/// <summary> /// Returns syncronized read-only collection of all found domain objects. /// </summary> /// <typeparam name="TEntity">Type of entities.</typeparam> /// <returns>Syncronized read-only collection of all found domain objects.</returns> protected IDataObjectCollection <T> _SearchAll <TEntity>(bool asSynchronized) where TEntity : EntityObject { DataObjectCollection <T, TEntity> resultCol = new DataObjectCollection <T, TEntity>(_dataService, true); resultCol.Initialize(false, asSynchronized); return(resultCol); }
/// <summary> /// Searches the table and returns read-only collection of found domain objects. /// </summary> /// <typeparam name="TEntity">Type of entities.</typeparam> /// <param name="initialQuery">Intial query to the database.</param> /// <param name="queryParams">Parameters for the query.</param> /// <param name="filterClause">Filter clause used for syncronized data object collections.</param> /// <returns>Collection of found domain objects. It is syncronized in <c>filterClause</c> isn't null.</returns> protected IDataObjectCollection <T> _Search <TEntity>(string initialQuery, ObjectParameter[] queryParams, Expression <Func <TEntity, bool> > filterClause) where TEntity : EntityObject { DataObjectCollection <T, TEntity> resultCol = new DataObjectCollection <T, TEntity>(_dataService, true); resultCol.Initialize(initialQuery, queryParams, filterClause); return(resultCol); }
/// <summary> /// Searches the table and returns read-only collection of found domain objects. /// </summary> /// <typeparam name="TEntity">Type of entities.</typeparam> /// <param name="whereClause">Where clause used to search objects.</param> /// <param name="filterClause">Filter clause used for syncronized data object collections.</param> /// <returns>Collection of found domain objects. It is syncronized in <c>filterClause</c> isn't null.</returns> protected IDataObjectCollection <T> _Search <TEntity>( Expression <Func <TEntity, bool> > whereClause, Expression <Func <TEntity, bool> > filterClause) where TEntity : EntityObject { DataObjectCollection <T, TEntity> resultCol = new DataObjectCollection <T, TEntity>(_dataService, true); resultCol.Initialize(whereClause, filterClause); return(resultCol); }
/// <summary> /// Retrieves data from the specified source. /// </summary> /// <typeparam name="TEntity">The type of entities to be returned.</typeparam> /// <param name="source">The source of data to be retrieved.</param> /// <param name="filterClause">Filters new data objects for synchronized data object /// collections.</param> /// <returns>A read-only collection of domain objects for the specified data /// source.</returns> protected IDataObjectCollection <T> Query <TEntity>( IQueryable <TEntity> source, Expression <Func <TEntity, bool> > filterClause) where TEntity : EntityObject { var objects = _dataService.FindObjects <TEntity>(source); var result = new DataObjectCollection <T, TEntity>(_dataService, true); result.Initialize(objects, filterClause); return(result); }