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

<T> AggregatorInstance<T>

createInstance() Create an instance of this aggregator.

Method Detail

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