Module is.codion.framework.model

Package is.codion.framework.model

Interface EntityEditModel.EntityEditor.Exists

All Superinterfaces:

ObservableState, Observer<Boolean>

Enclosing interface:

EntityEditModel.EntityEditor

public static interface EntityEditModel.EntityEditor.Exists
extends ObservableState

Indicates whether the active entity exists in the database.

See Also:

• predicate()

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
Value<Predicate<Entity>>	predicate()	Controls the 'exists' predicate for this EntityEditModel.EntityEditor.Exists instance, which is responsible for providing the exists state of the underlying entity.

Methods inherited from interface is.codion.common.reactive.state.ObservableState

is, not, observer

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

addConsumer, addListener, addWeakConsumer, addWeakListener, removeConsumer, removeListener, removeWeakConsumer, removeWeakListener, when, when

Method Details

predicate

Value<Predicate<Entity>> predicate()

Controls the 'exists' predicate for this EntityEditModel.EntityEditor.Exists instance, which is responsible for providing the exists state of the underlying entity.

Returns:

the Value controlling the predicate used to check if the entity exists

See Also:

• EntityDefinition.exists()
• Entity.exists()