# Package com.google.cloud.datastore.aggregation (3.1.0)

3.1.0 (latest) 2.40.0 2.37.0 2.36.0 2.34.0 2.33.3 2.32.3 2.31.4 2.30.0 2.29.1 2.28.2 2.27.1 2.26.4 2.25.2 2.24.3 2.23.0 2.22.0 2.21.3 2.20.2 2.19.2 2.18.5 2.17.6

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| [GitHub Repository](https://github.com/googleapis/google-cloud-java/tree/main/java-datastore/google-cloud-datastore/src/main/java/com/google/cloud/datastore/aggregation) |

## This package is not the recommended entry point to using this client library!

For this library, we recommend using [com.google.cloud.datastore](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore) for new applications.

## Classes

| Class | Description |
|---|---|
| [com.google.cloud.datastore.aggregation.Aggregation](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.Aggregation) | Represents a Google Cloud Datastore Aggregation which is used with an AggregationQuery. |
| [com.google.cloud.datastore.aggregation.AvgAggregation](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.AvgAggregation) | Represents an Aggregation which returns average of numerical values. |
| [com.google.cloud.datastore.aggregation.AvgAggregation.Builder](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.AvgAggregation.Builder) | A builder class to create and customize a AvgAggregation. |
| [com.google.cloud.datastore.aggregation.CountAggregation](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.CountAggregation) | Represents an Aggregation which returns count. |
| [com.google.cloud.datastore.aggregation.CountAggregation.Builder](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.CountAggregation.Builder) | A builder class to create and customize a CountAggregation. |
| [com.google.cloud.datastore.aggregation.SumAggregation](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.SumAggregation) | Represents an Aggregation which returns sum of numerical values. |
| [com.google.cloud.datastore.aggregation.SumAggregation.Builder](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.SumAggregation.Builder) | A builder class to create and customize a SumAggregation. |

## Interfaces

| Interface | Description |
|---|---|
| [com.google.cloud.datastore.aggregation.AggregationBuilder](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.aggregation.AggregationBuilder) | An interface to represent the builders which build and customize Aggregation for [com.google.cloud.datastore.AggregationQuery](https://docs.cloud.google.com/java/docs/reference/google-cloud-datastore/latest/com.google.cloud.datastore.AggregationQuery). Used by com.google.cloud.datastore.AggregationQuery.Builder#addAggregation(AggregationBuilder). |