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

类 JdbcSourceScanFetcher

java.lang.Object

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

所有已实现的接口:

Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>

public class JdbcSourceScanFetcher
extends Object
implements Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>

Fetcher to fetch data from table split, the split is the snapshot split SnapshotSplit.

字段概要

字段

限定符和类型	字段和说明
AtomicBoolean	hasNextElement
AtomicBoolean	reachEnd

构造器概要

构造器

构造器和说明
JdbcSourceScanFetcher(JdbcSourceFetchTaskContext taskContext, int subtaskId)

方法概要

限定符和类型	方法和说明
void	close() Close the client and releases all resources.
boolean	isFinished() Return the current fetch task is finished or not.
Iterator<org.apache.kafka.connect.source.SourceRecord>	pollSplitRecords() Fetched records from data source.
void	submitTask(FetchTask<SourceSplitBase> fetchTask) Add to task to fetch, this should call only when the reader is idle.

从类继承的方法 java.lang.Object

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

字段详细资料

hasNextElement

public AtomicBoolean hasNextElement

reachEnd

public AtomicBoolean reachEnd

构造器详细资料

JdbcSourceScanFetcher

public JdbcSourceScanFetcher(JdbcSourceFetchTaskContext taskContext,
                             int subtaskId)

方法详细资料

submitTask

public void submitTask(FetchTask<SourceSplitBase> fetchTask)

从接口复制的说明: Fetcher

Add to task to fetch, this should call only when the reader is idle.

指定者:

submitTask 在接口中 Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>

isFinished

public boolean isFinished()

从接口复制的说明: Fetcher

Return the current fetch task is finished or not.

指定者:

isFinished 在接口中 Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>

pollSplitRecords

@Nullable
public Iterator<org.apache.kafka.connect.source.SourceRecord> pollSplitRecords()
                                                                                   throws InterruptedException

从接口复制的说明: Fetcher

Fetched records from data source. The method should return null when reaching the end of the split, the empty Iterator will be returned if the data of split is on pulling.

指定者:

pollSplitRecords 在接口中 Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>

抛出:

InterruptedException

close

public void close()

从接口复制的说明: Fetcher

Close the client and releases all resources.

指定者:

close 在接口中 Fetcher<org.apache.kafka.connect.source.SourceRecord,SourceSplitBase>