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com.vaadin.flow.component.select.data.
Class SelectDataView<T>
java.lang.Object
com.vaadin.flow.data.provider.AbstractDataView<T>
com.vaadin.flow.component.select.data.SelectDataView<T>
Type Parameters:
T - item type
All Implemented Interfaces:
DataView<T>, Serializable
Implementation of generic data view for Select.
Since:
See Also:
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Field Summary
Fields inherited from class com.vaadin.flow.data.provider.AbstractDataView
component, dataProviderSupplier, NULL_IDENTIFIER_ERROR_MESSAGE, NULL_ITEM_ERROR_MESSAGE -
Constructor Summary
ConstructorsConstructorDescriptionSelectDataView(SerializableSupplier<DataProvider<T, ?>> dataProviderSupplier, Select<T> select) Constructs a new DataView.
SelectDataView(SerializableSupplier<DataProvider<T, ?>> dataProviderSupplier, Select<T> select, SerializableConsumer<IdentifierProvider<T>> identifierChangedCallback) Constructs a new DataView.
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Method Summary
Modifier and TypeMethodDescriptiongetItem(int index) Gets the item at the given index from the data available to the component.
protected Class<?>Returns supported
DataProvidertype for thisDataView.voidsetIdentifierProvider(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
addIdentifierProviderChangeListener, addItemCountChangeListener, equals, getIdentifierProvider, getItemIndex, getItemIndex, getItems, refreshAll, refreshItem, verifyDataProviderType, verifyDataProviderType
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Constructor Details
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SelectDataView
public SelectDataView(SerializableSupplier<DataProvider<T, ?>> dataProviderSupplier, Select<T> select) Constructs a new DataView.
Parameters:
dataProviderSupplier- data provider supplierselect- select instance for this DataView -
SelectDataView
public SelectDataView(SerializableSupplier<DataProvider<T, ?>> dataProviderSupplier, Select<T> select, SerializableConsumer<IdentifierProvider<T>> identifierChangedCallback) Constructs a new DataView.
Parameters:
dataProviderSupplier- data provider supplierselect- select instance for this DataViewidentifierChangedCallback- callback method which should be called when identifierProvider is changed
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Method Details
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getItem
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
Description copied from class:
AbstractDataViewReturns supported
DataProvidertype for thisDataView.Specified by:
getSupportedDataProviderTypein classAbstractDataView<T>Returns:
supported data provider type
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setIdentifierProvider
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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