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

Class GridMergeIndexSorted

java.lang.Object

BaseIndex

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

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

public final class GridMergeIndexSorted
extends GridMergeIndex

Sorted index.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndex

GridMergeIndex.FetchingCursor, GridMergeIndex.Pollable<E>

Field Summary

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

firstRowCmp, lastRowCmp

Constructor Summary

Constructors

Constructor and Description
GridMergeIndexSorted(GridKernalContext ctx, GridMergeTable tbl, String name, IndexColumn[] cols)

Method Summary

Modifier and Type	Method and Description
protected void	addPage0(GridResultPage page)
protected void	checkBounds(Row lastEvictedRow, SearchRow first, SearchRow last)
boolean	fetchedAll()
protected Cursor	findAllFetched(List<Row> fetched, SearchRow first, SearchRow last)
protected Cursor	findInStream(SearchRow first, SearchRow last)
double	getCost(Session ses, int[] masks, TableFilter[] filters, int filter, SortOrder sortOrder, HashSet<Column> allColumnsSet)
void	setSources(Collection<ClusterNode> nodes, int segmentsCnt) Set source nodes.

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

add, addPage, binarySearchRow, canGetFirstOrLast, checkRename, close, createDummyLastPage, fail, fail, find, findFirstOrLast, getDiskSpaceUsed, getRowCount, getRowCountApproximation, hasSource, needRebuild, pollNextIterator, remove, remove, setPageSize, sources, truncate

Methods inherited from class java.lang.Object

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

Constructor Detail

GridMergeIndexSorted

public GridMergeIndexSorted(GridKernalContext ctx,
                            GridMergeTable tbl,
                            String name,
                            IndexColumn[] cols)

Parameters:

ctx - Kernal context.

tbl - Table.

name - Index name,

cols - Columns.

Method Detail

setSources

public void setSources(Collection<ClusterNode> nodes,
                       int segmentsCnt)

Set source nodes.

Overrides:

setSources in class GridMergeIndex

Parameters:

nodes - Nodes.

segmentsCnt - Index segments per table.

fetchedAll

public boolean fetchedAll()

Specified by:

fetchedAll in class GridMergeIndex

Returns:

true If we have fetched all the remote rows into a fetched list.

addPage0

protected void addPage0(GridResultPage page)

Specified by:

addPage0 in class GridMergeIndex

Parameters:

page - Page.

checkBounds

protected void checkBounds(Row lastEvictedRow,
                           SearchRow first,
                           SearchRow last)

Overrides:

checkBounds in class GridMergeIndex

Parameters:

lastEvictedRow - Last evicted fetched row.

first - Lower bound.

last - Upper bound.

findAllFetched

protected Cursor findAllFetched(List<Row> fetched,
                                SearchRow first,
                                SearchRow last)

Specified by:

findAllFetched in class GridMergeIndex

Parameters:

fetched - Fetched rows.

first - Lower bound.

last - Upper bound.

Returns:

Cursor.

getCost

public double getCost(Session ses,
                      int[] masks,
                      TableFilter[] filters,
                      int filter,
                      SortOrder sortOrder,
                      HashSet<Column> allColumnsSet)

findInStream

protected Cursor findInStream(SearchRow first,
                              SearchRow last)

Specified by:

findInStream in class GridMergeIndex

Parameters:

first - Lower bound.

last - Upper bound.

Returns:

Cursor. Usually it must be GridMergeIndex.FetchingCursor instance.