org.apache.ignite.internal.processors.query.h2.opt.join

Class BroadcastCursor

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.join.BroadcastCursor

All Implemented Interfaces:

Comparator<RangeStream>, org.gridgain.internal.h2.index.Cursor

public class BroadcastCursor
extends Object
implements org.gridgain.internal.h2.index.Cursor, Comparator<RangeStream>

Merge cursor from multiple nodes.

Field Summary

Fields inherited from interface org.gridgain.internal.h2.index.Cursor

EMPTY

Constructor Summary

Constructors

Constructor and Description
BroadcastCursor(GridH2IndexBase idx, int rangeId, Collection<SegmentKey> segmentKeys, Map<SegmentKey,RangeStream> rangeStreams)

Method Summary

Modifier and Type	Method and Description
int	compare(RangeStream o1, RangeStream o2)
org.gridgain.internal.h2.result.Row	get()
org.gridgain.internal.h2.result.SearchRow	getSearchRow()
boolean	next()
boolean	previous()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

BroadcastCursor

public BroadcastCursor(GridH2IndexBase idx,
                       int rangeId,
                       Collection<SegmentKey> segmentKeys,
                       Map<SegmentKey,RangeStream> rangeStreams)

Parameters:

rangeId - Range ID.

segmentKeys - Remote nodes.

rangeStreams - Range streams.

Method Detail

compare

public int compare(RangeStream o1,
                   RangeStream o2)

Specified by:

compare in interface Comparator<RangeStream>

next

public boolean next()

Specified by:

next in interface org.gridgain.internal.h2.index.Cursor

get

public org.gridgain.internal.h2.result.Row get()

Specified by:

get in interface org.gridgain.internal.h2.index.Cursor

getSearchRow

public org.gridgain.internal.h2.result.SearchRow getSearchRow()

Specified by:

getSearchRow in interface org.gridgain.internal.h2.index.Cursor

previous

public boolean previous()

Specified by:

previous in interface org.gridgain.internal.h2.index.Cursor