Package com.vaadin.flow.signals.operations

Class InsertOperation<T extends Signal<?>>

java.lang.Object

com.vaadin.flow.signals.operations.SignalOperation<Void>

com.vaadin.flow.signals.operations.InsertOperation<T>

Type Parameters:

T - the type of the newly inserted signal

All Implemented Interfaces:

Serializable

public class InsertOperation<T extends Signal<?>>
extends SignalOperation<Void>

An operation that inserts a new child signal into a list or map. In addition to the regular signal operation, there's also direct access to the newly inserted child signal.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.flow.signals.operations.SignalOperation

SignalOperation.Error<T extends @Nullable Object>, SignalOperation.Result<T extends @Nullable Object>, SignalOperation.ResultOrError<T extends @Nullable Object>

Constructor Summary

Constructors

Constructor	Description
InsertOperation(T newSignal)	Creates a new insert operation based on the new signal instance.

Method Summary

Modifier and Type	Method	Description
T	signal()	Gets the newly inserted signal instance.

Methods inherited from class com.vaadin.flow.signals.operations.SignalOperation

forwardMappedResult, map, result

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

InsertOperation

public InsertOperation(T newSignal)

Creates a new insert operation based on the new signal instance.

Parameters:

newSignal - the new signal instance, not null

Method Details

signal

public T signal()

Gets the newly inserted signal instance. The instance can be used immediately even in cases where the result of the operation is not immediately confirmed.

Returns:

the newly inserted signal instance, not null