com.aliyun.odps.table.write

Interface BatchWriter<T>

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

ArrowWriterImpl

public interface BatchWriter<T>
extends Closeable

A batch data writer returned by TableBatchWriteSession and is responsible for writing data for an data partition.

Method Summary

Modifier and Type	Method and Description
void	abort() Aborts this writer if it is failed.
WriterCommitMessage	commit() Commits this writer after all records are written successfully, returns a commit message which will be sent back to table sink
default Metrics	currentMetricsValues() Returns metrics for this writer
T	newElement() Returns an new element for write(T)
void	write(T record) Writes one element.

Methods inherited from interface java.io.Closeable

close

Method Detail

newElement

T newElement()

Returns an new element for write(T)

Returns:

write

void write(T record)
    throws IOException

Writes one element.

If this method fails (by throwing an exception), abort() will be called

Throws:

IOException - if failure happens during IO.

abort

void abort()
    throws IOException

Aborts this writer if it is failed.

Throws:

IOException

commit

WriterCommitMessage commit()
                    throws IOException

Commits this writer after all records are written successfully, returns a commit message which will be sent back to table sink

Throws:

IOException

currentMetricsValues

default Metrics currentMetricsValues()

Returns metrics for this writer