com.google.cloud.datastore.aggregation

Class Aggregation

java.lang.Object

com.google.cloud.datastore.aggregation.Aggregation

Direct Known Subclasses:

CountAggregation

@BetaApi
public abstract class Aggregation
extends Object

Represents a Google Cloud Datastore Aggregation which is used with an AggregationQuery.

Constructor Summary

Constructors

Constructor and Description
Aggregation(String alias)

Method Summary

Modifier and Type	Method and Description
static CountAggregation.Builder	count() Returns a CountAggregation builder.
String	getAlias() Returns the alias for this aggregation.
abstract AggregationQuery.Aggregation	toPb()

Methods inherited from class java.lang.Object

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

Constructor Detail

Aggregation

public Aggregation(String alias)

Method Detail

getAlias

public String getAlias()

Returns the alias for this aggregation.

toPb

@InternalApi
public abstract AggregationQuery.Aggregation toPb()

count

public static CountAggregation.Builder count()

Returns a CountAggregation builder.