org.apache.flink.connector.mongodb.source.enumerator.assigner

类 MongoScanSplitAssigner

java.lang.Object

org.apache.flink.connector.mongodb.source.enumerator.assigner.MongoScanSplitAssigner

所有已实现的接口:

MongoSplitAssigner

@Internal
public class MongoScanSplitAssigner
extends Object
implements MongoSplitAssigner

The split assigner for MongoScanSourceSplit.

构造器概要

构造器

构造器和说明
MongoScanSplitAssigner(MongoConnectionOptions connectionOptions, MongoReadOptions readOptions, MongoSourceEnumState sourceEnumState)

方法概要

限定符和类型	方法和说明
void	addSplitsBack(Collection<MongoSourceSplit> splits) Adds a set of splits to this assigner.
void	close() Called to close the assigner, in case it holds on to any resources, like threads or network connections.
Optional<MongoSourceSplit>	getNext() Gets the next split to assign to MongoSourceSplitReader when MongoSourceEnumerator receives a split request, until there are MongoSplitAssigner.noMoreSplits().
boolean	noMoreSplits() Return whether there are no more splits.
void	open() Called to open the assigner to acquire any resources, like threads or network connections.
MongoSourceEnumState	snapshotState(long checkpointId) Snapshot the current assign state into checkpoint.

从类继承的方法 java.lang.Object

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

构造器详细资料

MongoScanSplitAssigner

public MongoScanSplitAssigner(MongoConnectionOptions connectionOptions,
                              MongoReadOptions readOptions,
                              MongoSourceEnumState sourceEnumState)

方法详细资料

open

public void open()

从接口复制的说明: MongoSplitAssigner

Called to open the assigner to acquire any resources, like threads or network connections.

指定者:

open 在接口中 MongoSplitAssigner

getNext

public Optional<MongoSourceSplit> getNext()

从接口复制的说明: MongoSplitAssigner

Gets the next split to assign to MongoSourceSplitReader when MongoSourceEnumerator receives a split request, until there are MongoSplitAssigner.noMoreSplits().

指定者:

getNext 在接口中 MongoSplitAssigner

addSplitsBack

public void addSplitsBack(Collection<MongoSourceSplit> splits)

从接口复制的说明: MongoSplitAssigner

Adds a set of splits to this assigner. This happens for example when some split processing failed and the splits need to be re-added.

指定者:

addSplitsBack 在接口中 MongoSplitAssigner

snapshotState

public MongoSourceEnumState snapshotState(long checkpointId)

从接口复制的说明: MongoSplitAssigner

Snapshot the current assign state into checkpoint.

指定者:

snapshotState 在接口中 MongoSplitAssigner

noMoreSplits

public boolean noMoreSplits()

从接口复制的说明: MongoSplitAssigner

Return whether there are no more splits.

指定者:

noMoreSplits 在接口中 MongoSplitAssigner

close

public void close()
           throws IOException

从接口复制的说明: MongoSplitAssigner

Called to close the assigner, in case it holds on to any resources, like threads or network connections.

指定者:

close 在接口中 MongoSplitAssigner

抛出:

IOException