com.gigaspaces.internal.query

Class RangeIndexScanner

java.lang.Object

com.gigaspaces.internal.query.AbstractQueryIndex

com.gigaspaces.internal.query.RangeIndexScanner

All Implemented Interfaces:

IQueryIndexScanner, SmartExternalizable, Externalizable, Serializable

public class RangeIndexScanner
extends AbstractQueryIndex

Scans only the entries in the defined range

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 and Description
RangeIndexScanner()
RangeIndexScanner(String indexName, Comparable<?> min, boolean includeMin, Comparable<?> max, boolean includeMax)

Method Summary

Modifier and Type	Method and Description
protected IObjectsList	getEntriesByIndex(Context context, TypeData typeData, TypeDataIndex<Object> index, boolean fifoGroupsScan)
Object	getIndexValue() The value of the index - objects are indexed and stored according to specific index value.
Comparable<?>	getMax()
Comparable<?>	getMin()
protected boolean	hasIndexValue()
boolean	isIncludeMax()
boolean	isIncludeMin()
void	readExternal(ObjectInput in)
boolean	requiresOrderedIndex() Returns true if this index scanner requires an ordered index
boolean	supportsTemplateIndex() Returns true if this index scanner supports template indexing
void	writeExternal(ObjectOutput out)

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

getIndexedEntriesByType, getIndexName, isExtendsAbstractQueryIndex, isUidsScanner, requiresValueForIndexSearch, supportsFifoOrder

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 Detail

RangeIndexScanner

public RangeIndexScanner()

RangeIndexScanner

public RangeIndexScanner(String indexName,
                         Comparable<?> min,
                         boolean includeMin,
                         Comparable<?> max,
                         boolean includeMax)

Method Detail

getEntriesByIndex

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

Specified by:

getEntriesByIndex in class AbstractQueryIndex

hasIndexValue

protected boolean hasIndexValue()

Specified by:

hasIndexValue in class AbstractQueryIndex

getIndexValue

public Object getIndexValue()

Description copied from interface: IQueryIndexScanner

The value of the index - objects are indexed and stored according to specific index value. This value will be used to search the index structure for entries that match this value .

getMin

public Comparable<?> getMin()

getMax

public Comparable<?> getMax()

isIncludeMin

public boolean isIncludeMin()

isIncludeMax

public boolean isIncludeMax()

requiresOrderedIndex

public boolean requiresOrderedIndex()

Description copied from interface: IQueryIndexScanner

Returns true if this index scanner requires an ordered index

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class AbstractQueryIndex

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class AbstractQueryIndex

Throws:

IOException

supportsTemplateIndex

public boolean supportsTemplateIndex()

Description copied from interface: IQueryIndexScanner

Returns true if this index scanner supports template indexing