Package com.gigaspaces.query.aggregators

Class MaxEntryAggregator

java.lang.Object

com.gigaspaces.query.aggregators.SpaceEntriesAggregator<T>

com.gigaspaces.query.aggregators.AbstractPathAggregator<MaxEntryAggregator.MaxEntryScannerResult>

com.gigaspaces.query.aggregators.MaxEntryAggregator

All Implemented Interfaces:

SmartExternalizable, Externalizable, Serializable, Cloneable

public class MaxEntryAggregator
extends AbstractPathAggregator<MaxEntryAggregator.MaxEntryScannerResult>

Since:

10.0

Author:

Niv Ingberg

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MaxEntryAggregator.MaxEntryScannerResult

Constructor Summary

Constructors

Constructor	Description
MaxEntryAggregator()

Method Summary

Modifier and Type	Method	Description
void	aggregate(SpaceEntriesAggregatorContext context)
void	aggregateIntermediateResult(MaxEntryAggregator.MaxEntryScannerResult partitionResult)
String	getDefaultAlias()
Object	getFinalResult()
MaxEntryAggregator.MaxEntryScannerResult	getIntermediateResult()
String	getName()
String	getSQLQuery(String typeName)
void	handleIntermediateResultOfDbStorage(ResultSet resultSet, ITypeDesc typeDesc)
void	handleIntermediateResultOfMemoryStorage(TypeDataIndex index, TypeData entryType)
boolean	isIndexUsed(Map<String,SpaceIndex> indexes, boolean isMemoryScan)
boolean	skipFullScanSupported(Map<String,SpaceIndex> indexes, boolean isMemoryScan)
boolean	skipProcessedUidStore()

Methods inherited from class com.gigaspaces.query.aggregators.AbstractPathAggregator

getFunctionCallColumn, getPath, getPathValue, readExternal, setFunctionCallColumn, setPath, writeExternal

Methods inherited from class com.gigaspaces.query.aggregators.SpaceEntriesAggregator

as, clone, getAlias, setAggregatorContext, setRawEntryConverter, toObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.gigaspaces.serialization.SmartExternalizable

enabledSmartExternalizableWithReference

Constructor Details

MaxEntryAggregator

public MaxEntryAggregator()

Method Details

getDefaultAlias

public String getDefaultAlias()

Specified by:

getDefaultAlias in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

aggregate

public void aggregate(SpaceEntriesAggregatorContext context)

Specified by:

aggregate in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

aggregateIntermediateResult

public void aggregateIntermediateResult(MaxEntryAggregator.MaxEntryScannerResult partitionResult)

Specified by:

aggregateIntermediateResult in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

skipProcessedUidStore

public boolean skipProcessedUidStore()

Overrides:

skipProcessedUidStore in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

getIntermediateResult

public MaxEntryAggregator.MaxEntryScannerResult getIntermediateResult()

Specified by:

getIntermediateResult in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

getFinalResult

public Object getFinalResult()

Overrides:

getFinalResult in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

getName

public String getName()

Specified by:

getName in class AbstractPathAggregator<MaxEntryAggregator.MaxEntryScannerResult>

skipFullScanSupported

public boolean skipFullScanSupported(Map<String,SpaceIndex> indexes,
 boolean isMemoryScan)

Overrides:

skipFullScanSupported in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

isIndexUsed

public boolean isIndexUsed(Map<String,SpaceIndex> indexes,
 boolean isMemoryScan)

Overrides:

isIndexUsed in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

handleIntermediateResultOfMemoryStorage

public void handleIntermediateResultOfMemoryStorage(TypeDataIndex index,
 TypeData entryType)

Overrides:

handleIntermediateResultOfMemoryStorage in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

handleIntermediateResultOfDbStorage

public void handleIntermediateResultOfDbStorage(ResultSet resultSet,
 ITypeDesc typeDesc)
                                         throws SQLException

Overrides:

handleIntermediateResultOfDbStorage in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>

Throws:

SQLException

getSQLQuery

public String getSQLQuery(String typeName)

Overrides:

getSQLQuery in class SpaceEntriesAggregator<MaxEntryAggregator.MaxEntryScannerResult>