private XDocument generateDefaultRevisionInfoXmlMapping()
{
var document = new XDocument();
var classMapping = MetadataTools.CreateEntity(document,
new AuditTableData(null, null, _globalCfg.DefaultSchemaName, _globalCfg.DefaultCatalogName),
null, false);
classMapping.Add(new XAttribute("name", revisionInfoEntityName), new XAttribute("table", "REVINFO"));
MetadataTools.AddNativelyGeneratedId(classMapping, revisionInfoIdData.Name, revisionPropType);
var timestampProperty = MetadataTools.AddProperty(classMapping, revisionInfoTimestampData.Name, revisionInfoTimestampType.Name, true, false, null);
MetadataTools.AddColumn(timestampProperty, "REVTSTMP", -1, -1, -1, null, false);
if (_globalCfg.IsTrackEntitiesChangedInRevisionEnabled)
{
generateEntityNamesTrackingTableMapping(classMapping, "ModifiedEntityNames",
_globalCfg.DefaultSchemaName, _globalCfg.DefaultCatalogName,
"REVCHANGES", "REV",
"ENTITYNAME", "string");
}
return(document);
}
private XmlDocument generateDefaultRevisionInfoXmlMapping()
{
XmlDocument document = new XmlDocument();//ORIG: DocumentHelper.createDocument();
XmlElement class_mapping = MetadataTools.CreateEntity(document, new AuditTableData(null, null, null, null), null);
class_mapping.SetAttribute("name", revisionInfoEntityName);
class_mapping.SetAttribute("table", "REVINFO");
XmlElement idProperty = MetadataTools.AddNativelyGeneratedId(document, class_mapping, revisionInfoIdData.Name,
revisionPropType);
//ORIG: MetadataTools.addColumn(idProperty, "REV", -1, 0, 0, null);
XmlElement col = idProperty.OwnerDocument.CreateElement("column");
col.SetAttribute("name", "REV");
//idProperty should have a "generator" node otherwise sth. is wrong.
idProperty.InsertBefore(col, idProperty.GetElementsByTagName("generator")[0]);
XmlElement timestampProperty = MetadataTools.AddProperty(class_mapping, revisionInfoTimestampData.Name,
revisionInfoTimestampType.Name, true, false);
MetadataTools.AddColumn(timestampProperty, "REVTSTMP", -1, 0, 0, SqlTypeFactory.DateTime.ToString());
return(document);
}
/*
* private async void LoadDatasets()
* {
* await Task.Run(() =>
* {
* PbiMetadataTreeBinding.PbiDatasets = new BindableCollection<Dataset>(
* from g in PowerBI_Tools.GetDatasets()
* orderby g.Name
* select g
* );
*
* // PbiMetadataBinding.PbiDatasets = PbiMetadataTreeBinding.PbiDatasets;
* });
* }
*/
private async void Logout_Click(object sender, RoutedEventArgs e)
{
await Authentication.LogoutAAD();
AccessToken = null;
PowerBI_Tools = null;
this.Logout.Visibility = Visibility.Hidden;
this.Login.Content = "Sign in";
this.Login.IsEnabled = true;
}
public CodeGenerationToolsForK2(object textTransformation)
{
if (textTransformation == null)
{
throw new ArgumentNullException("textTransformation");
}
_textTransformation = DynamicTextTransformation.Create(textTransformation);
_code = new CSharpCodeProvider();
_ef = new MetadataTools(_textTransformation);
}
/// <summary>
/// Initializes a new CodeGenerationTools object with the TextTransformation (T4 generated class)
/// that is currently running
/// </summary>
public CodeGenerationTools(object textTransformation)
{
if(textTransformation == null)
throw new ArgumentNullException("textTransformation");
_textTransformation = DynamicTextTransformation.Create(textTransformation);
_code = new CSharpCodeProvider();
_ef = new MetadataTools(_textTransformation);
FullyQualifySystemTypes = false;
CamelCaseFields = true;
}
private XElement generateRevisionInfoRelationMapping(string revisionAssQName)
{
var revRelMapping = new XElement(MetadataTools.CreateElementName("key-many-to-one"),
new XAttribute("class", revisionAssQName));
if (revisionPropSqlType != null)
{
// Putting a fake name to make Hibernate happy. It will be replaced later anyway.
MetadataTools.AddColumn(revRelMapping, "*", -1, -1, -1, revisionPropSqlType, false);
}
return(revRelMapping);
}
/// <summary>
/// Creates a set of FunctionImportParameter objects from the parameters passed in.
/// </summary>
public static IEnumerable<FunctionImportParameter> Create(IEnumerable<FunctionParameter> parameters, CodeGenerationTools code, MetadataTools ef)
{
if(parameters == null)
throw new ArgumentNullException("parameters");
if(code == null)
throw new ArgumentNullException("code");
if(ef == null)
throw new ArgumentNullException("ef");
var unique = new UniqueIdentifierService();
var importParameters = new List<FunctionImportParameter>();
foreach(var parameter in parameters)
{
var importParameter = new FunctionImportParameter();
importParameter.Source = parameter;
importParameter.RawFunctionParameterName = unique.AdjustIdentifier(code.CamelCase(parameter.Name));
importParameter.FunctionParameterName = code.Escape(importParameter.RawFunctionParameterName);
if(parameter.Mode == ParameterMode.In)
{
importParameter.NeedsLocalVariable = true;
importParameter.FunctionParameterType = code.Escape(parameter.TypeUsage);
importParameter.EsqlParameterName = parameter.Name;
var clrType = ef.ClrType(parameter.TypeUsage);
importParameter.RawClrTypeName = code.Escape(clrType);
importParameter.IsNullableOfT = clrType.IsValueType;
}
else
{
importParameter.NeedsLocalVariable = false;
importParameter.FunctionParameterType = "ObjectParameter";
importParameter.ExecuteParameterName = importParameter.FunctionParameterName;
}
importParameters.Add(importParameter);
}
// we save the local parameter uniquification for a second pass to make the visible parameters
// as pretty and sensible as possible
for(var i = 0; i < importParameters.Count; i++)
{
var importParameter = importParameters[i];
if(importParameter.NeedsLocalVariable)
{
importParameter.LocalVariableName = unique.AdjustIdentifier(importParameter.RawFunctionParameterName + "Parameter");
importParameter.ExecuteParameterName = importParameter.LocalVariableName;
}
}
return importParameters;
}
/// <summary>
/// Adds a <![CDATA[<many-to-one>]]> mapping to the revision entity as an endrevision.
/// Also, if <see cref="AuditEntitiesConfiguration.IsRevisionEndTimestampEnabled"/> set, adds a timestamp when the revision is no longer valid.
/// </summary>
public void AddExtraRevisionMapping(XElement classMapping, XElement revisionInfoRelationMapping)
{
var verEntCfg = _auditConfiguration.AuditEntCfg;
var manyToOne = MetadataTools.AddManyToOne(classMapping, verEntCfg.RevisionEndFieldName, verEntCfg.RevisionInfoEntityAssemblyQualifiedName, true, true);
manyToOne.Add(revisionInfoRelationMapping.Elements());
MetadataTools.AddOrModifyColumn(manyToOne, verEntCfg.RevisionEndFieldName);
if (verEntCfg.IsRevisionEndTimestampEnabled)
{
const string revisionInfoTimestampSqlType = "Timestamp";
MetadataTools.AddProperty(classMapping, verEntCfg.RevisionEndTimestampFieldName, revisionInfoTimestampSqlType, true, true, false, null);
}
}
private async void Login_Click(object sender, RoutedEventArgs e)
{
var result = await Authentication.LoginAAD();
if (result != null)
{
AccessToken = result.AccessToken;
PowerBI_Tools = new MetadataTools(AccessToken);
this.Logout.Visibility = Visibility.Visible;
this.Login.Content = result.Account.Username;
this.Login.IsEnabled = false;
LoadGroups(PreloadDatasets.IsChecked.Value);
// LoadDatasets(); // load all datasets from all groups
}
}
private XmlElement generateRevisionInfoRelationMapping()
{
XmlDocument document = new XmlDocument();
XmlElement rev_rel_mapping = document.CreateElement("key-many-to-one");
rev_rel_mapping.SetAttribute("type", revisionPropType);
rev_rel_mapping.SetAttribute("class", revisionInfoEntityName);
if (revisionPropSqlType != null)
{
// Putting a fake name to make Hibernate happy. It will be replaced later anyway.
MetadataTools.AddColumn(rev_rel_mapping, "*", -1, 0, 0, revisionPropSqlType);
}
return(rev_rel_mapping);
}
private void addBidirectionalInfo(IDictionary <System.Type, IEntityMeta> metas)
{
foreach (var type in metas.Keys)
{
var persistentClass = _nhibernateConfiguration.GetClassMapping(type);
if (persistentClass == null)
{
continue;
}
foreach (var property in persistentClass.PropertyIterator)
{
//is it a collection?
var collectionValue = property.Value as Mapping.Collection;
if (collectionValue == null)
{
continue;
}
//find referenced entity name
var referencedEntity = MappingTools.ReferencedEntityName(property.Value);
if (referencedEntity == null)
{
continue;
}
var refPersistentClass = _nhibernateConfiguration.GetClassMapping(referencedEntity);
foreach (var refProperty in refPersistentClass.PropertyClosureIterator)
{
if (MetadataTools.IsNoneAccess(refProperty.PropertyAccessorName))
{
continue;
}
var attr = createAuditMappedByAttributeIfReferenceImmutable(collectionValue, refProperty);
if (attr == null)
{
continue;
}
mightAddIndexToAttribute(attr, collectionValue, refPersistentClass.PropertyClosureIterator);
var entityMeta = (EntityMeta)metas[type];
var methodInfo = PropertyAndMemberInfo.PersistentInfo(type, new[] { property }).First().Member;
addToEntityMeta(attr, entityMeta, methodInfo);
}
}
}
}
/// <summary>
/// Checks if a property is audited and if yes, fills all of its data.
/// </summary>
/// <param name="property">Property to check.</param>
/// <param name="mappedPropertyName">NH Property name</param>
/// <param name="propertyData">Property data, on which to set this property's modification store.</param>
/// <param name="accessType">Access type for the property.</param>
/// <param name="allClassAudited">Is class fully audited</param>
/// <returns>False if this property is not audited.</returns>
private bool fillPropertyData(MemberInfo property,
string mappedPropertyName,
PropertyAuditingData propertyData,
string accessType,
AuditedAttribute allClassAudited)
{
// check if a property is declared as not audited to exclude it
// useful if a class is audited but some properties should be excluded
if ((_metaDataStore.MemberMeta <NotAuditedAttribute>(property) != null && !_overriddenAuditedProperties.Contains(mappedPropertyName)) ||
_overriddenNotAuditedProperties.Contains(mappedPropertyName))
{
return(false);
}
// if the optimistic locking field has to be unversioned and the current property
// is the optimistic locking field, don't audit it
if (_globalCfg.DoNotAuditOptimisticLockingField &&
_persistentPropertiesSource.VersionedProperty != null &&
_persistentPropertiesSource.VersionedProperty.Name.Equals(mappedPropertyName))
{
return(false);
}
if (!CheckAudited(property, mappedPropertyName, propertyData, allClassAudited))
{
return(false);
}
var propertyName = _propertyNamePrefix + mappedPropertyName;
propertyData.Name = propertyName;
propertyData.ModifiedFlagName = MetadataTools.ModifiedFlagPropertyName(propertyName, _globalCfg.ModifiedFlagSuffix);
propertyData.BeanName = mappedPropertyName;
propertyData.AccessType = accessType;
addPropertyJoinTables(property, propertyData);
addPropertyAuditingOverrides(property, propertyData);
if (!processPropertyAuditingOverrides(property, propertyData))
{
return(false); // not audited due to AuditOverride annotation
}
setPropertyAuditMappedBy(property, propertyData);
setCustomMapper(property, propertyData);
return(true);
}
private static void generateEntityNamesTrackingTableMapping(XElement classMapping, string propertyName,
string joinTableSchema, string joinTableCatalog,
string joinTableName, string joinTablePrimaryKeyColumnName,
string joinTableValueColumnName, string joinTableValueColumnType)
{
var setMapping = new XElement(MetadataTools.CreateElementName("set"),
new XAttribute("name", propertyName),
new XAttribute("table", joinTableName),
new XAttribute("schema", joinTableSchema),
new XAttribute("catalog", joinTableCatalog),
new XAttribute("fetch", "join"),
new XAttribute("lazy", "false"),
new XElement(MetadataTools.CreateElementName("key"),
new XAttribute("column", joinTablePrimaryKeyColumnName)),
new XElement(MetadataTools.CreateElementName("element"),
new XAttribute("type", joinTableValueColumnType),
new XElement(MetadataTools.CreateElementName("column"),
new XAttribute("name", joinTableValueColumnName))));
classMapping.Add(setMapping);
}
public static IEnumerable <DeclaredPersistentProperty> PersistentInfo(System.Type @class, IEnumerable <Property> properties, bool includeEmbedded)
{
// a persistent property can be anything including a noop "property" declared in the mapping
// for query only. In this case I will apply some trick to get the MemberInfo.
var candidateMembers =
@class.GetFields(DefaultBindingFlags).Concat(@class.GetProperties(DefaultBindingFlags).Cast <MemberInfo>()).ToList();
var candidateMembersNames = candidateMembers.Select(m => m.Name).ToList();
foreach (var property in properties)
{
if (includeEmbedded && property.PropertyAccessorName == "embedded")
{
yield return(new DeclaredPersistentProperty(property, DeclaredPersistentProperty.NotAvailableMemberInfo));
}
if (MetadataTools.IsNoneAccess(property.PropertyAccessorName))
{
yield return(new DeclaredPersistentProperty(property, DeclaredPersistentProperty.NotAvailableMemberInfo));
}
var exactMemberIdx = candidateMembersNames.IndexOf(property.Name);
if (exactMemberIdx >= 0)
{
// No metter which is the accessor the audit-attribute should be in the property where available and not
// to the member used to read-write the value. (This method work even for access="field").
yield return(new DeclaredPersistentProperty(property, candidateMembers[exactMemberIdx]));
}
else
{
// try to find the field using field-name-strategy
//
// This part will run for:
// 1) query only property (access="none" or access="noop")
// 2) a strange case where the element <property> is declared with a "field.xyz" but only a field is used in the class. (Only God may know way)
var exactFieldIdx = getMemberIdxByFieldNamingStrategies(candidateMembersNames, property);
if (exactFieldIdx >= 0)
{
yield return(new DeclaredPersistentProperty(property, candidateMembers[exactFieldIdx]));
}
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Entity Frameworks CodeGenerationTools Demo Program.\n");
//I had problems with accessing Dictionary by [] index, so quickly used these
//to check in normal C# usage.
//var tc = new TestCollections();
//tc.TestCollections2();
try
{
//As this program only reads and interprets the XML within the EDMX,
//there is no need for a ConnectionString in the App.Config and
//no connection is made to a database.
//Since this is a test program, let's assume you are executing from .\bin\Debug
var currentdirectory = Environment.CurrentDirectory;
var inputFile = @"..\..\Model1.edmx";
inputFile = Path.Combine(currentdirectory, inputFile);
//Demo 1
//EFFluentUtility is from
//http://visualstudiogallery.msdn.microsoft.com/5d663b99-ed3b-481d-b7bc-b947d2457e3c
//By opening the VSIX (DbContextFluentTemplate_V50, which is a ZIP) I've taken a
//copy of "CSharpDbContextFluent.Mapping.tt" from the ItemTemplate.
//Then copied the supporting classes from the template and
//entered here in the CodeGenerationToolsLibrary project as a .Net Class here.
//I've used the Mapping.tt because it is the most complex,
//and shows how to obtain the Mapping info used to
//create the EntityConfiguration from the EDMX.
//
// See PropertyToColumnMapping and ManyToManyMappings from
// MetadataLoadResult
//
EF5FluentUtility efu = new EF5FluentUtility();
MetadataLoadResult mlr = efu.LoadMetadata(inputFile);
var a = mlr.EdmItems;
var b = mlr.ManyToManyMappings;
var c = mlr.PropertyToColumnMapping;
var d = mlr.TphMappings;
//Obtain the EntityContainer from the ItemsCollection
var container = mlr.EdmItems.GetItems <EntityContainer>()[0];
//Iterate all the EntitySets and Properties
//EntitySet are as in "People", where the EntityType is "Person"
foreach (var entityset in container.BaseEntitySets.OfType <EntitySet>().OrderBy(e => e.Name))
{
var entitysetname = entityset.Name;
var entityname = entityset.ElementType.Name;
var entitytype = entityset.ElementType;
var declaringtype = entityset.ElementType.NavigationProperties[0].DeclaringType;
//Navigation Properties for a particular Entity
var collectionNavigations1 = entityset.ElementType.NavigationProperties.Where(np => np.DeclaringType == entityset.ElementType);
// Find m:m relationshipsto configure for a particular Entity
var manyManyRelationships = entityset.ElementType.NavigationProperties
.Where(np =>
//np.DeclaringType is EntityType &&
np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many &&
np.FromEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many
// Ensures we only configure from one end.
// Convention is to have source on the left, as it would be diagrammatically.
&& np.RelationshipType.RelationshipEndMembers.First() == np.FromEndMember)
.ToArray();
//Now process the M:Ms
foreach (var navProperty in manyManyRelationships)
{
var otherNavProperty = navProperty.ToEndMember.GetEntityType().NavigationProperties.Where(n => n.RelationshipType == navProperty.RelationshipType && n != navProperty).Single();
var association = (AssociationType)navProperty.RelationshipType;
//This did not work in the T4 Template.
var mapping1 = mlr.ManyToManyMappings[association];
var mapping2 = mlr.ManyToManyMappings.Where(m => m.Key.Name == association.Name).FirstOrDefault().Value;
var item1 = mapping1.Item1;
//This did not work in the T4 Template.
var leftKeyMappings1 = mapping1.Item2[navProperty.ToEndMember];
var leftKeyMappings2 = mapping1.Item2.Where(np => np.Key.Name == navProperty.ToEndMember.Name).FirstOrDefault().Value;
// Need to ensure that FKs are declared in the same order as the PK properties on each principal type
var leftType = (EntityType)navProperty.DeclaringType;
var rightType = (EntityType)otherNavProperty.DeclaringType;
//Access using Index [navProperty.FromEndMember] did not work within template.
var leftKeyMappings = mapping1.Item2.Where(np => np.Key.Name == navProperty.FromEndMember.Name).FirstOrDefault().Value; //[navProperty.FromEndMember];
var rightKeyMappings = mapping1.Item2.Where(np => np.Key.Name == otherNavProperty.FromEndMember.Name).FirstOrDefault().Value; //[otherNavProperty.FromEndMember];
var left = leftKeyMappings.Where(km => km.Key.Name == "PersonID");
var right = rightType.KeyMembers.Select(m => "\"" + rightKeyMappings.Where(km => km.Key.Name == m.Name).FirstOrDefault().Value + "\"").FirstOrDefault();
}
//Dual OrderBy to bring Keys to top of list
//Iterate all properties for this particular Entity.
var properties = entityset.ElementType.Properties.OrderBy(s => s.Name).OrderBy(p => entityset.ElementType.KeyMembers.Contains(p) == false).ToArray();
foreach (var property in properties)
{
var propertyname = property.Name;
//This did not work in the T4 Template.
var mapping1 = mlr.PropertyToColumnMapping[entityset.ElementType];
//PropertyToColumnMapping is a collection for ALL Entities, so here the particular Entity needs to be filtered out.
//Mapping returned is a complex generic Dictionary.
var mapping2 = mlr.PropertyToColumnMapping.Where(k => k.Key == entityset.ElementType).FirstOrDefault().Value;
var mapping3 = mlr.PropertyToColumnMapping.Where(k => k.Key.FullName == entityset.ElementType.FullName).FirstOrDefault().Value;
var mapping4 = mapping3.Item2.Where(p => p.Key.Name == property.Name).FirstOrDefault().Value;
var i1 = mapping1.Item1;
var i2 = mapping1.Item2;
var mapright = i2[property];
}
}
//********************************************************************************
//Demo 2
//This takes EF.Utility.CS.ttinclude and receates as
//.net Classes.
//
MyTextTransformation tt = new MyTextTransformation();
CodeGenerationTools code = new CodeGenerationTools(tt);
CodeRegion cregion = new CodeRegion(tt, 1);
MetadataTools mtool = new MetadataTools(tt);
MetadataLoader mloader = new MetadataLoader(tt);
var ItemCollection = mloader.CreateEdmItemCollection(inputFile);
var Container = ItemCollection.GetItems <EntityContainer>()[0];
Console.WriteLine(String.Format("Container Name: {0}", Container.Name));
Console.WriteLine(String.Format("Model Namespace: {0}", mloader.GetModelNamespace(inputFile)));
Console.WriteLine(String.Format("No Of Items in ItemsCollection: {0}\n", ItemCollection.Count));
Console.WriteLine("Press any key to continue.\n"); Console.ReadKey();
foreach (var i in ItemCollection)
{
Console.WriteLine(String.Format("Item: {0}, {1}", i.ToString(), i.BuiltInTypeKind.ToString()));
}
Console.WriteLine("Press any key to continue.\n"); Console.ReadKey();
EdmItemCollection edmItemCollection = null;;
var ret = mloader.TryCreateEdmItemCollection(inputFile, out edmItemCollection);
StoreItemCollection storeItemCollection = null;
ret = mloader.TryCreateStoreItemCollection(inputFile, out storeItemCollection);
StorageMappingItemCollection storageMappingItemCollection = null;
ret = mloader.TryCreateStorageMappingItemCollection(inputFile, edmItemCollection, storeItemCollection, out storageMappingItemCollection);
foreach (var i in storageMappingItemCollection)
{
Console.WriteLine(String.Format("Item: {0}, {1}", i.ToString(), i.BuiltInTypeKind.ToString()));
}
DataSpace ds = storageMappingItemCollection.DataSpace;
MetadataWorkspace metadataWorkspace = null;
ret = mloader.TryLoadAllMetadata(inputFile, out metadataWorkspace);
//Get the schema "dbo" from a particular Entity.
EntityContainer ec = storeItemCollection.GetItems <EntityContainer>().First();
EntitySet eset = ec.GetEntitySetByName(code.Escape("People"), true);
string schemaName1 = eset.MetadataProperties["Schema"].Value.ToString();
//Get the schema "dbo" from any Entity. I guess the schema will be same for all?!
EntitySetBase fes = ec.BaseEntitySets.FirstOrDefault();
string schemaName2 = fes.MetadataProperties["Schema"].Value.ToString();
var edmxSchema = EDMXchema.GetSchemaElement(inputFile);
Console.WriteLine("Press any key to continue.\n"); Console.ReadKey();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("Press any key to quit.");
Console.ReadKey();
// var loadResult = LoadMetadata(inputFile);
}
public string Get(AuditConfiguration auditCfg)
{
return(MetadataTools.ModifiedFlagPropertyName(_propertyNameGetter.Get(auditCfg), auditCfg.GlobalCfg.ModifiedFlagSuffix));
}
