dispatcher

package

v0.0.0-...-be15534 Latest Latest Go to latest Published: Apr 30, 2024 License: Apache-2.0 Imports: 10 Imported by: 0

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type EventRouter struct {
	// contains filtered or unexported fields
}

EventRouter is a router, it determines which topic and which partition an event should be dispatched to.

func NewEventRouter(
	cfg *config.ReplicaConfig, protocol config.Protocol, defaultTopic, scheme string,
) (*EventRouter, error)

NewEventRouter creates a new EventRouter.

func (s *EventRouter) GetActiveTopics(activeTables []model.TableName) []string

GetActiveTopics returns a list of the corresponding topics for the tables that are actively synchronized.

func (s *EventRouter) GetDefaultTopic() string

GetDefaultTopic returns the default topic name.

func (s *EventRouter) GetPartitionDispatcher(schema, table string) partition.Dispatcher

GetPartitionDispatcher returns the partition dispatcher for a specific table.

func (s *EventRouter) GetPartitionForRowChange(
	row *model.RowChangedEvent,
	partitionNum int32,
) (int32, string, error)

GetPartitionForRowChange returns the target partition for row changes.

func (s *EventRouter) GetTopicForDDL(ddl *model.DDLEvent) string

GetTopicForDDL returns the target topic for DDL.

func (s *EventRouter) GetTopicForRowChange(row *model.RowChangedEvent) string

GetTopicForRowChange returns the target topic for row changes.

func (s *EventRouter) VerifyTables(infos []*model.TableInfo) error

VerifyTables return error if any one table route rule is invalid.

Path	Synopsis
partition
topic