Package com.gigaspaces.internal.query

Class AbstractQueryIndex

java.lang.Object

com.gigaspaces.internal.query.AbstractQueryIndex

All Implemented Interfaces:

IQueryIndexScanner, SmartExternalizable, Externalizable, Serializable

Direct Known Subclasses:

ExactValueIndexScanner, InValueIndexScanner, NotRegexIndexScanner, NullValueIndexScanner, RangeCompoundIndexScanner, RangeIndexScanner, RegexIndexScanner, RelationIndexScanner, UidsIndexScanner

public abstract class AbstractQueryIndex
extends Object
implements IQueryIndexScanner

Since:

7.1

Author:

anna

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
AbstractQueryIndex()
AbstractQueryIndex(String indexName)

Method Summary

Modifier and Type	Method	Description
protected abstract IObjectsList	getEntriesByIndex(Context context, TypeData typeData, TypeDataIndex<Object> index, boolean fifoGroupsScan)
IObjectsList	getIndexedEntriesByType(Context context, TypeData typeData, ITemplateHolder template, int latestIndexToConsider)
String	getIndexName()	The name of the index - index is stored in the space by this name
protected abstract boolean	hasIndexValue()
boolean	isExtendsAbstractQueryIndex()
boolean	isUidsScanner()
void	readExternal(ObjectInput in)
boolean	requiresValueForIndexSearch()
boolean	supportsFifoOrder()	by default fifo order is not preserved
void	writeExternal(ObjectOutput out)

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, getIndexValue, requiresOrderedIndex, supportsTemplateIndex

Methods inherited from interface com.gigaspaces.serialization.SmartExternalizable

enabledSmartExternalizableWithReference

Constructor Details

AbstractQueryIndex

public AbstractQueryIndex()

AbstractQueryIndex

public AbstractQueryIndex(String indexName)

Method Details

getIndexName

public String getIndexName()

Description copied from interface: IQueryIndexScanner

The name of the index - index is stored in the space by this name

Specified by:

getIndexName in interface IQueryIndexScanner

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

supportsFifoOrder

public boolean supportsFifoOrder()

by default fifo order is not preserved

Specified by:

supportsFifoOrder in interface IQueryIndexScanner

getIndexedEntriesByType

public IObjectsList getIndexedEntriesByType(Context context,
 TypeData typeData,
 ITemplateHolder template,
 int latestIndexToConsider)

Specified by:

getIndexedEntriesByType in interface IQueryIndexScanner

requiresValueForIndexSearch

public boolean requiresValueForIndexSearch()

hasIndexValue

protected abstract boolean hasIndexValue()

getEntriesByIndex

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

isUidsScanner

public boolean isUidsScanner()

Specified by:

isUidsScanner in interface IQueryIndexScanner

isExtendsAbstractQueryIndex

public boolean isExtendsAbstractQueryIndex()

Specified by:

isExtendsAbstractQueryIndex in interface IQueryIndexScanner