org.apache.drill.exec.physical.impl

Class WriterRecordBatch

java.lang.Object

org.apache.drill.exec.record.AbstractRecordBatch<Writer>

org.apache.drill.exec.physical.impl.WriterRecordBatch

All Implemented Interfaces:

AutoCloseable, Iterable<VectorWrapper<?>>, CloseableRecordBatch, RecordBatch, VectorAccessible

public class WriterRecordBatch
extends AbstractRecordBatch<Writer>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.record.AbstractRecordBatch

AbstractRecordBatch.BatchState

Nested classes/interfaces inherited from interface org.apache.drill.exec.record.RecordBatch

RecordBatch.IterOutcome

Field Summary

Fields inherited from class org.apache.drill.exec.record.AbstractRecordBatch

container, context, oContext, popConfig, state, stats, unionTypeEnabled

Fields inherited from interface org.apache.drill.exec.record.RecordBatch

MAX_BATCH_SIZE

Constructor Summary

Constructors

Constructor and Description
WriterRecordBatch(Writer writer, RecordBatch incoming, FragmentContext context, RecordWriter recordWriter)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
int	getRecordCount() Gets the number of records that are within this record.
BatchSchema	getSchema() Gets the current schema of this record batch.
RecordBatch.IterOutcome	innerNext()
protected void	killIncoming(boolean sendUpstream)
protected void	setupNewSchema()

Methods inherited from class org.apache.drill.exec.record.AbstractRecordBatch

buildSchema, getContext, getOutgoingContainer, getPopConfig, getSelectionVector2, getSelectionVector4, getValueAccessorById, getValueVectorId, getWritableBatch, iterator, kill, next, next, next

Methods inherited from class java.lang.Object

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

Constructor Detail

WriterRecordBatch

public WriterRecordBatch(Writer writer,
                 RecordBatch incoming,
                 FragmentContext context,
                 RecordWriter recordWriter)
                  throws OutOfMemoryException

Throws:

OutOfMemoryException

Method Detail

getRecordCount

public int getRecordCount()

Description copied from interface: RecordBatch

Gets the number of records that are within this record.

Returns:

number of records

killIncoming

protected void killIncoming(boolean sendUpstream)

Specified by:

killIncoming in class AbstractRecordBatch<Writer>

getSchema

public BatchSchema getSchema()

Description copied from interface: RecordBatch

Gets the current schema of this record batch.

May be called only when the most recent call to RecordBatch.next(), if any, returned #OK_NEW_SCHEMA or #OK.

The schema changes when and only when RecordBatch.next() returns #OK_NEW_SCHEMA.

Specified by:

getSchema in interface RecordBatch

Specified by:

getSchema in interface VectorAccessible

Overrides:

getSchema in class AbstractRecordBatch<Writer>

Returns:

schema of the current batch

innerNext

public RecordBatch.IterOutcome innerNext()

Specified by:

innerNext in class AbstractRecordBatch<Writer>

setupNewSchema

protected void setupNewSchema()
                       throws IOException

Throws:

IOException

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordBatch<Writer>