com.github.pmerienne.trident.state

Interface SetState<E>

Type Parameters:

E - the type of elements maintained by this set

All Superinterfaces:

ExtendedState<E>, storm.trident.state.State

All Known Implementing Classes:

MemorySetState, RedisSetState

public interface SetState<E>
extends ExtendedState<E>

A State which wrap access to a Set of elements.

Author:

pmerienne

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(E e) Adds the specified element to this set if it is not already present.
boolean	addAll(Collection<? extends E> c) Adds all of the elements in the specified collection to this set if they're not already present (optional operation).
void	clear() Clear the whole Set contained in this State
Set<E>	get()

Methods inherited from interface storm.trident.state.State

beginCommit, commit

Method Detail

add

boolean add(E e)

Adds the specified element to this set if it is not already present.

Parameters:

e - element to be added to this set

Returns:

true if this set did not already contain the specified element

addAll

boolean addAll(Collection<? extends E> c)

Adds all of the elements in the specified collection to this set if they're not already present (optional operation).

Parameters:

c - collection containing elements to be added to this set

Returns:

true if this set changed as a result of the call

get

Set<E> get()

Returns:

the whole Set contained in this State

clear

void clear()

Clear the whole Set contained in this State