private OeEntryFactory CreateNestedEntryFactory(Type sourceType, IEdmEntitySet entitySet, ODataNestedResourceInfo resourceInfo)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
IReadOnlyList <MemberExpression> itemExpressions = OeExpressionHelper.GetPropertyExpression(Expression.Convert(parameter, sourceType));
List <OeEntryFactory> navigationLinks = GetNavigationLinks(itemExpressions, parameter);
OePropertyAccessor[] accessors;
if (_pathSelect)
{
var accessorsList = new List <OePropertyAccessor>(_selectItemInfos.Count);
for (int i = 0; i < _selectItemInfos.Count; i++)
{
SelectItemInfo info = _selectItemInfos[i];
if (info.EdmProperty is IEdmStructuralProperty)
{
accessorsList.Add(OePropertyAccessor.CreatePropertyAccessor(info.EdmProperty, itemExpressions[i], parameter));
}
}
accessors = accessorsList.ToArray();
}
else
{
accessors = OePropertyAccessor.CreateFromExpression(itemExpressions[0], parameter, entitySet);
}
return(OeEntryFactory.CreateEntryFactoryNested(entitySet, accessors, resourceInfo, navigationLinks));
}
private List <OeEntryFactory> GetNavigationLinks(IReadOnlyList <MemberExpression> itemExpressions, ParameterExpression parameter)
{
var navigationLinks = new List <OeEntryFactory>(_selectItemInfos.Count);
for (int i = 0; i < _selectItemInfos.Count; i++)
{
SelectItemInfo itemInfo = _selectItemInfos[i];
if (itemInfo.EdmProperty is IEdmNavigationProperty)
{
MemberExpression expression = itemExpressions[_pathSelect ? i : i + 1];
OeEntryFactory entryFactory;
if (itemInfo.EntryFactory == null)
{
Type type = expression.Type;
if (itemInfo.ResourceInfo.IsCollection.GetValueOrDefault())
{
type = OeExpressionHelper.GetCollectionItemType(type);
}
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(type, itemInfo.EntitySet);
entryFactory = OeEntryFactory.CreateEntryFactoryChild(itemInfo.EntitySet, accessors, itemInfo.ResourceInfo);
entryFactory.CountOption = itemInfo.CountOption;
}
else
{
entryFactory = itemInfo.EntryFactory;
}
entryFactory.LinkAccessor = (Func <Object, Object>)Expression.Lambda(expression, parameter).Compile();
navigationLinks.Add(entryFactory);
}
}
return(navigationLinks);
}
private static OePropertyAccessor[] GetAccessorsWithoutSkiptoken(OePropertyAccessor[] accessors)
{
int skiptokenCount = 0;
for (int i = 0; i < accessors.Length; i++)
{
if (accessors[i].SkipToken)
{
skiptokenCount++;
}
}
if (skiptokenCount == 0)
{
return(accessors);
}
var accessorsWithoutSkiptoken = new OePropertyAccessor[accessors.Length - skiptokenCount];
int index = 0;
for (int i = 0; i < accessors.Length; i++)
{
if (!accessors[i].SkipToken)
{
accessorsWithoutSkiptoken[index++] = accessors[i];
}
}
return(accessorsWithoutSkiptoken);
}
public OeEntryFactory CreateEntryFactory(Type entityType, IEdmEntitySetBase entitySet, Type sourceType)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
IReadOnlyList <MemberExpression> itemExpressions = OeExpressionHelper.GetPropertyExpression(Expression.Convert(parameter, sourceType));
OeEntryFactory entryFactory;
List <OeEntryFactory> navigationLinks = GetNavigationLinks(itemExpressions, parameter);
if (_pathSelect)
{
var accessors = new List <OePropertyAccessor>(_selectItemInfos.Count);
for (int i = 0; i < _selectItemInfos.Count; i++)
{
SelectItemInfo info = _selectItemInfos[i];
if (info.EdmProperty is IEdmStructuralProperty)
{
accessors.Add(OePropertyAccessor.CreatePropertyAccessor(info.EdmProperty, itemExpressions[i], parameter));
}
}
entryFactory = OeEntryFactory.CreateEntryFactoryParent(entitySet, accessors.ToArray(), navigationLinks);
}
else
{
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(entityType, entitySet);
entryFactory = OeEntryFactory.CreateEntryFactoryParent(entitySet, accessors, navigationLinks);
entryFactory.LinkAccessor = (Func <Object, Object>)Expression.Lambda(itemExpressions[0], parameter).Compile();
}
return(entryFactory);
}
public static OePropertyAccessor[] CreateFromTuple(Type tupleType, IReadOnlyList <IEdmProperty> edmProperties, int groupItemIndex)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
IReadOnlyList <MemberExpression> itemExpressions = OeExpressionHelper.GetPropertyExpressions(Expression.Convert(parameter, tupleType));
int aliasIndex = 0;
var accessors = new OePropertyAccessor[edmProperties.Count];
if (groupItemIndex >= 0)
{
IReadOnlyList <MemberExpression> groupExpressions = OeExpressionHelper.GetPropertyExpressions(itemExpressions[groupItemIndex]);
for (; aliasIndex < groupExpressions.Count; aliasIndex++)
{
accessors[aliasIndex] = CreatePropertyAccessor(edmProperties[aliasIndex], groupExpressions[aliasIndex], parameter, false);
}
}
for (int itemIndex = 0; itemIndex < itemExpressions.Count; itemIndex++)
{
if (itemIndex != groupItemIndex)
{
accessors[aliasIndex] = CreatePropertyAccessor(edmProperties[aliasIndex], itemExpressions[itemIndex], parameter, false);
aliasIndex++;
}
}
return(accessors);
}
private OeEntryFactory CreateEntryFactoryFromTuple(IEdmModel edmModel, OeEntryFactory?parentEntryFactory, OePropertyAccessor[] skipTokenAccessors)
{
OePropertyAccessor[] accessors = _allAccessors;
if (IsTuple)
{
OePropertyAccessor[] propertyAccessors = OePropertyAccessor.CreateFromType(edmModel.GetClrType(EntitySet), EntitySet);
accessors = new OePropertyAccessor[_allAccessors.Length];
for (int i = 0; i < accessors.Length; i++)
{
OePropertyAccessor accessor = Array.Find(propertyAccessors, pa => pa.EdmProperty == _allAccessors[i].EdmProperty);
if (Array.IndexOf(Accessors, _allAccessors[i]) == -1)
{
var convertExpression = (UnaryExpression)accessor.PropertyExpression.Expression;
var parameterExpression = (ParameterExpression)convertExpression.Operand;
accessor = OePropertyAccessor.CreatePropertyAccessor(accessor.EdmProperty, accessor.PropertyExpression, parameterExpression, true);
}
accessors[i] = accessor;
}
}
var navigationLinks = new OeEntryFactory[NavigationLinks.Count];
for (int i = 0; i < NavigationLinks.Count; i++)
{
navigationLinks[i] = NavigationLinks[i].CreateEntryFactoryFromTuple(edmModel, this, Array.Empty <OePropertyAccessor>());
}
OeEntryFactoryOptions options;
if (parentEntryFactory == null)
{
options = new OeEntryFactoryOptions()
{
Accessors = accessors,
EntitySet = EntitySet,
NavigationLinks = navigationLinks,
SkipTokenAccessors = skipTokenAccessors,
};
return(new OeEntryFactory(ref options));
}
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression typedParameter = Expression.Convert(parameter, edmModel.GetClrType(parentEntryFactory.EntitySet));
MemberExpression navigationPropertyExpression = Expression.Property(typedParameter, EdmNavigationProperty.Name);
LambdaExpression linkAccessor = Expression.Lambda(navigationPropertyExpression, parameter);
options = new OeEntryFactoryOptions()
{
Accessors = accessors,
EdmNavigationProperty = EdmNavigationProperty,
EntitySet = EntitySet,
LinkAccessor = linkAccessor,
NavigationLinks = navigationLinks,
NavigationSelectItem = NavigationSelectItem,
SkipTokenAccessors = skipTokenAccessors,
};
return(new OeEntryFactory(ref options));
}
public ODataResource CreateEntry(Object entity)
{
var odataProperties = new ODataProperty[Accessors.Length];
for (int i = 0; i < Accessors.Length; i++)
{
OePropertyAccessor accessor = Accessors[i];
Object value = accessor.Accessor(entity);
ODataValue odataValue = null;
if (value == null)
{
odataValue = new ODataNullValue();
}
else if (value.GetType().IsEnum)
{
odataValue = new ODataEnumValue(value.ToString());
}
else if (value is DateTime dateTime)
{
switch (dateTime.Kind)
{
case DateTimeKind.Unspecified:
value = new DateTimeOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Utc));
break;
case DateTimeKind.Utc:
value = new DateTimeOffset(dateTime);
break;
case DateTimeKind.Local:
value = new DateTimeOffset(dateTime.ToUniversalTime());
break;
default:
throw new ArgumentOutOfRangeException("unknown DateTimeKind " + dateTime.Kind.ToString());
}
odataValue = new ODataPrimitiveValue(value);
}
else
{
odataValue = new ODataPrimitiveValue(value);
}
odataValue.TypeAnnotation = accessor.TypeAnnotation;
odataProperties[i] = new ODataProperty()
{
Name = accessor.Name, Value = odataValue
};
}
return(new ODataResource
{
TypeName = _typeName,
Properties = odataProperties
});
}
public OeQueryContext CreateQueryContext(ODataUri odataUri, IEdmEntitySet entitySet, OeMetadataLevel metadataLevel)
{
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(_edmModel.GetClrType(entitySet), entitySet);
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.EntitySetAdapters.Find(entitySet);
return(new OeQueryContext(_edmModel, odataUri, entitySetAdapter)
{
EntryFactory = new OeEntryFactory(entitySet, accessors, null),
MetadataLevel = metadataLevel
});
}
public OeEntryFactory CreateEntryFactory(IEdmEntitySet entitySet)
{
if (_entryFactoryFactory != null)
{
return(_entryFactoryFactory(entitySet, ParameterType));
}
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(ParameterType, entitySet);
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}
public OeEntryFactory CreateEntryFactory(Type entityType, IEdmEntitySet entitySet, Type sourceType)
{
OePropertyAccessor[] accessors;
if (_aggProperties.Count == 0)
{
accessors = OePropertyAccessor.CreateFromType(entityType, entitySet);
}
else
{
accessors = OePropertyAccessor.CreateFromTuple(sourceType, _aggProperties, 0);
}
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}
public OeEntryFactory CreateEntryFactory(Type entityType, IEdmEntitySet entitySet, Type sourceType)
{
OePropertyAccessor[] accessors;
if (_aggProperties.Count == 0)
{
accessors = OePropertyAccessor.CreateFromType(entityType, entitySet);
}
else
{
int groupIndex = _aggProperties.FindIndex(a => a.IsGroup);
accessors = OePropertyAccessor.CreateFromTuple(sourceType, _aggProperties, groupIndex);
}
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}
public OeQueryContext CreateQueryContext(ODataUri odataUri, OeMetadataLevel metadataLevel)
{
var importSegment = (OperationImportSegment)odataUri.Path.FirstSegment;
IEdmEntitySet entitySet = OeOperationHelper.GetEntitySet(importSegment.OperationImports.Single());
if (entitySet == null)
return null;
Type clrType = _edmModel.GetClrType(entitySet.EntityType());
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(clrType, entitySet);
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.EntitySetAdapters.Find(entitySet);
return new OeQueryContext(_edmModel, odataUri, null, false, 0, false, metadataLevel, entitySetAdapter)
{
EntryFactory = OeEntryFactory.CreateEntryFactory(entitySet, accessors),
};
}
public static OePropertyAccessor[] GetAccessors(Expression source, OrderByClause orderByClause, Translators.OeJoinBuilder joinBuilder)
{
var accessors = new List <OePropertyAccessor>();
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, OeExpressionHelper.GetCollectionItemType(source.Type));
while (orderByClause != null)
{
MemberExpression propertyExpression = Translators.OeOrderByTranslator.GetPropertyExpression(joinBuilder, source, instance, orderByClause.Expression);
IEdmStructuralProperty edmProperty = GetEdmProperty(orderByClause.Expression, propertyExpression.Type);
accessors.Add(OePropertyAccessor.CreatePropertyAccessor(edmProperty, propertyExpression, parameter, true));
orderByClause = orderByClause.ThenBy;
}
return(accessors.ToArray());
}
public static OePropertyAccessor[] GetAccessors(Expression source, OrderByClause orderByClause, Translators.OeJoinBuilder joinBuilder)
{
var accessors = new List <OePropertyAccessor>();
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, OeExpressionHelper.GetCollectionItemType(source.Type));
while (orderByClause != null)
{
var propertyNode = (SingleValuePropertyAccessNode)orderByClause.Expression;
MemberExpression propertyExpression = joinBuilder.GetJoinPropertyExpression(source, instance, propertyNode);
accessors.Add(OePropertyAccessor.CreatePropertyAccessor(propertyNode.Property, propertyExpression, parameter, true));
orderByClause = orderByClause.ThenBy;
}
return(accessors.ToArray());
}
public static OePropertyAccessor[] GetAccessors(Expression source, OrderByClause orderByClause, Translators.OeJoinBuilder joinBuilder)
{
var accessors = new List <OePropertyAccessor>();
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, OeExpressionHelper.GetCollectionItemType(source.Type));
while (orderByClause != null)
{
MemberExpression propertyExpression = Translators.OeOrderByTranslator.GetPropertyExpression(joinBuilder, source, instance, orderByClause.Expression);
IEdmStructuralProperty edmProperty = GetEdmProperty(orderByClause.Expression, propertyExpression.Type);
OePropertyAccessor accessor;
if (typeof(OeDynamicType).IsAssignableFrom(propertyExpression.Expression !.Type))
{
PropertyInfo indexProperty = typeof(OeDynamicType).GetProperty("Item") !;
MethodCallExpression expression = Expression.Call(propertyExpression.Expression !, indexProperty.GetGetMethod() !, Expression.Constant(edmProperty.Name));
accessor = OePropertyAccessor.CreatePropertyAccessor(edmProperty, expression, parameter, true);
}
public OeQueryContext CreateQueryContext(ODataUri odataUri, OeMetadataLevel metadataLevel)
{
var importSegment = (OperationImportSegment)odataUri.Path.FirstSegment;
IEdmEntitySet entitySet = OeOperationHelper.GetEntitySet(importSegment.OperationImports.Single());
if (entitySet == null)
{
return(null);
}
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(_edmModel.GetClrType(entitySet), entitySet);
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.EntitySetAdapters.Find(entitySet);
return(new OeQueryContext(_edmModel, odataUri, entitySetAdapter)
{
EntryFactory = new OeEntryFactory(entitySet, accessors, Array.Empty <OePropertyAccessor>()),
MetadataLevel = metadataLevel
});
}
private OePropertyAccessor[] GetSkipTokenAccessors(IEdmModel edmModel, OrderByClause?orderByClause)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
Type clrEntityType = edmModel.GetClrType(EntitySet);
var visitor = new OeQueryNodeVisitor(Expression.Parameter(clrEntityType));
var skipTokenAccessors = new List <OePropertyAccessor>();
while (orderByClause != null)
{
var propertyNode = (SingleValuePropertyAccessNode)orderByClause.Expression;
var propertyExpression = (MemberExpression)visitor.Visit(propertyNode);
propertyExpression = OeExpressionHelper.ReplaceParameter(propertyExpression, parameter);
skipTokenAccessors.Add(OePropertyAccessor.CreatePropertyAccessor(propertyNode.Property, propertyExpression, parameter, true));
orderByClause = orderByClause.ThenBy;
}
return(skipTokenAccessors.ToArray());
}
private OeEntryFactory CreateEntryFactory(OeExpressionBuilder expressionBuilder)
{
IEdmEntitySet entitySet;
if (ODataUri.Path.LastSegment is OperationSegment)
{
entitySet = OeOperationHelper.GetEntitySet(ODataUri.Path);
Type clrEntityType = EdmModel.GetClrType(entitySet.EntityType());
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(clrEntityType, entitySet);
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}
entitySet = OeParseNavigationSegment.GetEntitySet(ParseNavigationSegments);
if (entitySet == null)
{
entitySet = OeEdmClrHelper.GetEntitySet(EdmModel, EntitySetAdapter.EntitySetName);
}
return(expressionBuilder.CreateEntryFactory(entitySet));
}
protected OePropertyAccessor[] GetAccessorsFromTuple(IEdmModel edmModel)
{
OePropertyAccessor[] accessors = _allAccessors;
if (IsTuple)
{
OePropertyAccessor[] propertyAccessors = OePropertyAccessor.CreateFromType(edmModel.GetClrType(EntitySet), EntitySet);
accessors = new OePropertyAccessor[_allAccessors.Length];
for (int i = 0; i < accessors.Length; i++)
{
OePropertyAccessor accessor = Array.Find(propertyAccessors, pa => pa.EdmProperty == _allAccessors[i].EdmProperty);
if (Array.IndexOf(Accessors, _allAccessors[i]) == -1)
{
var convertExpression = (UnaryExpression)accessor.PropertyExpression.Expression;
var parameterExpression = (ParameterExpression)convertExpression.Operand;
accessor = OePropertyAccessor.CreatePropertyAccessor(accessor.EdmProperty, accessor.PropertyExpression, parameterExpression, true);
}
accessors[i] = accessor;
}
}
return(accessors);
}
public ODataResource CreateEntry(Object entity)
{
for (int i = 0; i < _accessors.Length; i++)
{
OePropertyAccessor accessor = _accessors[i];
Object value = accessor.Accessor(entity);
if (value is DateTime)
{
value = (DateTimeOffset)(DateTime)value;
}
ODataValue odataValue = null;
if (value == null)
{
odataValue = new ODataNullValue()
{
TypeAnnotation = accessor.TypeAnnotation
}
}
;
else
{
if (value.GetType().GetTypeInfo().IsEnum)
{
odataValue = new ODataEnumValue(value.ToString());
}
else
{
odataValue = new ODataPrimitiveValue(value);
}
odataValue.TypeAnnotation = accessor.TypeAnnotation;
}
_odataProperties[i].Value = odataValue;
}
return(new ODataResource
{
TypeName = _typeName,
Properties = _odataProperties
});
}
private OeEntryFactory CreateEntryFactoryFromTuple(OeEntryFactory parentEntryFactory)
{
OePropertyAccessor[] accessors = _allAccessors;
if (IsTuple)
{
accessors = new OePropertyAccessor[_allAccessors.Length];
OePropertyAccessor[] propertyAccessors = OePropertyAccessor.CreateFromType(ClrEntityType, EntitySet);
for (int i = 0; i < accessors.Length; i++)
{
OePropertyAccessor accessor = Array.Find(propertyAccessors, pa => pa.EdmProperty == _allAccessors[i].EdmProperty);
if (Array.IndexOf(Accessors, _allAccessors[i]) == -1)
{
var convertExpression = (UnaryExpression)accessor.PropertyExpression.Expression;
var parameterExpression = (ParameterExpression)convertExpression.Operand;
accessor = OePropertyAccessor.CreatePropertyAccessor(accessor.EdmProperty, accessor.PropertyExpression, parameterExpression, true);
}
accessors[i] = accessor;
}
}
var navigationLinks = new OeEntryFactory[NavigationLinks.Count];
for (int i = 0; i < NavigationLinks.Count; i++)
{
navigationLinks[i] = NavigationLinks[i].CreateEntryFactoryFromTuple(this);
}
if (parentEntryFactory == null)
{
return(OeEntryFactory.CreateEntryFactoryParent(ClrEntityType, EntitySet, accessors, navigationLinks, null));
}
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression typedParameter = Expression.Convert(parameter, parentEntryFactory.ClrEntityType);
MemberExpression navigationPropertyExpression = Expression.Property(typedParameter, ResourceInfo.Name);
LambdaExpression linkAccessor = Expression.Lambda(navigationPropertyExpression, parameter);
return(OeEntryFactory.CreateEntryFactoryNested(ClrEntityType, EntitySet, accessors, navigationLinks, linkAccessor, ResourceInfo));
}
public static OePropertyAccessor[] GetAccessors(Expression source, OrderByClause orderByClause)
{
var accessors = new List <OePropertyAccessor>();
var tupleProperty = new OePropertyTranslator(source);
Type itemType = OeExpressionHelper.GetCollectionItemType(source.Type);
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, itemType);
while (orderByClause != null)
{
var propertyNode = (SingleValuePropertyAccessNode)orderByClause.Expression;
MemberExpression propertyExpression = tupleProperty.Build(instance, propertyNode.Property);
if (propertyExpression == null)
{
throw new InvalidOperationException("order by property " + propertyNode.Property.Name + "not found");
}
accessors.Add(OePropertyAccessor.CreatePropertyAccessor(propertyNode.Property, propertyExpression, parameter));
orderByClause = orderByClause.ThenBy;
}
return(accessors.ToArray());
}
