org.apache.beam.runners.spark.io

Class EmptyCheckpointMark

java.lang.Object

org.apache.beam.runners.spark.io.EmptyCheckpointMark

All Implemented Interfaces:

Serializable, UnboundedSource.CheckpointMark

public class EmptyCheckpointMark
extends Object
implements UnboundedSource.CheckpointMark, Serializable

Passing null values to Spark's Java API may cause problems because of Guava preconditions. See: JavaUtils.optionToOptional(scala.Option<T>)

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
void	finalizeCheckpoint()
static EmptyCheckpointMark	get()
int	hashCode()

Methods inherited from class java.lang.Object

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

Method Detail

get

public static EmptyCheckpointMark get()

finalizeCheckpoint

public void finalizeCheckpoint()
                        throws IOException

Specified by:

finalizeCheckpoint in interface UnboundedSource.CheckpointMark

Throws:

IOException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object