org.apache.iceberg

Interface ScanTask

All Superinterfaces:

java.io.Serializable

All Known Subinterfaces:

CombinedScanTask, DataTask, FileScanTask

All Known Implementing Classes:

BaseCombinedScanTask

public interface ScanTask
extends java.io.Serializable

A scan task.

Method Summary

Modifier and Type	Method and Description
default CombinedScanTask	asCombinedScanTask() Returns this cast to CombinedScanTask if it is one
default DataTask	asDataTask() Returns this cast to DataTask if it is one
default FileScanTask	asFileScanTask() Returns this cast to FileScanTask if it is one
default boolean	isDataTask() Returns true if this is a DataTask, false otherwise.
default boolean	isFileScanTask() Returns true if this is a FileScanTask, false otherwise.

Method Detail

isFileScanTask

default boolean isFileScanTask()

Returns true if this is a FileScanTask, false otherwise.

asFileScanTask

default FileScanTask asFileScanTask()

Returns this cast to FileScanTask if it is one

Returns:

this cast to FileScanTask if it is one

Throws:

java.lang.IllegalStateException - if this is not a FileScanTask

isDataTask

default boolean isDataTask()

Returns true if this is a DataTask, false otherwise.

asDataTask

default DataTask asDataTask()

Returns this cast to DataTask if it is one

Returns:

this cast to DataTask if it is one

Throws:

java.lang.IllegalStateException - if this is not a DataTask

asCombinedScanTask

default CombinedScanTask asCombinedScanTask()

Returns this cast to CombinedScanTask if it is one

Returns:

this cast to CombinedScanTask if it is one

Throws:

java.lang.IllegalStateException - if this is not a CombinedScanTask