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

类 SchemaCoordinator

java.lang.Object

org.apache.flink.cdc.runtime.operators.schema.common.SchemaRegistry

org.apache.flink.cdc.runtime.operators.schema.distributed.SchemaCoordinator

所有已实现的接口:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.runtime.operators.coordination.CoordinationRequestHandler, org.apache.flink.runtime.operators.coordination.OperatorCoordinator

public class SchemaCoordinator
extends SchemaRegistry

Coordinator node for SchemaOperator. Registry actor in distributed topology.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.runtime.operators.coordination.OperatorCoordinator

org.apache.flink.runtime.operators.coordination.OperatorCoordinator.Context, org.apache.flink.runtime.operators.coordination.OperatorCoordinator.Provider, org.apache.flink.runtime.operators.coordination.OperatorCoordinator.SubtaskGateway

字段概要

字段

限定符和类型	字段和说明
protected Set<Integer>	flushedSinkWriters Tracing sink writers that have flushed successfully.

从类继承的字段 org.apache.flink.cdc.runtime.operators.schema.common.SchemaRegistry

activeSinkWriters, behavior, context, coordinatorExecutor, currentParallelism, failedReasons, metadataApplier, operatorName, router, routingRules, rpcTimeout, schemaManager

从接口继承的字段 org.apache.flink.runtime.operators.coordination.OperatorCoordinator

NO_CHECKPOINT

构造器概要

构造器

构造器和说明

SchemaCoordinator(String operatorName, org.apache.flink.runtime.operators.coordination.OperatorCoordinator.Context context, ExecutorService coordinatorExecutor, org.apache.flink.cdc.common.sink.MetadataApplier metadataApplier, List<org.apache.flink.cdc.common.route.RouteRule> routingRules, org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior schemaChangeBehavior, java.time.Duration rpcTimeout)

方法概要

限定符和类型	方法和说明
void	emplaceOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId, Integer subTaskId, org.apache.flink.cdc.common.schema.Schema schema)
protected void	handleCustomCoordinationRequest(org.apache.flink.runtime.operators.coordination.CoordinationRequest request, CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> responseFuture) Coordination handler for customized CoordinationRequests.
protected void	handleFlushSuccessEvent(FlushSuccessEvent event) Overridable handler for FlushSuccessEvents.
protected void	handleGetOriginalSchemaRequest(GetOriginalSchemaRequest request, CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> responseFuture) Overridable handler for GetOriginalSchemaRequests.
protected void	handleUnrecoverableError(String taskDescription, Throwable t) Last chance to execute codes before job fails globally.
protected void	restore(byte[] checkpointData) Restore schema registry state from byte array.
protected void	snapshot(CompletableFuture<byte[]> resultFuture) Snapshot current schema registry state in byte array form.
void	start()

从类继承的方法 org.apache.flink.cdc.runtime.operators.schema.common.SchemaRegistry

checkpointCoordinator, close, emplaceEvolvedSchema, emplaceOriginalSchema, executionAttemptFailed, executionAttemptReady, failJob, handleCoordinationRequest, handleEventFromOperator, handleGetEvolvedSchemaRequest, handleSinkWriterRegisterEvent, loopUntil, loopWhen, notifyCheckpointComplete, resetToCheckpoint, runInEventLoop, subtaskReset

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.runtime.operators.coordination.OperatorCoordinator

notifyCheckpointAborted

字段详细资料

flushedSinkWriters

protected transient Set<Integer> flushedSinkWriters

Tracing sink writers that have flushed successfully.

构造器详细资料

SchemaCoordinator

public SchemaCoordinator(String operatorName,
                         org.apache.flink.runtime.operators.coordination.OperatorCoordinator.Context context,
                         ExecutorService coordinatorExecutor,
                         org.apache.flink.cdc.common.sink.MetadataApplier metadataApplier,
                         List<org.apache.flink.cdc.common.route.RouteRule> routingRules,
                         org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior schemaChangeBehavior,
                         java.time.Duration rpcTimeout)

方法详细资料

start

public void start()
           throws Exception

指定者:

start 在接口中 org.apache.flink.runtime.operators.coordination.OperatorCoordinator

覆盖:

start 在类中 SchemaRegistry

抛出:

Exception

snapshot

protected void snapshot(CompletableFuture<byte[]> resultFuture)
                 throws Exception

从类复制的说明: SchemaRegistry

Snapshot current schema registry state in byte array form.

指定者:

snapshot 在类中 SchemaRegistry

抛出:

Exception

restore

protected void restore(byte[] checkpointData)
                throws Exception

从类复制的说明: SchemaRegistry

Restore schema registry state from byte array.

指定者:

restore 在类中 SchemaRegistry

抛出:

Exception

handleGetOriginalSchemaRequest

protected void handleGetOriginalSchemaRequest(GetOriginalSchemaRequest request,
                                              CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> responseFuture)

从类复制的说明: SchemaRegistry

Overridable handler for GetOriginalSchemaRequests.

覆盖:

handleGetOriginalSchemaRequest 在类中 SchemaRegistry

handleCustomCoordinationRequest

protected void handleCustomCoordinationRequest(org.apache.flink.runtime.operators.coordination.CoordinationRequest request,
                                               CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> responseFuture)
                                        throws Exception

从类复制的说明: SchemaRegistry

Coordination handler for customized CoordinationRequests.

指定者:

handleCustomCoordinationRequest 在类中 SchemaRegistry

抛出:

Exception

handleFlushSuccessEvent

protected void handleFlushSuccessEvent(FlushSuccessEvent event)
                                throws Exception

从类复制的说明: SchemaRegistry

Overridable handler for FlushSuccessEvents.

指定者:

handleFlushSuccessEvent 在类中 SchemaRegistry

抛出:

Exception

handleUnrecoverableError

protected void handleUnrecoverableError(String taskDescription,
                                        Throwable t)

从类复制的说明: SchemaRegistry

Last chance to execute codes before job fails globally.

覆盖:

handleUnrecoverableError 在类中 SchemaRegistry

emplaceOriginalSchema

@VisibleForTesting
public void emplaceOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId,
                                                     Integer subTaskId,
                                                     org.apache.flink.cdc.common.schema.Schema schema)