net.sf.ehcache.search.aggregator
Interface Aggregator
public interface Aggregator
An Aggregator describes a requested aggregation for a query and provides aggregator instances for execution
- Author:
- teck
Method Summary |
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createInstance()
Create an instance of this aggregator. |
createInstance
<T> AggregatorInstance<T> createInstance()
- Create an instance of this aggregator. Every query execution will use a unique instance for requested aggregator
- Type Parameters:
T
-
- Returns:
- aggregator instance
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