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com.vaadin.flow.component.grid.dataview.
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 typeAll Implemented Interfaces:
DataView<T>,Serializablepublic class GridDataView<T> extends AbstractDataView<T>Implementation of generic data view for grid.
Since:
See Also:
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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 Modifier and Type Method Description TgetItem(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 supported
DataProvidertype for thisDataView.voidsetIdentifierProvider(IdentifierProvider<T> identifierProvider)Sets an identifier provider, which returns an identifier for the given item.
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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:
DataViewGets 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 numberReturns:
item on index
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getSupportedDataProviderType
protected Class<?> getSupportedDataProviderType()Description copied from class:
AbstractDataViewReturns supported
DataProvidertype for thisDataView.Specified by:
getSupportedDataProviderTypein classAbstractDataView<T>Returns:
supported data provider type
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getItems
public Stream<T> getItems()Description copied from interface:
DataViewGet 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:
DataViewSets 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:
setIdentifierProviderin interfaceDataView<T>Overrides:
setIdentifierProviderin classAbstractDataView<T>Parameters:
identifierProvider- function that returns the non-null identifier for a given item
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