org.apache.iceberg

Class BaseCombinedScanTask

java.lang.Object

org.apache.iceberg.BaseCombinedScanTask

All Implemented Interfaces:

java.io.Serializable, CombinedScanTask, ScanTask, ScanTaskGroup<FileScanTask>

public class BaseCombinedScanTask
extends java.lang.Object
implements CombinedScanTask

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BaseCombinedScanTask(FileScanTask... tasks)
BaseCombinedScanTask(java.util.List<FileScanTask> tasks)

Method Summary

Modifier and Type	Method and Description
long	estimatedRowsCount() The estimated number of rows produced by this scan task.
java.util.Collection<FileScanTask>	files() Return the tasks in this combined task.
int	filesCount() The number of files that will be opened by this scan task.
long	sizeBytes() The number of bytes that should be read by this scan task.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iceberg.CombinedScanTask

asCombinedScanTask, tasks

Methods inherited from interface org.apache.iceberg.ScanTaskGroup

groupingKey

Methods inherited from interface org.apache.iceberg.ScanTask

asDataTask, asFileScanTask, isDataTask, isFileScanTask

Constructor Detail

BaseCombinedScanTask

public BaseCombinedScanTask(FileScanTask... tasks)

BaseCombinedScanTask

public BaseCombinedScanTask(java.util.List<FileScanTask> tasks)

Method Detail

files

public java.util.Collection<FileScanTask> files()

Description copied from interface: CombinedScanTask

Return the tasks in this combined task.

Specified by:

files in interface CombinedScanTask

Returns:

a Collection of FileScanTask instances.

sizeBytes

public long sizeBytes()

Description copied from interface: ScanTask

The number of bytes that should be read by this scan task.

Specified by:

sizeBytes in interface ScanTask

Specified by:

sizeBytes in interface ScanTaskGroup<FileScanTask>

Returns:

the total number of bytes to read

estimatedRowsCount

public long estimatedRowsCount()

Description copied from interface: ScanTask

The estimated number of rows produced by this scan task.

Specified by:

estimatedRowsCount in interface ScanTask

Specified by:

estimatedRowsCount in interface ScanTaskGroup<FileScanTask>

Returns:

the estimated number of produced rows

filesCount

public int filesCount()

Description copied from interface: ScanTask

The number of files that will be opened by this scan task.

Specified by:

filesCount in interface ScanTask

Specified by:

filesCount in interface ScanTaskGroup<FileScanTask>

Returns:

the number of files to open

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object