/// <summary>
/// Defer the execution of the <paramref name="query" /> and batch the query command with other
/// future queries. The batch is executed when a future query requires a database round trip.
/// </summary>
/// <typeparam name="TResult">The type of the query result.</typeparam>
/// <param name="query">
/// The query to defer the execution of and to add in the batch of future
/// queries.
/// </param>
/// <returns>
/// The QueryFutureValue<TResult,TResult> added to the batch of futures queries.
/// </returns>
public static QueryFutureValue <TResult> FutureValue <TResult>(this IQueryable <TResult> query)
{
#if EF5 || EF6
var objectQuery = query.GetObjectQuery();
var futureBatch = QueryFutureManager.AddOrGetBatch(objectQuery.Context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, objectQuery);
#elif EFCORE
QueryFutureBatch futureBatch;
QueryFutureValue <TResult> futureQuery;
if (query.IsInMemoryQueryContext())
{
var context = query.GetInMemoryContext();
futureBatch = QueryFutureManager.AddOrGetBatch(context);
futureBatch.IsInMemory = true;
futureQuery = new QueryFutureValue <TResult>(futureBatch, query);
}
else
{
var context = query.GetDbContext();
futureBatch = QueryFutureManager.AddOrGetBatch(context);
futureQuery = new QueryFutureValue <TResult>(futureBatch, query);
}
#endif
futureBatch.Queries.Add(futureQuery);
return(futureQuery);
}
/// <summary>A DelayedQuery<TResult> extension method that future value.</summary>
/// <typeparam name="TResult">Type of the result.</typeparam>
/// <param name="query">The query to act on.</param>
/// <returns>A FutureQueryValue<TResult,TResult></returns>
public static QueryFutureValue <TResult> FutureValue <TResult>(this IQueryable <TResult> query)
{
var objectQuery = query.GetObjectQuery();
var futureBatch = QueryFutureManager.AddOrGetBatch(objectQuery.Context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, objectQuery);
futureBatch.Queries.Add(futureQuery);
return(futureQuery);
}
/// <summary>
/// Defer the execution of the <paramref name="query" /> and batch the query command with other
/// future queries. The batch is executed when a future query requires a database round trip.
/// </summary>
/// <typeparam name="TResult">The type of the query result.</typeparam>
/// <param name="query">
/// The query to defer the execution of and to add in the batch of future
/// queries.
/// </param>
/// <returns>
/// The QueryFutureValue<TResult,TResult> added to the batch of futures queries.
/// </returns>
public static QueryFutureValue <TResult> FutureValue <TResult>(this IQueryable <TResult> query)
{
#if EF5 || EF6
var objectQuery = query.GetObjectQuery();
var futureBatch = QueryFutureManager.AddOrGetBatch(objectQuery.Context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, objectQuery);
#elif EF7
var context = query.GetDbContext();
var futureBatch = QueryFutureManager.AddOrGetBatch(context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, query);
#endif
futureBatch.Queries.Add(futureQuery);
return(futureQuery);
}