# Package org.apache.ignite.events

Contains Event Subscription functionality together with various events emitted by Ignite.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  Event | Grid events are used for notification about what happens within the grid.
  EventType | Contains event type constants.

- Class Summary
  Class | Description
  --- | ---
  BaselineChangedEvent | Baseline changed event.
  BaselineConfigurationChangedEvent | Baseline configuration changed event.
  CacheConsistencyViolationEvent<K,V> | This is an experimental API.
  CacheEvent | In-memory database (cache) event.
  CacheQueryExecutedEvent<K,V> | Cache query execution event.
  CacheQueryReadEvent<K,V> | Cache query read event.
  CacheRebalancingEvent | In-memory database (cache) rebalancing event.
  CheckpointEvent | Grid checkpoint event.
  ClusterActivationEvent | Deprecated Use `ClusterStateChangeEvent` instead.
  ClusterStateChangeEvent | Cluster state change event.
  ClusterStateChangeStartedEvent | Cluster state change started event.
  ClusterTagUpdatedEvent | Event type indicating that cluster tag has been updated.
  DeploymentEvent | Grid deployment event.
  DiscoveryEvent | Grid discovery event.
  EventAdapter | Base adapter for the events.
  JobEvent | Grid job event.
  PageReplacementStartedEvent | Event type indicating that page replacement started in one of the configured data regions.
  TaskEvent | Grid task event.
  TransactionStateChangedEvent | Event indicates transaction state change.
  WalSegmentArchivedEvent | Event indicates the completion of WAL segment file transition to archive.
  WalSegmentCompactedEvent | Event indicates the completion of WAL segment compaction.

## Package org.apache.ignite.events Description

Contains Event Subscription functionality together with various events emitted by Ignite.

2020 Copyright © Apache Software Foundation
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Ignite Database and Caching Platform | : ver. 2.9.0
Release Date | : October 15 2020