Class Aggregation (2.18.5)

Version 2.18.5

• 2.24.1 (latest)
• 2.23.0
• 2.22.0
• 2.21.3
• 2.20.2
• 2.19.2
• 2.18.5
• 2.17.6

public abstract class Aggregation

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

Inheritance

java.lang.Object > Aggregation

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Methods

avg(String propertyReference)

public static AvgAggregation.Builder avg(String propertyReference)

Returns a AvgAggregation builder.

Parameter
Name	Description
propertyReference	String

Returns
Type	Description
AvgAggregation.Builder

count()

public static CountAggregation.Builder count()

Returns a CountAggregation builder.

Returns
Type	Description
CountAggregation.Builder

sum(String propertyReference)

public static SumAggregation.Builder sum(String propertyReference)

Returns a SumAggregation builder.

Parameter
Name	Description
propertyReference	String

Returns
Type	Description
SumAggregation.Builder

Constructors

Aggregation(String alias)

public Aggregation(String alias)

Parameter
Name	Description
alias	String

Methods

aggregationBuilder()

protected AggregationQuery.Aggregation.Builder aggregationBuilder()

Returns
Type	Description
AggregationQuery.Aggregation.Builder

getAlias()

public String getAlias()

Returns the alias for this aggregation.

Returns
Type	Description
String

toPb()

public abstract AggregationQuery.Aggregation toPb()

Returns
Type	Description
AggregationQuery.Aggregation