/// <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 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 QueryDeferred <TResult> query)
{
if (!QueryFutureManager.AllowQueryBatch)
{
var futureValue = new QueryFutureValue <TResult>(null, null);
futureValue.GetResultDirectly(query.Query);
return(futureValue);
}
#if EF5 || EF6
var objectQuery = query.Query.GetObjectQuery();
var futureBatch = QueryFutureManager.AddOrGetBatch(objectQuery.Context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, objectQuery);
#elif EFCORE
QueryFutureBatch futureBatch;
QueryFutureValue <TResult> futureQuery;
if (query.Query.IsInMemoryQueryContext())
{
var context = query.Query.GetInMemoryContext();
futureBatch = QueryFutureManager.AddOrGetBatch(context);
futureBatch.IsInMemory = true;
futureQuery = new QueryFutureValue <TResult>(futureBatch, query.Query);
futureQuery.InMemoryDeferredQuery = query;
}
else
{
var context = query.Query.GetDbContext();
futureBatch = QueryFutureManager.AddOrGetBatch(context);
futureQuery = new QueryFutureValue <TResult>(futureBatch, query.Query);
}
#endif
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 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 QueryDeferred <TResult> query)
{
#if EF5 || EF6
var objectQuery = query.Query.GetObjectQuery();
var futureBatch = QueryFutureManager.AddOrGetBatch(objectQuery.Context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, objectQuery);
#elif EF7
var context = query.Query.GetDbContext();
var futureBatch = QueryFutureManager.AddOrGetBatch(context);
var futureQuery = new QueryFutureValue <TResult>(futureBatch, query.Query);
#endif
futureBatch.Queries.Add(futureQuery);
return(futureQuery);
}
