Stateful (Couchbase JVM Core IO 1.7.15 API)

All Known Subinterfaces:

Endpoint, Node, Service, StateZipper<T,S>

All Known Implementing Classes:

AbstractDynamicService, AbstractEndpoint, AbstractLazyService, AbstractOnDemandService, AbstractPoolingService, AbstractStateMachine, AbstractStateZipper, AnalyticsEndpoint, AnalyticsService, ConfigEndpoint, ConfigService, CouchbaseNode, EndpointStateZipper, KeyValueEndpoint, KeyValueService, OldAnalyticsService, OldKeyValueService, OldQueryService, OldSearchService, OldViewService, PooledService, QueryEndpoint, QueryService, SearchEndpoint, SearchService, ServiceStateZipper, ViewEndpoint, ViewService
```
public interface Stateful<S extends Enum>
```
A stateful component that changes its state and notifies subscribed parties.

Since:

1.0

Author:

Michael Nitschinger

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`hasSubscribers()`	Returns true if there are subscribers observing the state stream.
`boolean`	`isState(S state)`	Check if the given state is the same as the current one.
`S`	`state()`	Returns the current state.
`rx.Observable<S>`	`states()`	Returns a infinite observable which gets updated when the state of the component changes.

- Method Detail
  - states
```
rx.Observable<S> states()
```
    Returns a infinite observable which gets updated when the state of the component changes.
    
    Returns:
    
    a Observable updated with state transitions.
  - state
```
S state()
```
    Returns the current state.
    
    Returns:
    
    the current state.
  - isState
```
boolean isState(S state)
```
    Check if the given state is the same as the current one.
    
    Parameters:
    
    state - the stats to check against.
    
    Returns:
    
    true if it is the same, false otherwise.
  - hasSubscribers
```
boolean hasSubscribers()
```
    Returns true if there are subscribers observing the state stream.
    
    Returns:
    
    true if at least one does, false otherwise.