public override IAsyncEnumerable <Object> Execute(Object dataContext, OeQueryContext queryContext)
{
Expression expression;
MethodCallExpression countExpression = null;
IQueryable query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
if (base.QueryCache.AllowCache)
{
expression = GetFromCache(queryContext, (T)dataContext, base.QueryCache, out countExpression);
}
else
{
expression = queryContext.CreateExpression(new OeConstantToVariableVisitor());
expression = new OeEf6EnumerableToQuerableVisitor().Visit(expression);
expression = queryContext.TranslateSource(dataContext, expression);
if (queryContext.IsQueryCount())
{
countExpression = queryContext.CreateCountExpression(expression);
}
}
IDbAsyncEnumerable asyncEnumerable = (IDbAsyncEnumerable)query.Provider.CreateQuery(expression);
IAsyncEnumerable <Object> asyncEnumerator = new OeEf6AsyncEnumerator(asyncEnumerable);
if (countExpression != null)
{
query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
queryContext.TotalCountOfItems = query.Provider.Execute <int>(countExpression);
}
return(asyncEnumerator);
}
public override Db.OeAsyncEnumerator ExecuteEnumerator(Object dataContext, OeQueryContext queryContext, CancellationToken cancellationToken)
{
Expression expression;
MethodCallExpression countExpression = null;
IQueryable query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
if (base.QueryCache.AllowCache)
{
expression = GetFromCache(queryContext, (T)dataContext, base.QueryCache, out countExpression);
}
else
{
expression = queryContext.CreateExpression(new OeConstantToVariableVisitor());
expression = new EnumerableToQuerableVisitor().Visit(expression);
expression = queryContext.TranslateSource(dataContext, expression);
if (queryContext.ODataUri.QueryCount.GetValueOrDefault())
{
countExpression = OeQueryContext.CreateCountExpression(expression);
}
}
IDbAsyncEnumerable asyncEnumerable = (IDbAsyncEnumerable)query.Provider.CreateQuery(expression);
Db.OeAsyncEnumerator asyncEnumerator = new OeEf6AsyncEnumerator(asyncEnumerable.GetAsyncEnumerator(), cancellationToken);
if (countExpression != null)
{
query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
asyncEnumerator.Count = query.Provider.Execute <int>(countExpression);
}
return(base.OperationAdapter.ApplyBoundFunction(asyncEnumerator, queryContext));
}
public override Db.OeAsyncEnumerator ExecuteEnumerator(Object dataContext, OeQueryContext queryContext, CancellationToken cancellationToken)
{
IQueryable query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
Expression expression = queryContext.CreateExpression(query, new OeConstantToVariableVisitor(queryContext.SkipTokenParser != null));
expression = new EnumerableToQuerableVisitor().Visit(expression);
var queryAsync = (IDbAsyncEnumerable)query.Provider.CreateQuery(expression);
Db.OeAsyncEnumerator asyncEnumerator = new OeEf6AsyncEnumerator(queryAsync.GetAsyncEnumerator(), cancellationToken);
if (queryContext.CountExpression != null)
{
asyncEnumerator.Count = query.Provider.Execute <int>(queryContext.CountExpression);
}
return(asyncEnumerator);
}
