Module is.codion.common.reactive

Package is.codion.common.reactive.state

Interface ObservableState

All Superinterfaces:

Observer<Boolean>, Sensor

All Known Subinterfaces:

EntityConditions.Modified, EntityEditor.Exists, EntityEditor.Modified, EntityEditor.Present, State

public interface ObservableState
extends Observer<Boolean>

An observable boolean state, extending Observer to provide listener and consumer capabilities.

Listener methods are inherited from Observer and delegate to Observer.observer().

See Also:

• State

Nested Class Summary

Nested classes/interfaces inherited from interface is.codion.common.reactive.observer.Observer

Observer.Builder<T,B extends Observer.Builder<T,B>>

Method Summary

Modifier and Type	Method	Description
boolean	is()
ObservableState	not()

Methods inherited from interface is.codion.common.reactive.observer.Observer

addConsumer, addWeakConsumer, observer, removeConsumer, removeWeakConsumer, sensor, when, when

Methods inherited from interface is.codion.common.reactive.sensor.Sensor

addListener, addWeakListener, removeListener, removeWeakListener

Method Details

is

boolean is()

Returns:

the value of this state

not

ObservableState not()

Returns:

A ObservableState instance that is always the reverse of this ObservableState instance