org.apache.drill.exec.physical.impl

Class ScreenCreator.ScreenRoot

java.lang.Object

org.apache.drill.exec.physical.impl.BaseRootExec

org.apache.drill.exec.physical.impl.ScreenCreator.ScreenRoot

All Implemented Interfaces:

AutoCloseable, RootExec

Enclosing class:

ScreenCreator

public static class ScreenCreator.ScreenRoot
extends BaseRootExec

Transfer batches to a user connection. The user connection is typically a network connection, but may be internal for a web or REST client. Data is sent as a "package", allowing the network client to request serialization, and the internal client to just transfer buffer ownership.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ScreenCreator.ScreenRoot.Metric

Field Summary

Fields inherited from class org.apache.drill.exec.physical.impl.BaseRootExec

ENABLE_BATCH_DUMP_CONFIG, fragmentContext, oContext, stats

Constructor Summary

Constructors

Constructor and Description
ScreenRoot(RootFragmentContext context, RecordBatch incoming, Screen config)

Method Summary

Modifier and Type	Method and Description
void	close()
RootFragmentContext	getContext()
protected RecordBatch	getIncoming()
boolean	innerNext()

Methods inherited from class org.apache.drill.exec.physical.impl.BaseRootExec

dumpBatches, findLeaf, next, next, receivingFragmentFinished

Methods inherited from class java.lang.Object

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

Constructor Detail

ScreenRoot

public ScreenRoot(RootFragmentContext context,
                  RecordBatch incoming,
                  Screen config)

Method Detail

innerNext

public boolean innerNext()

Specified by:

innerNext in class BaseRootExec

getContext

public RootFragmentContext getContext()

getIncoming

protected RecordBatch getIncoming()

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Overrides:

close in class BaseRootExec

Throws:

Exception