Package io.pravega.client.stream.impl

Class EventReadImpl<T>

java.lang.Object

io.pravega.client.stream.impl.EventReadImpl<T>

All Implemented Interfaces:

EventRead<T>

public class EventReadImpl<T>
extends java.lang.Object
implements EventRead<T>

Constructor Summary

Constructors

Constructor	Description
EventReadImpl(T event, Position position, EventPointer eventPointer, java.lang.String checkpointName)

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(java.lang.Object other)
boolean	equals(java.lang.Object o)
java.lang.String	getCheckpointName()	If a checkpoint has been requested this will return the checkpointName passed to ReaderGroup.initiateCheckpoint(String,ScheduledExecutorService) otherwise this will return null.
T	getEvent()	Returns the event that is wrapped in this EventRead or null a timeout occurred or if a checkpoint was requested.
EventPointer	getEventPointer()	Returns a pointer object for the event read.
Position	getPosition()	The position in the stream that represents where the reader is immediately following this event.
int	hashCode()
boolean	isCheckpoint()	A boolean indicating if this is a checkpoint.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EventReadImpl

@ConstructorProperties({"event","position","eventPointer","checkpointName"})
public EventReadImpl(T event,
                     Position position,
                     EventPointer eventPointer,
                     java.lang.String checkpointName)

Method Detail

isCheckpoint

public boolean isCheckpoint()

Description copied from interface: EventRead

A boolean indicating if this is a checkpoint. In which case EventRead.getCheckpointName() will be non-null and EventRead.getEvent() will be null.

Specified by:

isCheckpoint in interface EventRead<T>

Returns:

true if this is a checkpoint.

getEvent

public T getEvent()

Description copied from interface: EventRead

Returns the event that is wrapped in this EventRead or null a timeout occurred or if a checkpoint was requested.

Specified by:

getEvent in interface EventRead<T>

Returns:

The event itself.

getPosition

public Position getPosition()

Description copied from interface: EventRead

The position in the stream that represents where the reader is immediately following this event. It is useful to store this so that ReaderGroup.readerOffline(String, Position) can be called if the reader dies.

Specified by:

getPosition in interface EventRead<T>

Returns:

Position of the event

getEventPointer

public EventPointer getEventPointer()

Description copied from interface: EventRead

Returns a pointer object for the event read. The event pointer enables a random read of the event at a future time.

Specified by:

getEventPointer in interface EventRead<T>

Returns:

Pointer to an event

getCheckpointName

public java.lang.String getCheckpointName()

Description copied from interface: EventRead

If a checkpoint has been requested this will return the checkpointName passed to ReaderGroup.initiateCheckpoint(String,ScheduledExecutorService) otherwise this will return null.

Specified by:

getCheckpointName in interface EventRead<T>

Returns:

The name of the checkpoint

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

canEqual

protected boolean canEqual(java.lang.Object other)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object