Package org.apache.ignite.internal.processors.query.h2.twostep

Class ReduceResultPage

java.lang.Object

org.apache.ignite.internal.processors.query.h2.twostep.ReduceResultPage

public class ReduceResultPage
extends Object

Page result.

Constructor Summary

Constructors

Constructor	Description
ReduceResultPage(GridKernalContext ctx, UUID src, GridQueryNextPageResponse res)

Method Summary

Modifier and Type	Method	Description
int	columnCount()
void	fetchNextPage()	Request next page.
boolean	isDummyLast()
boolean	isFail()
boolean	isLast()
GridQueryNextPageResponse	response()
Iterator<org.h2.value.Value[]>	rows()
int	rowsInPage()
int	segmentId()
ReduceResultPage	setLast(boolean last)
UUID	source()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceResultPage

public ReduceResultPage(GridKernalContext ctx,
                        UUID src,
                        GridQueryNextPageResponse res)

Parameters:

ctx - Kernal context.

src - Source.

res - Response.

Method Detail

isFail

public boolean isFail()

Returns:

true If this is a dummy fail page.

isLast

public boolean isLast()

Returns:

true If this is either a real last page for a source or a dummy terminating page with no rows.

isDummyLast

public boolean isDummyLast()

Returns:

true If it is a dummy last page.

setLast

public ReduceResultPage setLast(boolean last)

Parameters:

last - Last page for a source.

Returns:

this.

rowsInPage

public int rowsInPage()

Returns:

Number on rows in this page.

rows

public Iterator<org.h2.value.Value[]> rows()

Returns:

Rows.

columnCount

public int columnCount()

Returns:

Column count.

source

public UUID source()

Returns:

Result source node ID.

segmentId

public int segmentId()

Returns:

Segment ID.

response

public GridQueryNextPageResponse response()

Returns:

Response.

fetchNextPage

public void fetchNextPage()

Request next page.

toString

public String toString()

Overrides:

toString in class Object