Package com.google.cloud.datastore

Class AggregationResults

java.lang.Object

com.google.cloud.datastore.AggregationResults

All Implemented Interfaces:

Iterable<AggregationResult>

public class AggregationResults
extends Object
implements Iterable<AggregationResult>

The result of an AggregationQuery query submission. Contains a List<AggregationResult> and readTime Timestamp in it.

This can be used to iterate over an underlying List<AggregationResult> directly.

Constructor Summary

Constructors

Constructor	Description
AggregationResults(List<AggregationResult> aggregationResults, com.google.cloud.Timestamp readTime)
AggregationResults(List<AggregationResult> aggregationResults, com.google.cloud.Timestamp readTime, ExplainMetrics explainMetrics)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
AggregationResult	get(int index)
Optional<ExplainMetrics>	getExplainMetrics()	Returns ExplainMetrics if ExplainOptions were enabled.
com.google.cloud.Timestamp	getReadTime()	Returns read timestamp this result batch was returned from.
int	hashCode()
Iterator<AggregationResult>	iterator()	Returns Iterator for underlying List<AggregationResult>.
int	size()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

AggregationResults

@BetaApi
public AggregationResults(List<AggregationResult> aggregationResults,
 com.google.cloud.Timestamp readTime,
 ExplainMetrics explainMetrics)

AggregationResults

public AggregationResults(List<AggregationResult> aggregationResults,
 com.google.cloud.Timestamp readTime)

Method Details

iterator

public Iterator<AggregationResult> iterator()

Returns Iterator for underlying List<AggregationResult>.

Specified by:

iterator in interface Iterable<AggregationResult>

size

public int size()

getExplainMetrics

@BetaApi
public Optional<ExplainMetrics> getExplainMetrics()

Returns ExplainMetrics if ExplainOptions were enabled. Otherwise, returns null.

get

@InternalApi
public AggregationResult get(int index)

getReadTime

public com.google.cloud.Timestamp getReadTime()

Returns read timestamp this result batch was returned from.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object