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

类 SchemaCoordinator

java.lang.Object

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

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

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> routes, 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	close()
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.
void	handleSchemaChangeRequest(SchemaChangeRequest request, CompletableFuture<org.apache.flink.runtime.operators.coordination.CoordinationResponse> responseFuture) Handle the SchemaChangeRequest and wait for all sink subtasks flushing.
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, emplaceEvolvedSchema, emplaceOriginalSchema, executionAttemptFailed, executionAttemptReady, failJob, handleCoordinationRequest, handleEventFromOperator, handleGetEvolvedSchemaRequest, handleGetOriginalSchemaRequest, 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

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> routes,
                         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

close

public void close()
           throws Exception

指定者:

close 在接口中 AutoCloseable

指定者:

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

覆盖:

close 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

handleCustomCoordinationRequest

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

从类复制的说明: SchemaRegistry

Coordination handler for customized CoordinationRequests.

指定者:

handleCustomCoordinationRequest 在类中 SchemaRegistry

handleFlushSuccessEvent

protected void handleFlushSuccessEvent(FlushSuccessEvent event)

从类复制的说明: SchemaRegistry

Overridable handler for FlushSuccessEvents.

指定者:

handleFlushSuccessEvent 在类中 SchemaRegistry

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

handleSchemaChangeRequest

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

Handle the SchemaChangeRequest and wait for all sink subtasks flushing.

参数:

request - the received SchemaChangeRequest