cn.tenmg.cdc.log.connectors.base.source.reader

类 JdbcIncrementalSourceReader<T>

java.lang.Object

org.apache.flink.connector.base.source.reader.SourceReaderBase<E,T,SplitT,SplitStateT>

org.apache.flink.connector.base.source.reader.SingleThreadMultiplexSourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

cn.tenmg.cdc.log.connectors.base.source.reader.JdbcIncrementalSourceReader<T>

所有已实现的接口:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.connector.source.SourceReader<T,SourceSplitBase>

@Experimental
public class JdbcIncrementalSourceReader<T>
extends org.apache.flink.connector.base.source.reader.SingleThreadMultiplexSourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

The multi-parallel source reader for table snapshot phase from SnapshotSplit and then single-parallel source reader for table stream phase from StreamSplit.

字段概要

从类继承的字段 org.apache.flink.connector.base.source.reader.SourceReaderBase

config, context, options, recordEmitter, splitFetcherManager

构造器概要

构造器

构造器和说明

JdbcIncrementalSourceReader(org.apache.flink.connector.base.source.reader.synchronization.FutureCompletingBlockingQueue<org.apache.flink.connector.base.source.reader.RecordsWithSplitIds<org.apache.kafka.connect.source.SourceRecord>> elementQueue, java.util.function.Supplier<JdbcSourceSplitReader> splitReaderSupplier, org.apache.flink.connector.base.source.reader.RecordEmitter<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitState> recordEmitter, org.apache.flink.configuration.Configuration config, org.apache.flink.api.connector.source.SourceReaderContext context, JdbcSourceConfig sourceConfig, SourceSplitSerializer sourceSplitSerializer, JdbcDataSourceDialect dialect)

方法概要

限定符和类型	方法和说明
void	addSplits(List<SourceSplitBase> splits)
static int	getNextMetaGroupId(int receivedMetaNum, int metaGroupSize) Returns next meta group id according to received meta number and meta group size.
void	handleSourceEvents(org.apache.flink.api.connector.source.SourceEvent sourceEvent)
protected SourceSplitState	initializedState(SourceSplitBase split)
protected void	onSplitFinished(Map<String,SourceSplitState> finishedSplitIds)
List<SourceSplitBase>	snapshotState(long checkpointId)
void	start()
protected SourceSplitBase	toSplitType(String splitId, SourceSplitState splitState)

从类继承的方法 org.apache.flink.connector.base.source.reader.SourceReaderBase

close, getNumberOfCurrentlyAssignedSplits, isAvailable, notifyNoMoreSplits, pollNext

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.api.connector.source.SourceReader

notifyCheckpointComplete

从接口继承的方法 org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted

构造器详细资料

JdbcIncrementalSourceReader

public JdbcIncrementalSourceReader(org.apache.flink.connector.base.source.reader.synchronization.FutureCompletingBlockingQueue<org.apache.flink.connector.base.source.reader.RecordsWithSplitIds<org.apache.kafka.connect.source.SourceRecord>> elementQueue,
                                   java.util.function.Supplier<JdbcSourceSplitReader> splitReaderSupplier,
                                   org.apache.flink.connector.base.source.reader.RecordEmitter<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitState> recordEmitter,
                                   org.apache.flink.configuration.Configuration config,
                                   org.apache.flink.api.connector.source.SourceReaderContext context,
                                   JdbcSourceConfig sourceConfig,
                                   SourceSplitSerializer sourceSplitSerializer,
                                   JdbcDataSourceDialect dialect)

方法详细资料

start

public void start()

指定者:

start 在接口中 org.apache.flink.api.connector.source.SourceReader<T,SourceSplitBase>

覆盖:

start 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

initializedState

protected SourceSplitState initializedState(SourceSplitBase split)

指定者:

initializedState 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

snapshotState

public List<SourceSplitBase> snapshotState(long checkpointId)

指定者:

snapshotState 在接口中 org.apache.flink.api.connector.source.SourceReader<T,SourceSplitBase>

覆盖:

snapshotState 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

onSplitFinished

protected void onSplitFinished(Map<String,SourceSplitState> finishedSplitIds)

指定者:

onSplitFinished 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

addSplits

public void addSplits(List<SourceSplitBase> splits)

指定者:

addSplits 在接口中 org.apache.flink.api.connector.source.SourceReader<T,SourceSplitBase>

覆盖:

addSplits 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

handleSourceEvents

public void handleSourceEvents(org.apache.flink.api.connector.source.SourceEvent sourceEvent)

指定者:

handleSourceEvents 在接口中 org.apache.flink.api.connector.source.SourceReader<T,SourceSplitBase>

覆盖:

handleSourceEvents 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>

getNextMetaGroupId

public static int getNextMetaGroupId(int receivedMetaNum,
                                     int metaGroupSize)

Returns next meta group id according to received meta number and meta group size.

toSplitType

protected SourceSplitBase toSplitType(String splitId,
                                      SourceSplitState splitState)

指定者:

toSplitType 在类中 org.apache.flink.connector.base.source.reader.SourceReaderBase<org.apache.kafka.connect.source.SourceRecord,T,SourceSplitBase,SourceSplitState>