com.hazelcast.map.impl.query

Class AggregationResult

java.lang.Object

com.hazelcast.map.impl.query.AggregationResult

All Implemented Interfaces:

Result<AggregationResult>, DataSerializable, IdentifiedDataSerializable

public class AggregationResult
extends Object
implements Result<AggregationResult>, IdentifiedDataSerializable

Contains the result of the evaluation of an aggregation on a specific Partition or Node. At the end of the aggregation execution path all AggregationResults are merged into one AggregationResult.

Constructor Summary

Constructors

Constructor and Description
AggregationResult()
AggregationResult(Aggregator aggregator)

Method Summary

Modifier and Type	Method and Description
void	combine(AggregationResult result)
<R> Aggregator<?,R>	getAggregator()
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
int	getId() Returns type identifier for this class.
Collection<Integer>	getPartitionIds()
void	onCombineFinished()
void	readData(ObjectDataInput in) Reads fields from the input stream
void	setPartitionIds(Collection<Integer> partitionIds)
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationResult

public AggregationResult()

AggregationResult

public AggregationResult(Aggregator aggregator)

Method Detail

getAggregator

public <R> Aggregator<?,R> getAggregator()

getPartitionIds

public Collection<Integer> getPartitionIds()

Specified by:

getPartitionIds in interface Result<AggregationResult>

combine

public void combine(AggregationResult result)

Specified by:

combine in interface Result<AggregationResult>

onCombineFinished

public void onCombineFinished()

Specified by:

onCombineFinished in interface Result<AggregationResult>

setPartitionIds

public void setPartitionIds(Collection<Integer> partitionIds)

Specified by:

setPartitionIds in interface Result<AggregationResult>

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory ID for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory ID

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. It should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type ID

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException