org.apache.paimon.flink.source

Class SplitListState<T>

java.lang.Object

org.apache.paimon.flink.source.SplitListState<T>

All Implemented Interfaces:

org.apache.flink.api.common.state.AppendingState<T,Iterable<T>>, org.apache.flink.api.common.state.ListState<T>, org.apache.flink.api.common.state.MergingState<T,Iterable<T>>, org.apache.flink.api.common.state.State

public class SplitListState<T>
extends Object
implements org.apache.flink.api.common.state.ListState<T>

Utility class to provide ListState-like experience for sources that use SimpleSourceSplit.

Constructor Summary

Constructors

Constructor and Description
SplitListState(String identifier, java.util.function.Function<T,String> serializer, java.util.function.Function<String,T> deserializer)

Method Summary

Modifier and Type	Method and Description
void	add(T value)
void	addAll(List<T> values)
void	clear()
List<T>	get()
void	restoreState(List<SimpleSourceSplit> splits)
List<SimpleSourceSplit>	snapshotState()
void	update(List<T> values)

Methods inherited from class java.lang.Object

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

Constructor Detail

SplitListState

public SplitListState(String identifier,
                      java.util.function.Function<T,String> serializer,
                      java.util.function.Function<String,T> deserializer)

Method Detail

add

public void add(T value)

Specified by:

add in interface org.apache.flink.api.common.state.AppendingState<T,Iterable<T>>

get

public List<T> get()

Specified by:

get in interface org.apache.flink.api.common.state.AppendingState<T,Iterable<T>>

update

public void update(List<T> values)

Specified by:

update in interface org.apache.flink.api.common.state.ListState<T>

addAll

public void addAll(List<T> values)
            throws Exception

Specified by:

addAll in interface org.apache.flink.api.common.state.ListState<T>

Throws:

Exception

clear

public void clear()

Specified by:

clear in interface org.apache.flink.api.common.state.State

snapshotState

public List<SimpleSourceSplit> snapshotState()

restoreState

public void restoreState(List<SimpleSourceSplit> splits)