EmptyCheckpointMark (3 2.61.0 API)

java.lang.Object
- org.apache.beam.runners.spark.io.EmptyCheckpointMark

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.io.UnboundedSource.CheckpointMark
```
public class EmptyCheckpointMark
extends java.lang.Object
implements org.apache.beam.sdk.io.UnboundedSource.CheckpointMark, java.io.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

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark
  org.apache.beam.sdk.io.UnboundedSource.CheckpointMark.NoopCheckpointMark

Field Summary
- Fields inherited from interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark
  NOOP_CHECKPOINT_MARK

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(@Nullable java.lang.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 java.io.IOException
```
    Specified by:
    
    finalizeCheckpoint in interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark
    
    Throws:
    
    java.io.IOException
  - equals
```
public boolean equals(@Nullable java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object