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

Class UnsortedOneWayReducer

java.lang.Object

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

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

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

public class UnsortedOneWayReducer
extends UnsortedBaseReducer

Unsorted merge index.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Reducer.RowComparator Rows comparator.

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.twostep.UnsortedBaseReducer

activeSourcesCnt, iter, queue

Fields inherited from class org.apache.ignite.internal.processors.query.h2.twostep.AbstractReducer

fetched, memTracker, srcNodes

Constructor Summary

Constructors

Constructor and Description
UnsortedOneWayReducer(GridKernalContext ctx) Constructor.

Method Summary

Modifier and Type	Method and Description
static UnsortedOneWayReducer	createDummy(GridKernalContext ctx)
protected org.gridgain.internal.h2.index.Cursor	findInStream(org.gridgain.internal.h2.result.SearchRow first, org.gridgain.internal.h2.result.SearchRow last)

Methods inherited from class org.apache.ignite.internal.processors.query.h2.twostep.UnsortedBaseReducer

addPage0, fetchedAll, findAllFetched, setSources

Methods inherited from class org.apache.ignite.internal.processors.query.h2.twostep.AbstractReducer

addPage, checkBounds, createDummyLastPage, fail, find, hasSource, memoryTracker, memoryTracker, onBlockEvict, onFailure, pollNextIterator, setPageSize, sources

Methods inherited from class java.lang.Object

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

Constructor Detail

UnsortedOneWayReducer

public UnsortedOneWayReducer(GridKernalContext ctx)

Constructor.

Parameters:

ctx - Context.

Method Detail

createDummy

public static UnsortedOneWayReducer createDummy(GridKernalContext ctx)

Parameters:

ctx - Context.

Returns:

Dummy index instance.

findInStream

protected org.gridgain.internal.h2.index.Cursor findInStream(org.gridgain.internal.h2.result.SearchRow first,
                                                             org.gridgain.internal.h2.result.SearchRow last)

Specified by:

findInStream in class AbstractReducer

Parameters:

first - Row.

last - Row.

Returns:

Cursor over remote streams.