com.aliyun.odps.table.read.impl.batch

Class SplitArrowReaderImpl

java.lang.Object

com.aliyun.odps.table.read.impl.batch.SplitArrowReaderImpl

All Implemented Interfaces:

SplitReader<org.apache.arrow.vector.VectorSchemaRoot>, Closeable, AutoCloseable

public class SplitArrowReaderImpl
extends Object
implements SplitReader<org.apache.arrow.vector.VectorSchemaRoot>

Constructor Summary

Constructors

Constructor and Description
SplitArrowReaderImpl(TableIdentifier identifier, InputSplit split, ReaderOptions options)

Method Summary

Modifier and Type	Method and Description
void	close()
Metrics	currentMetricsValues() Returns metrics for this reader
org.apache.arrow.vector.VectorSchemaRoot	get() Return the current record.
boolean	hasNext() Proceed to next record, returns false if there is no more records.

Methods inherited from class java.lang.Object

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

Constructor Detail

SplitArrowReaderImpl

public SplitArrowReaderImpl(TableIdentifier identifier,
                            InputSplit split,
                            ReaderOptions options)
                     throws IOException

Throws:

IOException

Method Detail

hasNext

public boolean hasNext()
                throws IOException

Description copied from interface: SplitReader

Proceed to next record, returns false if there is no more records.

Specified by:

hasNext in interface SplitReader<org.apache.arrow.vector.VectorSchemaRoot>

Throws:

IOException - if failure happens during network IO.

get

public org.apache.arrow.vector.VectorSchemaRoot get()

Description copied from interface: SplitReader

Return the current record. This method should return same value until `hasNext` is called.

Specified by:

get in interface SplitReader<org.apache.arrow.vector.VectorSchemaRoot>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

currentMetricsValues

public Metrics currentMetricsValues()

Description copied from interface: SplitReader

Returns metrics for this reader

Specified by:

currentMetricsValues in interface SplitReader<org.apache.arrow.vector.VectorSchemaRoot>