public OeQueryContext CreateQueryContext(ODataUri odataUri, int pageSize, bool navigationNextLink, OeMetadataLevel metadataLevel)
{
List <OeParseNavigationSegment> navigationSegments = null;
if (odataUri.Path.LastSegment is KeySegment ||
odataUri.Path.LastSegment is NavigationPropertySegment)
{
navigationSegments = new List <OeParseNavigationSegment>();
ODataPathSegment previousSegment = null;
foreach (ODataPathSegment segment in odataUri.Path)
{
if (segment is NavigationPropertySegment navigationSegment)
{
navigationSegments.Add(new OeParseNavigationSegment(navigationSegment, null));
}
else if (segment is KeySegment)
{
IEdmEntitySet previousEntitySet;
var keySegment = segment as KeySegment;
navigationSegment = null;
if (previousSegment is EntitySetSegment)
{
var previousEntitySetSegment = previousSegment as EntitySetSegment;
previousEntitySet = previousEntitySetSegment.EntitySet;
}
else if (previousSegment is NavigationPropertySegment)
{
navigationSegment = previousSegment as NavigationPropertySegment;
previousEntitySet = (IEdmEntitySet)navigationSegment.NavigationSource;
}
else
{
throw new InvalidOperationException("invalid segment");
}
FilterClause keyFilter = CreateFilterClause(previousEntitySet, keySegment.Keys);
navigationSegments.Add(new OeParseNavigationSegment(navigationSegment, keyFilter));
}
previousSegment = segment;
}
}
if (pageSize > 0)
{
odataUri.Top = pageSize;
IEdmEntityType edmEntityType = GetEntityType(odataUri.Path, navigationSegments);
odataUri.OrderBy = OeSkipTokenParser.GetUniqueOrderBy(_edmModel, edmEntityType, odataUri.OrderBy, odataUri.Apply);
}
var entitySetSegment = (EntitySetSegment)odataUri.Path.FirstSegment;
IEdmEntitySet entitySet = entitySetSegment.EntitySet;
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.EntitySetAdapters.FindByEntitySetName(entitySet.Name);
bool isCountSegment = odataUri.Path.LastSegment is CountSegment;
return(new OeQueryContext(_edmModel, odataUri, entitySet, navigationSegments,
isCountSegment, pageSize, navigationNextLink, _dataAdapter.IsDatabaseNullHighestValue, metadataLevel, entitySetAdapter));
}
public static Db.OeEntitySetAdapter GetEntitySetAdapter(this IEdmModel edmModel, IEdmEntitySet entitySet)
{
Db.OeEntitySetAdapter entitySetAdapter = edmModel.GetAnnotationValue <Db.OeEntitySetAdapter>(entitySet);
if (entitySetAdapter == null)
{
entitySetAdapter = edmModel.GetEdmModel(entitySet).GetAnnotationValue <Db.OeEntitySetAdapter>(entitySet);
}
return(entitySetAdapter);
}
public OeQueryContext CreateQueryContext(ODataUri odataUri, OeMetadataLevel metadataLevel, Type returnClrType)
{
String entitySetName = _dataAdapter.EntitySetMetaAdapters.FindByClrType(returnClrType).EntitySetName;
IEdmEntitySet entitySet = _model.FindDeclaredEntitySet(entitySetName);
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(returnClrType, entitySet);
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.GetEntitySetAdapter(entitySet.Name);
return(new OeQueryContext(_model, odataUri, entitySet, null, false, 0, false,
_dataAdapter.IsDatabaseNullHighestValue, metadataLevel, ref entitySetAdapter)
{
EntryFactory = OeEntryFactory.CreateEntryFactory(entitySet, accessors),
});
}
public static void SetEntitySetAdapter(this IEdmModel edmModel, IEdmEntitySet entitySet, Db.OeEntitySetAdapter entitySetAdapter)
{
edmModel.SetAnnotationValue(entitySet, entitySetAdapter);
}
protected abstract OeAsyncEnumerator ExecuteReader(Object dataContext, String sql, IReadOnlyList <KeyValuePair <String, Object> > parameters, OeEntitySetAdapter entitySetAdapter);
public virtual OeAsyncEnumerator ExecuteProcedureReader(Object dataContext, String operationName, IReadOnlyList <KeyValuePair <String, Object> > parameters, OeEntitySetAdapter entitySetAdapter)
{
String procedureName = GetProcedureName(dataContext, operationName, parameters);
return(ExecuteReader(dataContext, procedureName, parameters, entitySetAdapter));
}
public virtual OeAsyncEnumerator ExecuteFunctionReader(Object dataContext, String operationName, IReadOnlyList <KeyValuePair <String, Object> > parameters, OeEntitySetAdapter entitySetAdapter)
{
String sql = GetSql(dataContext, parameters);
String functionName = GetOperationCaseSensitivityName(operationName, GetDefaultSchema(dataContext));
return(ExecuteReader(dataContext, "select * from " + functionName + sql.ToString(), parameters, entitySetAdapter));
}
