Package org.apache.flink.connector.base.source.reader

Class RecordsBySplits<E>

java.lang.Object

org.apache.flink.connector.base.source.reader.RecordsBySplits<E>

All Implemented Interfaces:

RecordsWithSplitIds<E>

@PublicEvolving
public class RecordsBySplits<E>
extends Object
implements RecordsWithSplitIds<E>

An implementation of RecordsWithSplitIds to host all the records by splits.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RecordsBySplits.Builder<E>	A utility builder to collect records in individual calls, rather than put a finished collection in the RecordsBySplits(Map, Set) constructor.

Constructor Summary

Constructors

Constructor	Description
RecordsBySplits(Map<String,Collection<E>> recordsBySplit, Set<String> finishedSplits)

Method Summary

Modifier and Type	Method	Description
Set<String>	finishedSplits()	Get the finished splits.
E	nextRecordFromSplit()	Gets the next record from the current split.
String	nextSplit()	Moves to the next split.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.connector.base.source.reader.RecordsWithSplitIds

recycle

Constructor Detail

RecordsBySplits

public RecordsBySplits(Map<String,Collection<E>> recordsBySplit,
                       Set<String> finishedSplits)

Method Detail

nextSplit

@Nullable
public String nextSplit()

Description copied from interface: RecordsWithSplitIds

Moves to the next split. This method is also called initially to move to the first split. Returns null, if no splits are left.

Specified by:

nextSplit in interface RecordsWithSplitIds<E>

nextRecordFromSplit

@Nullable
public E nextRecordFromSplit()

Description copied from interface: RecordsWithSplitIds

Gets the next record from the current split. Returns null if no more records are left in this split.

Specified by:

nextRecordFromSplit in interface RecordsWithSplitIds<E>

finishedSplits

public Set<String> finishedSplits()

Description copied from interface: RecordsWithSplitIds

Get the finished splits.

Specified by:

finishedSplits in interface RecordsWithSplitIds<E>

Returns:

the finished splits after this RecordsWithSplitIds is returned.