public void EdmModel_NameIsTooLong_not_triggered_for_row_and_collection_types()
{
var intType = PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32);
var properties = new EdmProperty[100];
for (int i = 0; i < 100; i++)
{
properties[i] = EdmProperty.Primitive("Property" + i, intType);
}
var rowType = new RowType(properties);
foreach (var type in new EdmType[] { rowType, rowType.GetCollectionType() })
{
var validationContext
= new EdmModelValidationContext(new EdmModel(DataSpace.SSpace), true);
DataModelErrorEventArgs errorEventArgs = null;
validationContext.OnError += (_, e) => errorEventArgs = e;
EdmModelSyntacticValidationRules
.EdmModel_NameIsTooLong
.Evaluate(validationContext, type);
Assert.Null(errorEventArgs);
}
}
public void EdmModel_NameIsTooLong_not_triggered_for_row_and_collection_types()
{
var intType = PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32);
var properties = new EdmProperty[100];
for (int i = 0; i < 100; i++)
{
properties[i] = EdmProperty.CreatePrimitive("Property" + i, intType);
}
var rowType = new RowType(properties);
foreach (var type in new EdmType[] { rowType, rowType.GetCollectionType() })
{
var validationContext
= new EdmModelValidationContext(new EdmModel(DataSpace.SSpace), true);
DataModelErrorEventArgs errorEventArgs = null;
validationContext.OnError += (_, e) => errorEventArgs = e;
EdmModelSyntacticValidationRules
.EdmModel_NameIsTooLong
.Evaluate(validationContext, type);
Assert.Null(errorEventArgs);
}
}
public void WriteFunctionImportMappingElement_does_not_write_result_mapping_when_result_mapped_to_primitive_type()
{
var typeUsage =
TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32));
var functionImport =
new EdmFunction(
"f_c", "Ns", DataSpace.CSpace,
new EdmFunctionPayload
{
IsComposable = true,
IsFunctionImport = true,
ReturnParameters =
new[]
{
new FunctionParameter(
"ReturnValue",
TypeUsage.CreateDefaultTypeUsage(typeUsage.EdmType.GetCollectionType()),
ParameterMode.ReturnValue)
},
});
var rowTypeProperty =
new EdmProperty("RTProperty1", ProviderRegistry.Sql2008_ProviderManifest.GetStoreType(typeUsage));
var rowType = new RowType(new[] { rowTypeProperty });
var storeFunction =
new EdmFunction(
"f_s", "Ns.Store", DataSpace.SSpace,
new EdmFunctionPayload
{
ReturnParameters =
new[]
{
new FunctionParameter(
"Return",
TypeUsage.CreateDefaultTypeUsage(rowType.GetCollectionType()),
ParameterMode.ReturnValue)
},
});
var functionImportMapping = new FunctionImportMappingComposable(
functionImport,
storeFunction,
new FunctionImportResultMapping(),
new EntityContainerMapping(new EntityContainer("C", DataSpace.SSpace)));
var fixture = new Fixture();
fixture.Writer.WriteFunctionImportMappingElement(functionImportMapping);
Assert.Equal(
@"<FunctionImportMapping FunctionName=""Ns.Store.f_s"" FunctionImportName=""f_c"" />",
fixture.ToString());
}
public void EdmModel_NameIsNotAllowed_not_triggered_for_row_and_collection_types()
{
var rowType =
new RowType(new[] { EdmProperty.Primitive("Property", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32)) });
foreach (var type in new EdmType[] { rowType, rowType.GetCollectionType() })
{
var validationContext
= new EdmModelValidationContext(new EdmModel(DataSpace.SSpace), true);
DataModelErrorEventArgs errorEventArgs = null;
validationContext.OnError += (_, e) => errorEventArgs = e;
EdmModelSyntacticValidationRules
.EdmModel_NameIsNotAllowed
.Evaluate(validationContext, type);
Assert.Null(errorEventArgs);
}
}
public void EdmModel_NameIsNotAllowed_not_triggered_for_row_and_collection_types()
{
var rowType =
new RowType(new[] { EdmProperty.CreatePrimitive("Property", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32)) });
foreach (var type in new EdmType[] { rowType, rowType.GetCollectionType() })
{
var validationContext
= new EdmModelValidationContext(new EdmModel(DataSpace.SSpace), true);
DataModelErrorEventArgs errorEventArgs = null;
validationContext.OnError += (_, e) => errorEventArgs = e;
EdmModelSyntacticValidationRules
.EdmModel_NameIsNotAllowed
.Evaluate(validationContext, type);
Assert.Null(errorEventArgs);
}
}
public void WriteFunctionImportMappingElement_does_not_write_result_mapping_when_result_mapped_to_primitive_type()
{
var typeUsage =
TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32));
var functionImport =
new EdmFunction(
"f_c", "Ns", DataSpace.CSpace,
new EdmFunctionPayload
{
IsComposable = true,
IsFunctionImport = true,
ReturnParameters =
new[]
{
new FunctionParameter(
"ReturnValue",
TypeUsage.CreateDefaultTypeUsage(typeUsage.EdmType.GetCollectionType()),
ParameterMode.ReturnValue)
},
});
var rowTypeProperty =
new EdmProperty("RTProperty1", ProviderRegistry.Sql2008_ProviderManifest.GetStoreType(typeUsage));
var rowType = new RowType(new[] { rowTypeProperty });
var storeFunction =
new EdmFunction(
"f_s", "Ns.Store", DataSpace.SSpace,
new EdmFunctionPayload
{
ReturnParameters =
new[]
{
new FunctionParameter(
"Return",
TypeUsage.CreateDefaultTypeUsage(rowType.GetCollectionType()),
ParameterMode.ReturnValue)
},
});
var functionImportMapping = new FunctionImportMappingComposable(
functionImport,
storeFunction,
new FunctionImportResultMapping(),
new EntityContainerMapping(new EntityContainer("C", DataSpace.SSpace)));
var fixture = new Fixture();
fixture.Writer.WriteFunctionImportMappingElement(functionImportMapping);
Assert.Equal(
@"<FunctionImportMapping FunctionName=""Ns.Store.f_s"" FunctionImportName=""f_c"" />",
fixture.ToString());
}
internal virtual CollectionColumnMap CreateColumnMapFromReaderAndClrType(
DbDataReader reader, Type type, MetadataWorkspace workspace)
{
DebugCheck.NotNull(reader);
DebugCheck.NotNull(type);
DebugCheck.NotNull(workspace);
// we require a default constructor
var constructor = type.GetConstructor(
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
null, Type.EmptyTypes, null);
if (type.IsAbstract
|| (null == constructor && !type.IsValueType))
{
throw new InvalidOperationException(Strings.ObjectContext_InvalidTypeForStoreQuery(type));
}
// build a LINQ expression used by result assembly to create results
var memberInfo = new List<Tuple<MemberAssignment, int, EdmProperty>>();
foreach (var prop in type.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Select(p => p.GetPropertyInfoForSet()))
{
// for enums unwrap the type if nullable
var propertyUnderlyingType = Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType;
var propType = propertyUnderlyingType.IsEnum ? propertyUnderlyingType.GetEnumUnderlyingType() : prop.PropertyType;
EdmType modelType;
int ordinal;
if (TryGetColumnOrdinalFromReader(reader, prop.Name, out ordinal)
&& workspace.TryDetermineCSpaceModelType(propType, out modelType)
&& (Helper.IsScalarType(modelType))
&& prop.CanWriteExtended()
&& prop.GetIndexParameters().Length == 0
&& null != prop.GetSetMethod(nonPublic: true))
{
memberInfo.Add(
Tuple.Create(
Expression.Bind(prop, Expression.Parameter(prop.PropertyType, "placeholder")),
ordinal,
new EdmProperty(prop.Name, TypeUsage.Create(modelType))));
}
}
// initialize members in the order in which they appear in the reader
var members = new MemberInfo[memberInfo.Count];
var memberBindings = new MemberBinding[memberInfo.Count];
var propertyMaps = new ColumnMap[memberInfo.Count];
var modelProperties = new EdmProperty[memberInfo.Count];
var i = 0;
foreach (var memberGroup in memberInfo.GroupBy(tuple => tuple.Item2).OrderBy(tuple => tuple.Key))
{
// make sure that a single column isn't contributing to multiple properties
if (memberGroup.Count() != 1)
{
throw new InvalidOperationException(
Strings.ObjectContext_TwoPropertiesMappedToSameColumn(
reader.GetName(memberGroup.Key),
String.Join(", ", memberGroup.Select(tuple => tuple.Item3.Name).ToArray())));
}
var member = memberGroup.Single();
var assignment = member.Item1;
var ordinal = member.Item2;
var modelProp = member.Item3;
members[i] = assignment.Member;
memberBindings[i] = assignment;
propertyMaps[i] = new ScalarColumnMap(modelProp.TypeUsage, modelProp.Name, 0, ordinal);
modelProperties[i] = modelProp;
i++;
}
var newExpr = null == constructor ? Expression.New(type) : Expression.New(constructor);
var init = Expression.MemberInit(newExpr, memberBindings);
var initMetadata = InitializerMetadata.CreateProjectionInitializer(
(EdmItemCollection)workspace.GetItemCollection(DataSpace.CSpace), init);
// column map (a collection of rows with InitializerMetadata markup)
var rowType = new RowType(modelProperties, initMetadata);
var rowMap = new RecordColumnMap(
TypeUsage.Create(rowType),
"DefaultTypeProjection", propertyMaps, null);
CollectionColumnMap collectionMap = new SimpleCollectionColumnMap(
rowType.GetCollectionType().TypeUsage,
rowType.Name, rowMap, null, null);
return collectionMap;
}
