org.apache.s4.core.window
Interface Slot<T>
- Type Parameters:
T
- elements to aggregate
- All Known Implementing Classes:
- DefaultAggregatingSlot, OHCLSlot
public interface Slot<T>
A convenience window slot, that aggregates elements of type .
Users must add suitable getter methods to retrieve aggregated data.
Method Summary |
void |
close()
Compute aggregated data on available gathered slot data, place slot and slot data in immutable state. |
void |
update(T data)
Add a single data element |
update
void update(T data)
- Add a single data element
close
void close()
- Compute aggregated data on available gathered slot data, place slot and slot data in immutable state.