Package com.vaadin.flow.data.provider
Class DataChangeEvent<T>
- java.lang.Object
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- java.util.EventObject
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- com.vaadin.flow.data.provider.DataChangeEvent<T>
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- Type Parameters:
T
- the data type
- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
DataChangeEvent.DataRefreshEvent
public class DataChangeEvent<T> extends EventObject
An event fired when the data of aDataProvider
changes.- Since:
- 1.0
- Author:
- Vaadin Ltd
- See Also:
DataProviderListener
, Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
DataChangeEvent.DataRefreshEvent<T>
An event fired when a single item of aDataProvider
has been updated.
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Field Summary
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Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor Description DataChangeEvent(DataProvider<T,?> source)
Creates a newDataChangeEvent
event originating from the given data provider.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description DataProvider<T,?>
getSource()
void
unregisterListener()
Unregisters the event listener currently being invoked.-
Methods inherited from class java.util.EventObject
toString
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Constructor Detail
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DataChangeEvent
public DataChangeEvent(DataProvider<T,?> source)
Creates a newDataChangeEvent
event originating from the given data provider.- Parameters:
source
- the data provider, not null
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Method Detail
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getSource
public DataProvider<T,?> getSource()
- Overrides:
getSource
in classEventObject
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unregisterListener
public void unregisterListener() throws IllegalStateException
Unregisters the event listener currently being invoked.This method can only be called from within an event listener otherwise it throws an
IllegalStateException
. Calling it will remove the current event listener so no further events are passed to it.- Throws:
IllegalStateException
- if the method is called outside of the event listener.
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