org.apache.ignite.internal.cache.query.index.sorted.client

Class ClientInlineIndex

java.lang.Object

org.apache.ignite.internal.cache.query.index.AbstractIndex

org.apache.ignite.internal.cache.query.index.sorted.client.AbstractClientIndex

org.apache.ignite.internal.cache.query.index.sorted.client.ClientInlineIndex

All Implemented Interfaces:

Index, InlineIndex, SortedSegmentedIndex

public class ClientInlineIndex
extends AbstractClientIndex
implements InlineIndex

We need indexes on non-affinity nodes. This index does not contain any data.

Constructor Summary

Constructors

Constructor and Description
ClientInlineIndex(IndexDefinition def, int inlineSize)

Method Summary

Modifier and Type	Method and Description
long	count(int segment) Counts index rows in specified tree segment.
long	count(int segment, IndexQueryContext qryCtx) Counts index rows in specified tree segment with cache filter.
boolean	created() true if index is created and false if it is restored from disk.
GridCursor<IndexRow>	find(IndexRow lower, IndexRow upper, boolean lowIncl, boolean upIncl, IndexQueryContext qryCtx) Finds index rows by specified range in all tree segments with cache filtering.
GridCursor<IndexRow>	find(IndexRow lower, IndexRow upper, boolean lowIncl, boolean upIncl, int segment, IndexQueryContext qryCtx) Finds index rows by specified range in specifed tree segment with cache filtering.
GridCursor<IndexRow>	findFirst(int segment, IndexQueryContext qryCtx) Finds first index row for specified tree segment and cache filter.
GridCursor<IndexRow>	findFirstOrLast(IndexQueryContext qryCtx, boolean first) Takes only one first or last index record.
GridCursor<IndexRow>	findLast(int segment, IndexQueryContext qryCtx) Finds last index row for specified tree segment and cache filter.
UUID	id() Unique ID.
IndexDefinition	indexDefinition()
int	inlineSize()
String	name() Index name.
InlineIndexTree	segment(int segment)
int	segmentsCount() Returns amount of index tree segments.
long	totalCount() Counts index rows for all segments.

Methods inherited from class org.apache.ignite.internal.cache.query.index.sorted.client.AbstractClientIndex

canHandle, destroy, onUpdate, unsupported

Methods inherited from class org.apache.ignite.internal.cache.query.index.AbstractIndex

markIndexRebuild, rebuildInProgress, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.cache.query.index.Index

canHandle, destroy, onUpdate, unwrap

Constructor Detail

ClientInlineIndex

public ClientInlineIndex(IndexDefinition def,
                         int inlineSize)

Method Detail

inlineSize

public int inlineSize()

Specified by:

inlineSize in interface InlineIndex

Returns:

amount of bytes to store inlined index keys.

created

public boolean created()

true if index is created and false if it is restored from disk.

Specified by:

created in interface InlineIndex

segment

public InlineIndexTree segment(int segment)

Specified by:

segment in interface InlineIndex

Parameters:

segment - Number of tree segment.

Returns:

Tree segment for specified number.

find

public GridCursor<IndexRow> find(IndexRow lower,
                                 IndexRow upper,
                                 boolean lowIncl,
                                 boolean upIncl,
                                 int segment,
                                 IndexQueryContext qryCtx)

Finds index rows by specified range in specifed tree segment with cache filtering. Range can be bound or unbound.

Specified by:

find in interface SortedSegmentedIndex

Parameters:

lower - Nullable lower bound.

upper - Nullable upper bound.

lowIncl - true for inclusive lower bound, otherwise false.

upIncl - true for inclusive upper bound, otherwise false.

segment - Number of tree segment to find.

qryCtx - External index query context.

Returns:

Cursor of found index rows.

find

public GridCursor<IndexRow> find(IndexRow lower,
                                 IndexRow upper,
                                 boolean lowIncl,
                                 boolean upIncl,
                                 IndexQueryContext qryCtx)

Finds index rows by specified range in all tree segments with cache filtering. Range can be bound or unbound.

Specified by:

find in interface SortedSegmentedIndex

Parameters:

lower - Nullable lower bound.

upper - Nullable upper bound.

lowIncl - true for inclusive lower bound, otherwise false.

upIncl - true for inclusive upper bound, otherwise false.

qryCtx - External index query context.

Returns:

Cursor of found index rows.

findFirst

public GridCursor<IndexRow> findFirst(int segment,
                                      IndexQueryContext qryCtx)

Finds first index row for specified tree segment and cache filter.

Specified by:

findFirst in interface SortedSegmentedIndex

Parameters:

segment - Number of tree segment to find.

qryCtx - External index qyery context.

Returns:

Cursor of found index rows.

findLast

public GridCursor<IndexRow> findLast(int segment,
                                     IndexQueryContext qryCtx)

Finds last index row for specified tree segment and cache filter.

Specified by:

findLast in interface SortedSegmentedIndex

Parameters:

segment - Number of tree segment to find.

qryCtx - External index qyery context.

Returns:

Cursor of found index rows.

findFirstOrLast

public GridCursor<IndexRow> findFirstOrLast(IndexQueryContext qryCtx,
                                            boolean first)

Takes only one first or last index record.

Specified by:

findFirstOrLast in interface SortedSegmentedIndex

Parameters:

qryCtx - External index qyery context.

first - True to take first index value. False to take last index value.

count

public long count(int segment)

Counts index rows in specified tree segment.

Specified by:

count in interface SortedSegmentedIndex

Parameters:

segment - Number of tree segment to find.

Returns:

count of index rows for specified segment.

totalCount

public long totalCount()

Counts index rows for all segments.

Specified by:

totalCount in interface SortedSegmentedIndex

Returns:

total count of index rows.

count

public long count(int segment,
                  IndexQueryContext qryCtx)

Counts index rows in specified tree segment with cache filter.

Specified by:

count in interface SortedSegmentedIndex

Parameters:

segment - Number of tree segment to find.

qryCtx - Index query context.

Returns:

count of index rows for specified segment.

segmentsCount

public int segmentsCount()

Returns amount of index tree segments.

Specified by:

segmentsCount in interface SortedSegmentedIndex

Returns:

amount of index tree segments.

id

public UUID id()

Unique ID.

Specified by:

id in interface Index

name

public String name()

Index name.

Specified by:

name in interface Index

indexDefinition

public IndexDefinition indexDefinition()

Specified by:

indexDefinition in interface InlineIndex

Returns:

Index definition.