org.apache.ignite.internal.processors.query.h2.disk

Class GroupedExternalResult

java.lang.Object

org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult<Object>

org.apache.ignite.internal.processors.query.h2.disk.GroupedExternalResult

All Implemented Interfaces:

AutoCloseable

public class GroupedExternalResult
extends AbstractExternalResult<Object>

Wrapper for spilled groups file.

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult

data, log, memMgr, memTracker, parent, size

Constructor Summary

Constructors

Constructor and Description
GroupedExternalResult(org.gridgain.internal.h2.engine.Session ses, long initSize)

Method Summary

Modifier and Type	Method and Description
Map.Entry<org.gridgain.internal.h2.value.ValueRow,Object[]>	next()
void	reset() Invoked after all rows have been spilled to disk.
void	spillGroupsToDisk(Map<org.gridgain.internal.h2.value.ValueRow,Object[]> groups)

Methods inherited from class org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult

close, closeChild, needToSpill, onChildCreated, onClose, size

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupedExternalResult

public GroupedExternalResult(org.gridgain.internal.h2.engine.Session ses,
                             long initSize)

Parameters:

ses - Session.

initSize - Initial size;

Method Detail

next

public Map.Entry<org.gridgain.internal.h2.value.ValueRow,Object[]> next()

spillGroupsToDisk

public void spillGroupsToDisk(Map<org.gridgain.internal.h2.value.ValueRow,Object[]> groups)

Parameters:

groups - Groups to spill.

reset

public void reset()

Invoked after all rows have been spilled to disk.