Package io.pravega.client.stream.impl

Class ReaderGroupState

java.lang.Object

io.pravega.client.stream.impl.ReaderGroupState

All Implemented Interfaces:

Revisioned

public class ReaderGroupState
extends java.lang.Object
implements Revisioned

This class encapsulates the state machine of a reader group. The class represents the full state, and each of the nested classes are state transitions that can occur.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ReaderGroupState.ReaderGroupInitSerializer
static class	ReaderGroupState.ReaderGroupStateInit
static class	ReaderGroupState.ReaderGroupUpdateSerializer

Method Summary

Modifier and Type	Method	Description
ReaderGroupConfig	getConfig()
int	getNumberOfSegments()	Returns the number of segments currently being read from and that are unassigned within the reader group.
java.util.Set<java.lang.String>	getOnlineReaders()
Revision	getRevision()	Returns the revision corresponding to this object.
java.lang.String	getScopedStreamName()	Returns the scoped name of this stream used to persist this object.
boolean	isEndOfData()	This functions returns true if the readers part of reader group for sealed streams have completely read the data.
boolean	isUpdatingConfig()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getOnlineReaders

public java.util.Set<java.lang.String> getOnlineReaders()

getRevision

public Revision getRevision()

Description copied from interface: Revisioned

Returns the revision corresponding to this object.

Specified by:

getRevision in interface Revisioned

Returns:

Revision object

getScopedStreamName

public java.lang.String getScopedStreamName()

Description copied from interface: Revisioned

Returns the scoped name of this stream used to persist this object.

Specified by:

getScopedStreamName in interface Revisioned

Returns:

String indicating full stream name including its scope appended to it

getNumberOfSegments

public int getNumberOfSegments()

Returns the number of segments currently being read from and that are unassigned within the reader group.

Returns:

Number of segments.

isEndOfData

public boolean isEndOfData()

This functions returns true if the readers part of reader group for sealed streams have completely read the data.

Returns:

true if end of data. false if there are segments to be read from.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getConfig

public ReaderGroupConfig getConfig()

isUpdatingConfig

public boolean isUpdatingConfig()