See: Description
Interface | Description |
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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 |
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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 |
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AggregatorException |
Thrown if an Aggregator cannot complete.
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