SumAggregation (Google Cloud Datastore Parent 2.17.1 API)

java.lang.Object
- com.google.cloud.datastore.aggregation.Aggregation
- - com.google.cloud.datastore.aggregation.SumAggregation

```
public class SumAggregation
extends Aggregation
```
Represents an Aggregation which returns sum of numerical values.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static class SumAggregation.Builder
  A builder class to create and customize a SumAggregation.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  SumAggregation(String alias, String propertyReference)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean equals(Object o)
  
  int hashCode()
  
  AggregationQuery.Aggregation toPb()
  - Methods inherited from class com.google.cloud.datastore.aggregation.Aggregation
    aggregationBuilder, avg, count, getAlias, sum
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SumAggregation

public SumAggregation(String alias,
                      String propertyReference)

Method Detail
- toPb
```
@InternalApi
public AggregationQuery.Aggregation toPb()
```
  Specified by:
  
  toPb in class Aggregation
- equals
```
public boolean equals(Object o)
```
  Overrides:
  
  equals in class Object
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class Object