Module is.codion.framework.model

Package is.codion.framework.model

Interface EntityEditModel.EntityEditor.Exists

All Superinterfaces:

Observable<Boolean>, 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()

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.observable.Observable

addConsumer, addListener, addWeakConsumer, addWeakListener, getOrThrow, getOrThrow, isEqualTo, isNotEqualTo, observer, optional, removeConsumer, removeListener, removeWeakConsumer, removeWeakListener

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

get, isNull, isNullable, not

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()