com.hazelcast.query.impl

Class PartitionQueryContextWithStats

java.lang.Object

com.hazelcast.query.impl.QueryContext

com.hazelcast.query.impl.PartitionQueryContextWithStats

public class PartitionQueryContextWithStats
extends QueryContext

Extends the basic query context to support the per-index stats tracking on behalf of partitioned indexes.

Nested Class Summary

Nested classes/interfaces inherited from class com.hazelcast.query.impl.QueryContext

QueryContext.IndexMatchHint

Field Summary

Fields inherited from class com.hazelcast.query.impl.QueryContext

indexes, ownedPartitionCount

Constructor Summary

Constructors

Constructor and Description
PartitionQueryContextWithStats(Indexes indexes) Constructs a new partition query context with stats for the given indexes.

Method Summary

Modifier and Type	Method and Description
Index	matchIndex(String pattern, QueryContext.IndexMatchHint matchHint) Matches an index for the given pattern and match hint.

Methods inherited from class com.hazelcast.query.impl.QueryContext

getIndex, getOwnedPartitionCount, setOwnedPartitionCount

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionQueryContextWithStats

public PartitionQueryContextWithStats(Indexes indexes)

Constructs a new partition query context with stats for the given indexes.

Parameters:

indexes - the indexes to construct the new query context for.

Method Detail

matchIndex

public Index matchIndex(String pattern,
                        QueryContext.IndexMatchHint matchHint)

Description copied from class: QueryContext

Matches an index for the given pattern and match hint.

Overrides:

matchIndex in class QueryContext

Parameters:

pattern - the pattern to match an index for. May be either an attribute name or an exact index name. It's a caller's responsibility to canonicalize the passed pattern as specified by PredicateUtils.canonicalizeAttribute(java.lang.String) and Index.getName().

matchHint - the match hint.

Returns:

the matched index or null if nothing matched.

See Also:

QueryContext.IndexMatchHint