| Name | Description | Type | Package | Framework |
| Aggregator | An Aggregator describes a requested aggregation for a query and provides aggregator instances for execution | Interface | net.sf.ehcache.search.aggregator | EHCache |
| AggregatorException | Thrown if an Aggregator cannot complete. | Class | net.sf.ehcache.search.aggregator | EHCache |
| AggregatorInstance | An AggregatorInstance takes input objects and computes an aggregate function from them. | Interface | net.sf.ehcache.search.aggregator | EHCache |
| Aggregators | Helper class to construct the builtin aggregator types. | Class | net.sf.ehcache.search.aggregator | EHCache |
| Average | Class | net.sf.ehcache.search.aggregator | EHCache | |
| Count | Counts the number of resultsConstructor SummaryCount() | Class | net.sf.ehcache.search.aggregator | EHCache |
| Max | Class | net.sf.ehcache.search.aggregator | EHCache | |
| Min | Class | net.sf.ehcache.search.aggregator | EHCache | |
| Sum | Class | net.sf.ehcache.search.aggregator | EHCache | |