org.apache.flink.cdc.runtime.operators.schema.coordinator

Class SchemaRegistryRequestHandler

java.lang.Object

org.apache.flink.cdc.runtime.operators.schema.coordinator.SchemaRegistryRequestHandler

All Implemented Interfaces:

Closeable, AutoCloseable

@Internal
 @NotThreadSafe
public class SchemaRegistryRequestHandler
extends Object
implements Closeable

A handler to deal with all requests and events for SchemaRegistry.

Constructor Summary

Constructors

Constructor and Description
SchemaRegistryRequestHandler(org.apache.flink.cdc.common.sink.MetadataApplier metadataApplier, SchemaManager schemaManager, SchemaDerivation schemaDerivation)

Method Summary

Modifier and Type	Method and Description
void	close()
void	flushSuccess(org.apache.flink.cdc.common.event.TableId tableId, int sinkSubtask) Record flushed sink subtasks after receiving FlushSuccessEvent.
CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse>	getSchemaChangeResult()
CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse>	handleReleaseUpstreamRequest() Handle the ReleaseUpstreamRequest and wait for all sink subtasks flushing.
CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse>	handleSchemaChangeRequest(SchemaChangeRequest request) Handle the SchemaChangeRequest and wait for all sink subtasks flushing.
CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse>	refreshPendingLists()
void	registerSinkWriter(int sinkSubtask) Register a sink subtask.

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaRegistryRequestHandler

public SchemaRegistryRequestHandler(org.apache.flink.cdc.common.sink.MetadataApplier metadataApplier,
                                    SchemaManager schemaManager,
                                    SchemaDerivation schemaDerivation)

Method Detail

handleSchemaChangeRequest

public CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> handleSchemaChangeRequest(SchemaChangeRequest request)

Handle the SchemaChangeRequest and wait for all sink subtasks flushing.

Parameters:

request - the received SchemaChangeRequest

handleReleaseUpstreamRequest

public CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> handleReleaseUpstreamRequest()

Handle the ReleaseUpstreamRequest and wait for all sink subtasks flushing.

registerSinkWriter

public void registerSinkWriter(int sinkSubtask)

Register a sink subtask.

Parameters:

sinkSubtask - the sink subtask to register

flushSuccess

public void flushSuccess(org.apache.flink.cdc.common.event.TableId tableId,
                         int sinkSubtask)
                  throws InterruptedException

Record flushed sink subtasks after receiving FlushSuccessEvent.

Parameters:

tableId - the subtask in SchemaOperator and table that the FlushEvent is about

sinkSubtask - the sink subtask succeed flushing

Throws:

InterruptedException

refreshPendingLists

public CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> refreshPendingLists()

getSchemaChangeResult

public CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> getSchemaChangeResult()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException