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com.vaadin.flow.component.grid.dataview.
Class GridListDataView<T>
java.lang.Object
com.vaadin.flow.data.provider.AbstractDataView<T>
com.vaadin.flow.data.provider.AbstractListDataView<T>
com.vaadin.flow.component.grid.dataview.GridListDataView<T>
Type Parameters:
T - data type
All Implemented Interfaces:
DataView<T>, ListDataView<T,, Serializable
Data view implementation for Grid with in-memory list data. Provides information on the data and allows operations on it.
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 -
Constructor Summary
ConstructorsConstructorDescriptionGridListDataView(DataCommunicator<T> dataCommunicator, Grid<T> grid, SerializableBiConsumer<SerializablePredicate<T>, SerializableComparator<T>> filterOrSortingChangedCallback) Creates a new instance of Grid in-memory data view and verifies the passed data provider is compatible with this data view implementation.
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Method Summary
Modifier and TypeMethodDescriptionintGet the full item count with filters if any set.
getItems()Get the full data available to the component.
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.AbstractListDataView
addFilter, addItem, addItemAfter, addItemBefore, addItems, addItemsAfter, addItemsBefore, addSortComparator, addSortOrder, contains, getDataProvider, getItem, getNextItem, getPreviousItem, getSupportedDataProviderType, removeFilters, removeItem, removeItems, removeSorting, setFilter, setSortComparator, setSortOrder, validateItemIndexMethods inherited from class com.vaadin.flow.data.provider.AbstractDataView
addIdentifierProviderChangeListener, addItemCountChangeListener, equals, getIdentifierProvider, refreshAll, refreshItem, verifyDataProviderTypeMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface com.vaadin.flow.data.provider.DataView
addItemCountChangeListener, refreshAll, refreshItem
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Constructor Details
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GridListDataView
public GridListDataView(DataCommunicator<T> dataCommunicator, Grid<T> grid, SerializableBiConsumer<SerializablePredicate<T>, SerializableComparator<T>> filterOrSortingChangedCallback) Creates a new instance of Grid in-memory data view and verifies the passed data provider is compatible with this data view implementation.
Parameters:
dataCommunicator- the data communicator of the Grid, notnullgrid- the Grid component, notnullfilterOrSortingChangedCallback- callback, which is being invoked when the Grid's filtering or sorting changes, notnull
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Method Details
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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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getItemCount
public int getItemCount()Description copied from interface:
ListDataViewGet the full item count with filters if any set. As the item count might change at any point, it is recommended to add a listener with the
DataView.addItemCountChangeListener(ComponentEventListener)method instead to get notified when the item count has changed.Specified by:
getItemCountin interfaceListDataView<T,AbstractListDataView<T>> Overrides:
getItemCountin classAbstractListDataView<T>Returns:
filtered item count
See Also:
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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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