com.clearspring.analytics.stream

Interface ITopK<T>

All Known Implementing Classes:

ConcurrentStreamSummary, StochasticTopper, StreamSummary

public interface ITopK<T>

Method Summary

Methods

Modifier and Type	Method and Description
boolean	offer(T element) offer a single element to the top.
boolean	offer(T element, int incrementCount) offer a single element to the top and increment the count for that element by incrementCount.
List<T>	peek(int k)

Method Detail

offer

boolean offer(T element)

offer a single element to the top.

Parameters:

element - - the element to add to the top

Returns:

false if the element was already in the top

offer

boolean offer(T element,
            int incrementCount)

offer a single element to the top and increment the count for that element by incrementCount.

Parameters:

element - - the element to add to the top

incrementCount - - the increment count for the given count

Returns:

false if the element was already in the top

peek

List<T> peek(int k)

Parameters:

k -

Returns:

top k elements offered (may be an approximation)