Package com.vaadin.client.data

Interface Summary

Interface	Description
CacheStrategy	Determines what data an AbstractRemoteDataSource should fetch and keep cached.
DataChangeHandler	Callback interface used by DataSource to 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. rows) of a specified type.
HierarchicalDataChangeHandler	FOR INTERNAL USE ONLY.

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 pinned or unpinned, and also always the most recent representation for that particular row.
SimpleDataChangeHandler	Helper class for creating a DataChangeHandler for a Widget that does not support lazy loading.