com.haulmont.cuba.gui.model

Class CollectionLoader.PreLoadEvent<T extends Entity>

java.lang.Object

java.util.EventObject

com.haulmont.cuba.gui.model.CollectionLoader.PreLoadEvent<T>

All Implemented Interfaces:

java.io.Serializable

Enclosing interface:

CollectionLoader<E extends Entity>

public static class CollectionLoader.PreLoadEvent<T extends Entity>
extends java.util.EventObject

Event sent before loading entities.

You can prevent load using the preventLoad() method of the event, for example:

     @Subscribe(id = "fooDl", target = Target.DATA_LOADER)
     private void onFooDlPreLoad(CollectionLoader.PreLoadEvent event) {
         if (doNotLoad()) {
             event.preventLoad();
         }
     }
 

See Also:

CollectionLoader.addPreLoadListener(Consumer), Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
PreLoadEvent(CollectionLoader<T> loader, LoadContext<T> loadContext)

Method Summary

Modifier and Type	Method and Description
LoadContext<T>	getLoadContext() Returns the load context of the current data loader.
CollectionLoader<T>	getSource() The data loader which sent the event.
boolean	isLoadPrevented() Returns true if preventLoad() method was called and loading will be aborted.
void	preventLoad() Invoke this method if you want to abort the loading.

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 Detail

PreLoadEvent

public PreLoadEvent(CollectionLoader<T> loader,
                    LoadContext<T> loadContext)

Method Detail

getSource

public CollectionLoader<T> getSource()

The data loader which sent the event.

Overrides:

getSource in class java.util.EventObject

getLoadContext

public LoadContext<T> getLoadContext()

Returns the load context of the current data loader.

preventLoad

public void preventLoad()

Invoke this method if you want to abort the loading.

isLoadPrevented

public boolean isLoadPrevented()

Returns true if preventLoad() method was called and loading will be aborted.