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com.vaadin.client.data.
Package com.vaadin.client.data
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Interface Summary Interface Description CacheStrategy Determines what data an
AbstractRemoteDataSourceshould fetch and keep cached.DataChangeHandler Callback interface used by
DataSourceto inform its user about updates to the data.DataSource<T> Source of data for widgets showing lazily loaded data based on indexable items (e.g.
HierarchicalDataChangeHandler FOR INTERNAL USE ONLY.
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Class Summary Class Description AbstractRemoteDataSource<T> Base implementation for data sources that fetch data from a remote system.
AbstractRemoteDataSource.RequestRowsCallback<T> Callback used by
AbstractRemoteDataSource.requestRows(int, int, RequestRowsCallback)to pass data to the underlying implementation when data has been fetched.CacheStrategy.AbstractBasicSymmetricalCacheStrategy A helper class for creating a simple symmetric cache strategy that uses the same logic for both rows before and after the currently cached range.
CacheStrategy.DefaultCacheStrategy The default cache strategy used by
AbstractRemoteDataSource, using multiples of the page size for determining the minimum and maximum number of items to keep in the cache.DataSource.RowHandle<T> A handle that contains information on whether a row should be
pinnedorunpinned, and also always the most recent representation for that particular row.SimpleDataChangeHandler Helper class for creating a
DataChangeHandlerfor a Widget that does not support lazy loading.