Package com.gigaspaces.query.aggregators

Class SumAggregator

java.lang.Object

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

com.gigaspaces.query.aggregators.AbstractPathAggregator<MutableNumber>

com.gigaspaces.query.aggregators.SumAggregator

All Implemented Interfaces:

SmartExternalizable, Externalizable, Serializable, Cloneable

public class SumAggregator
extends AbstractPathAggregator<MutableNumber>

Since:

10.0

Author:

Niv Ingberg

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SumAggregator()

Method Summary

Modifier and Type	Method	Description
void	aggregate(SpaceEntriesAggregatorContext context)
void	aggregateIntermediateResult(MutableNumber partitionResult)
String	getDefaultAlias()
Object	getFinalResult()
MutableNumber	getIntermediateResult()
String	getName()
String	getSQLQuery(String typeName)
void	handleIntermediateResultOfDbStorage(ResultSet resultSet, ITypeDesc typeDesc)
boolean	isIndexUsed(Map<String,SpaceIndex> indexes, boolean isMemoryScan)
void	readExternal(ObjectInput in)
SumAggregator	setWidest(boolean widest)
boolean	skipFullScanSupported(Map<String,SpaceIndex> indexes, boolean isMemoryScan)
void	writeExternal(ObjectOutput out)

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

getFunctionCallColumn, getPath, getPathValue, setFunctionCallColumn, setPath

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

as, clone, getAlias, handleIntermediateResultOfMemoryStorage, setAggregatorContext, setRawEntryConverter, skipProcessedUidStore, 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

SumAggregator

public SumAggregator()

Method Details

getDefaultAlias

public String getDefaultAlias()

Specified by:

getDefaultAlias in class SpaceEntriesAggregator<MutableNumber>

skipFullScanSupported

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

Overrides:

skipFullScanSupported in class SpaceEntriesAggregator<MutableNumber>

isIndexUsed

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

Overrides:

isIndexUsed in class SpaceEntriesAggregator<MutableNumber>

handleIntermediateResultOfDbStorage

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

Overrides:

handleIntermediateResultOfDbStorage in class SpaceEntriesAggregator<MutableNumber>

Throws:

SQLException

getSQLQuery

public String getSQLQuery(String typeName)

Overrides:

getSQLQuery in class SpaceEntriesAggregator<MutableNumber>

aggregate

public void aggregate(SpaceEntriesAggregatorContext context)

Specified by:

aggregate in class SpaceEntriesAggregator<MutableNumber>

getIntermediateResult

public MutableNumber getIntermediateResult()

Specified by:

getIntermediateResult in class SpaceEntriesAggregator<MutableNumber>

aggregateIntermediateResult

public void aggregateIntermediateResult(MutableNumber partitionResult)

Specified by:

aggregateIntermediateResult in class SpaceEntriesAggregator<MutableNumber>

getFinalResult

public Object getFinalResult()

Overrides:

getFinalResult in class SpaceEntriesAggregator<MutableNumber>

setWidest

public SumAggregator setWidest(boolean widest)

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class AbstractPathAggregator<MutableNumber>

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class AbstractPathAggregator<MutableNumber>

Throws:

IOException

ClassNotFoundException

getName

public String getName()

Specified by:

getName in class AbstractPathAggregator<MutableNumber>