See: Description
| Interface | Description |
|---|---|
| Aggregator |
An Aggregator describes a requested aggregation for a query and provides aggregator instances for execution
|
| AggregatorInstance<T> |
An AggregatorInstance takes input objects and computes an aggregate function from them.
|
| Class | Description |
|---|---|
| Aggregators |
Helper class to construct the builtin aggregator types.
|
| Average |
Compute the average (arithmetic mean) as a double
|
| Count |
Counts the number of results
|
| Max<T> |
Determine the maximum value
|
| Min<T> |
Determine the minimum value
|
| Sum |
Sums the results
Sum can be used with most numeric types
|
| Exception | Description |
|---|---|
| AggregatorException |
Thrown if an Aggregator cannot complete.
|
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