Class GridDataView<T>
- java.lang.Object
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- com.vaadin.flow.data.provider.AbstractDataView<T>
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- com.vaadin.flow.component.grid.dataview.GridDataView<T>
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- Type Parameters:
T
- the item type
- All Implemented Interfaces:
DataView<T>
,Serializable
public class GridDataView<T> extends AbstractDataView<T>
Implementation of generic data view for grid.- Since:
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class com.vaadin.flow.data.provider.AbstractDataView
component, dataProviderSupplier, NULL_IDENTIFIER_ERROR_MESSAGE, NULL_ITEM_ERROR_MESSAGE
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Constructor Summary
Constructors Constructor Description GridDataView(DataCommunicator<T> dataCommunicator, Grid<T> grid)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description T
getItem(int index)
Gets the item at the given index from the data available to the component.Stream<T>
getItems()
Get the full data available to the component.protected Class<?>
getSupportedDataProviderType()
Returns supportedDataProvider
type for thisDataView
.void
setIdentifierProvider(IdentifierProvider<T> identifierProvider)
Sets an identifier provider, which returns an identifier for the given item.-
Methods inherited from class com.vaadin.flow.data.provider.AbstractDataView
addItemCountChangeListener, equals, getIdentifierProvider, refreshAll, refreshItem, verifyDataProviderType
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Constructor Detail
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GridDataView
public GridDataView(DataCommunicator<T> dataCommunicator, Grid<T> grid)
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Method Detail
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getItem
public T getItem(int index)
Description copied from interface:DataView
Gets the item at the given index from the data available to the component. Data is filtered and sorted the same way as in the component.- Parameters:
index
- item index number- Returns:
- item on index
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getSupportedDataProviderType
protected Class<?> getSupportedDataProviderType()
Description copied from class:AbstractDataView
Returns supportedDataProvider
type for thisDataView
.- Specified by:
getSupportedDataProviderType
in classAbstractDataView<T>
- Returns:
- supported data provider type
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getItems
public Stream<T> getItems()
Description copied from interface:DataView
Get the full data available to the component. Data is filtered and sorted the same way as in the component.
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setIdentifierProvider
public void setIdentifierProvider(IdentifierProvider<T> identifierProvider)
Description copied from interface:DataView
Sets an identifier provider, which returns an identifier for the given item. The identifier is used for comparing the equality of items. Usage example:dataView.setIdentifiedProvider(Item::getId);
.- Specified by:
setIdentifierProvider
in interfaceDataView<T>
- Overrides:
setIdentifierProvider
in classAbstractDataView<T>
- Parameters:
identifierProvider
- function that returns the non-null identifier for a given item
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