Package com.vaadin.flow.server.data

Class DataFetchFailedEvent

java.lang.Object

java.util.EventObject

com.vaadin.flow.server.data.AbstractDataFetchEvent

com.vaadin.flow.server.data.DataFetchFailedEvent

All Implemented Interfaces:

Serializable

public class DataFetchFailedEvent
extends AbstractDataFetchEvent

Event fired through the service event bus when a fetch query threw, before the matching DataFetchEndedEvent. The throwable may be raised either by the call that started the fetch or while its items were being consumed. The framework propagates it independently of this event.

Since:

25.3

See Also:

• AbstractDataFetchEvent
• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
DataFetchFailedEvent(UI ui, Component component, int offset, int limit, boolean filtered, Throwable error)	Creates a new event.

Method Summary

Modifier and Type	Method	Description
Throwable	getError()	Gets the throwable raised by the data provider.

Methods inherited from class com.vaadin.flow.server.data.AbstractDataFetchEvent

getComponent, getLimit, getOffset, getSource, getUI, isFiltered

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Constructor Details

DataFetchFailedEvent

public DataFetchFailedEvent(UI ui,
 Component component,
 int offset,
 int limit,
 boolean filtered,
 Throwable error)

Creates a new event.

Parameters:

ui - the UI the fetching component belongs to, not null

component - the component whose data is being fetched, or null if it could not be resolved

offset - the index of the first item requested

limit - the number of items requested

filtered - whether a filter was set on the query

error - the throwable raised by the data provider

Method Details

getError

public Throwable getError()

Gets the throwable raised by the data provider.

Returns:

the throwable