org.apache.flink.runtime.state.filemerging.EmptySegmentFileStateHandle

All Implemented Interfaces:: Serializable, StateObject, StreamStateHandle

public class EmptySegmentFileStateHandle extends SegmentFileStateHandle

An empty SegmentFileStateHandle that is only used as a placeholder.

See Also:

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.state.StateObject
StateObject.StateObjectLocation, StateObject.StateObjectSizeStatsCollector
Field Summary

Fields

Modifier and Type

Field

Description

static final EmptySegmentFileStateHandle

INSTANCE

Fields inherited from class org.apache.flink.runtime.state.filemerging.SegmentFileStateHandle
stateSize
Method Summary

Modifier and Type

Method

Description

org.apache.flink.core.fs.FSDataInputStream

openInputStream()

Returns an FSDataInputStream that can be used to read back the data that was previously written to the stream.

Methods inherited from class org.apache.flink.runtime.state.filemerging.SegmentFileStateHandle
asBytesIfInMemory, collectSizeStats, discardState, equals, getFilePath, getLogicalFileId, getScope, getStartPos, getStateSize, getStreamStateHandleID, hashCode, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.flink.runtime.state.StreamStateHandle
maybeGetPath

Field Details
- INSTANCE
  
  public static final EmptySegmentFileStateHandle INSTANCE
Method Details
- openInputStream
  
  public org.apache.flink.core.fs.FSDataInputStream openInputStream() throws IOException
  
  Description copied from interface: StreamStateHandle
  
  Returns an FSDataInputStream that can be used to read back the data that was previously written to the stream.
  
  Specified by:
  
  openInputStream in interface StreamStateHandle
  
  Overrides:
  
  openInputStream in class SegmentFileStateHandle
  
  Throws:
  
  IOException

Class EmptySegmentFileStateHandle

Nested Class Summary