
    
    kctx - Kernal context.