| Name | Description | Type | Package | Framework |
| AggregateCount | Represents the data returned from an aggregate count query. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| AggregateCounterRepository | A repository to interact with Aggregate Counters. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| AggregateCountResolution | enum AggregateCountResolutionThe resolution options available for querying an aggregate counter. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| Counter | Represents the data stored in a valueer of a single value. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| CounterRepository | Interface for repositories that now how to deal with Counters. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| FieldValueCounter | Represents the data stored in a Counter for multiple field-value pairs. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| FieldValueCounterRepository | A repository to save, delete and find FieldValueCounter instances. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| Gauge | Represents the data stored in a Gauge which can be set to any integral value. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| GaugeRepository | A marker interface for Gauge repositories. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| Metric | Super interface for all metrics. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| MetricRepository | A repository to save, delete and find Metric instances. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |
| MetricUtils | Utility class, primarily to avoid exposing mutable objects beyond the core package. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| RichGauge | A gauge which stores the maximum, minimum and average in addition to the current value. | Class | org.springframework.xd.analytics.metrics.core | Spring XD |
| RichGaugeRepository | A service for managing RichGauge instances. | Interface | org.springframework.xd.analytics.metrics.core | Spring XD |