Package com.gigaspaces.internal.query

Class ExacValueCompoundIndexScanner

java.lang.Object

com.gigaspaces.internal.query.AbstractQueryIndex

com.gigaspaces.internal.query.ExactValueIndexScanner

com.gigaspaces.internal.query.ExacValueCompoundIndexScanner

All Implemented Interfaces:

IQueryIndexScanner, SmartExternalizable, Externalizable, Serializable

public class ExacValueCompoundIndexScanner
extends ExactValueIndexScanner

An exact value index scanner for compound index

Since:

9.5

Author:

Yechiel

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.gigaspaces.internal.query.IQueryIndexScanner

IQueryIndexScanner.ResultIndicator

Field Summary

Fields inherited from interface com.gigaspaces.internal.query.IQueryIndexScanner

RESULT_IGNORE_INDEX, RESULT_NO_MATCH

Constructor Summary

Constructors

Constructor	Description
ExacValueCompoundIndexScanner()
ExacValueCompoundIndexScanner(String indexName, Object[] segmentValues)

Method Summary

Modifier and Type	Method	Description
static ExacValueCompoundIndexScanner	build(String name, List<Range> possibleSegments)
protected IObjectsList	getEntriesByIndex(Context context, TypeData typeData, TypeDataIndex<Object> index, boolean fifoGroupsScan)
protected boolean	hasIndexValue()
void	readExternal(ObjectInput in)
boolean	requiresOrderedIndex()	Returns true if this index scanner requires an ordered index
boolean	supportsFifoOrder()	equality matching preserves fifo order
boolean	supportsTemplateIndex()	Returns true if this index scanner supports template indexing
void	writeExternal(ObjectOutput out)

Methods inherited from class com.gigaspaces.internal.query.ExactValueIndexScanner

getIndexValue, setIndexValue

Methods inherited from class com.gigaspaces.internal.query.AbstractQueryIndex

getIndexedEntriesByType, getIndexName, isExtendsAbstractQueryIndex, isUidsScanner, requiresValueForIndexSearch

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.gigaspaces.internal.query.IQueryIndexScanner

getIndexUsageCounter

Methods inherited from interface com.gigaspaces.serialization.SmartExternalizable

enabledSmartExternalizableWithReference

Constructor Details

ExacValueCompoundIndexScanner

public ExacValueCompoundIndexScanner()

ExacValueCompoundIndexScanner

public ExacValueCompoundIndexScanner(String indexName,
 Object[] segmentValues)

Method Details

getEntriesByIndex

protected IObjectsList getEntriesByIndex(Context context,
 TypeData typeData,
 TypeDataIndex<Object> index,
 boolean fifoGroupsScan)

Overrides:

getEntriesByIndex in class ExactValueIndexScanner

requiresOrderedIndex

public boolean requiresOrderedIndex()

Description copied from interface: IQueryIndexScanner

Returns true if this index scanner requires an ordered index

Specified by:

requiresOrderedIndex in interface IQueryIndexScanner

Overrides:

requiresOrderedIndex in class ExactValueIndexScanner

hasIndexValue

protected boolean hasIndexValue()

Overrides:

hasIndexValue in class ExactValueIndexScanner

supportsFifoOrder

public boolean supportsFifoOrder()

equality matching preserves fifo order

Specified by:

supportsFifoOrder in interface IQueryIndexScanner

Overrides:

supportsFifoOrder in class ExactValueIndexScanner

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class ExactValueIndexScanner

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class ExactValueIndexScanner

Throws:

IOException

supportsTemplateIndex

public boolean supportsTemplateIndex()

Description copied from interface: IQueryIndexScanner

Returns true if this index scanner supports template indexing

Specified by:

supportsTemplateIndex in interface IQueryIndexScanner

Overrides:

supportsTemplateIndex in class ExactValueIndexScanner

build

public static ExacValueCompoundIndexScanner build(String name,
 List<Range> possibleSegments)