com.aliyun.odps.table.arrow

Interface ArrowReader

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

ArrowBatchNonReusedReader, ArrowBatchReusedReader

public interface ArrowReader
extends Closeable

An arrow batch reader that reads into VectorSchemaRoot directly.

Method Summary

Modifier and Type	Method and Description
long	bytesRead() Return the current read bytes.
org.apache.arrow.vector.VectorSchemaRoot	getCurrentValue() Return the current arrow batch.
boolean	nextBatch() Proceed to next arrow batch, returns false if there is no more batches.

Methods inherited from interface java.io.Closeable

close

Method Detail

getCurrentValue

org.apache.arrow.vector.VectorSchemaRoot getCurrentValue()

Return the current arrow batch. This method should return same value until `nextBatch` is called.

nextBatch

boolean nextBatch()
           throws IOException

Proceed to next arrow batch, returns false if there is no more batches.

Throws:

IOException - if failure happens during network IO.

bytesRead

long bytesRead()

Return the current read bytes.