Module org.apache.arrow.dataset

Package org.apache.arrow.dataset.jni

Class NativeScanTask

java.lang.Object

org.apache.arrow.dataset.jni.NativeScanTask

All Implemented Interfaces:

AutoCloseable, ScanTask

@Deprecated
public class NativeScanTask
extends Object
implements ScanTask

Deprecated.

Native implementation of ScanTask. Currently RecordBatches are iterated directly by the scanner id via JniWrapper, thus we allow only one-time execution of method execute(). If a re-scan operation is expected, call NativeDataset.newScan(org.apache.arrow.dataset.scanner.ScanOptions) to create a new scanner instance.

Constructor Summary

Constructors

Constructor	Description
NativeScanTask(NativeScanner scanner)	Deprecated. Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Deprecated.
ArrowReader	execute()	Deprecated. Execute this ScanTask and return a Reader instance.

Methods inherited from class java.lang.Object

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

Constructor Details

NativeScanTask

public NativeScanTask(NativeScanner scanner)

Deprecated.

Constructor.

Method Details

execute

public ArrowReader execute()

Deprecated.

Description copied from interface: ScanTask

Execute this ScanTask and return a Reader instance.

Specified by:

execute in interface ScanTask

close

public void close()

Deprecated.

Specified by:

close in interface AutoCloseable