org.apache.flink.cdc.runtime.operators.sink

类 SchemaEvolutionClient

java.lang.Object

org.apache.flink.cdc.runtime.operators.sink.SchemaEvolutionClient

public class SchemaEvolutionClient
extends Object

Client for DataSinkWriterOperator interact with SchemaRegistry when table schema evolution happened.

构造器概要

构造器

构造器和说明
SchemaEvolutionClient(org.apache.flink.runtime.jobgraph.tasks.TaskOperatorEventGateway toCoordinator, org.apache.flink.runtime.jobgraph.OperatorID schemaOperatorID)

方法概要

限定符和类型	方法和说明
Optional<org.apache.flink.cdc.common.schema.Schema>	getLatestEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId)
Optional<org.apache.flink.cdc.common.schema.Schema>	getLatestOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId)
void	notifyFlushSuccess(int subtask, org.apache.flink.cdc.common.event.TableId tableId) send FlushSuccessEvent to SchemaRegistry.
void	registerSubtask(int subtask) send SinkWriterRegisterEvent to SchemaRegistry.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SchemaEvolutionClient

public SchemaEvolutionClient(org.apache.flink.runtime.jobgraph.tasks.TaskOperatorEventGateway toCoordinator,
                             org.apache.flink.runtime.jobgraph.OperatorID schemaOperatorID)

方法详细资料

registerSubtask

public void registerSubtask(int subtask)
                     throws IOException

send SinkWriterRegisterEvent to SchemaRegistry.

抛出:

IOException

notifyFlushSuccess

public void notifyFlushSuccess(int subtask,
                               org.apache.flink.cdc.common.event.TableId tableId)
                        throws IOException

send FlushSuccessEvent to SchemaRegistry.

抛出:

IOException

getLatestEvolvedSchema

public Optional<org.apache.flink.cdc.common.schema.Schema> getLatestEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId)
                                                                           throws Exception

抛出:

Exception

getLatestOriginalSchema

public Optional<org.apache.flink.cdc.common.schema.Schema> getLatestOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId)
                                                                            throws Exception

抛出:

Exception