public IEnumerable <Dictionary <String, Object> > Resolve(ResolveFieldContext context)
{
var results = new List <Dictionary <String, Object> >();
var translator = new OeGraphqlAstToODataUri(_edmModel, context);
ODataUri odataUri = translator.Translate(context.Document.OriginalQuery);
IEdmModel refModel = _edmModel.GetEdmModel(odataUri.Path);
Db.OeDataAdapter dataAdapter = refModel.GetDataAdapter(refModel.EntityContainer);
context.UserContext = dataAdapter.CreateDataContext();
try
{
var queryContext = new Parsers.OeQueryContext(refModel, odataUri);
IAsyncEnumerator <Object> asyncEnumerator = dataAdapter.Execute(context.UserContext, queryContext).GetEnumerator();
using (var entityAsyncEnumerator = new OeGraphqlAsyncEnumerator(asyncEnumerator, queryContext.EntryFactory))
{
while (entityAsyncEnumerator.MoveNext().GetAwaiter().GetResult())
{
results.Add(entityAsyncEnumerator.Current);
}
}
}
finally
{
if (context.UserContext != null)
{
dataAdapter.CloseDataContext(context.UserContext);
}
}
return(results);
}
public Uri GetOdataUri(String query)
{
var context = new ResolveFieldContext()
{
Schema = Schema
};
var translator = new OeGraphqlAstToODataUri(EdmModel, context);
ODataUri odataUri = translator.Translate(query);
return(odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses));
}
public async Task <IEnumerable <Dictionary <String, Object?> > > Resolve(IResolveFieldContext context)
{
var results = new List <Dictionary <String, Object?> >();
var translator = new OeGraphqlAstToODataUri(_edmModel, context);
ODataUri odataUri = translator.Translate(context.Document.OriginalQuery);
IEdmModel refModel = _edmModel.GetEdmModel(odataUri.Path);
Db.OeDataAdapter dataAdapter = refModel.GetDataAdapter(refModel.EntityContainer);
Object dataContext = dataAdapter.CreateDataContext();
OeGraphqlAsyncEnumerator?entityAsyncEnumerator = null;
try
{
var queryContext = new Parsers.OeQueryContext(refModel, odataUri);
IAsyncEnumerator <Object> asyncEnumerator = dataAdapter.Execute(dataContext, queryContext).GetAsyncEnumerator();
if (queryContext.EntryFactory == null)
{
throw new InvalidOperationException("queryContext.EntryFactory must be not null");
}
entityAsyncEnumerator = new OeGraphqlAsyncEnumerator(asyncEnumerator, queryContext.EntryFactory, CancellationToken.None);
while (await entityAsyncEnumerator.MoveNextAsync())
{
if (entityAsyncEnumerator.Current != null)
{
results.Add(entityAsyncEnumerator.Current);
}
}
}
finally
{
if (dataContext != null)
{
dataAdapter.CloseDataContext(dataContext);
}
if (entityAsyncEnumerator != null)
{
await entityAsyncEnumerator.DisposeAsync().ConfigureAwait(false);
}
}
return(results);
}