/// <summary>
/// Returns all store entitysets mapped to the specified conceptual model entity type
/// </summary>
/// <param name="modelEntityType">A conceptual model entity type</param>
/// <returns>An enumeration of the store entitysets mapped to the specified conceptual model entity type</returns>
public IEnumerable <StoreEntitySet> StoreEntitySetsFor(ModelEntityType modelEntityType)
{
XmlElement entityTypeMapping = (XmlElement)_esmElement.SelectSingleNode("map:EntityTypeMapping[@TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.FullName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.FullName + ")") + " or @TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.AliasName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.AliasName + ")") + "]", NSM);
if (entityTypeMapping != null)
{
foreach (XmlElement mappingFragment in entityTypeMapping.SelectNodes("map:MappingFragment", NSM))
{
string storeEntitySetName = mappingFragment.GetAttribute("StoreEntitySet");
StoreEntitySet storeEntitySet = StoreEntitySets.FirstOrDefault(ses => ses.Name.Equals(storeEntitySetName, StringComparison.InvariantCultureIgnoreCase));
if (storeEntitySet != null)
{
yield return(storeEntitySet);
}
}
}
}
/// <summary>
/// Adds a new entity type mapping to this entity set mapping. Used for adding inherited sub-types to an entity set mapping
/// </summary>
/// <param name="modelEntityType">Conceptual model entity type to add to the mapping</param>
/// <param name="storeEntityType">Store entity type mapped to the conceptual model entity type</param>
public void AddEntityTypeMapping(ModelEntityType modelEntityType, StoreEntityType storeEntityType)
{
string storeEntitySetName = storeEntityType.EntitySet.Name;
//get hold of the type mapping
XmlElement entityTypeMapping = (XmlElement)_esmElement.SelectSingleNode("map:EntityTypeMapping[@TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.FullName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.FullName + ")") + " or @TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.AliasName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.AliasName + ")") + "]", NSM);
if (entityTypeMapping == null)
{
//not found - create
entityTypeMapping = EDMXDocument.CreateElement("EntityTypeMapping", NameSpaceURImap);
_esmElement.AppendChild(entityTypeMapping);
if ((modelEntityType.HasBaseType || modelEntityType.HasSubTypes) &&
this.ModelEntitySet.InheritanceStrategy != EDMXInheritanceStrategyEnum.TPC)
{
entityTypeMapping.SetAttribute("TypeName", "IsTypeOf(" + modelEntityType.FullName + ")");
}
else
{
entityTypeMapping.SetAttribute("TypeName", modelEntityType.FullName);
}
}
XmlElement mappingFragment = (XmlElement)entityTypeMapping.SelectSingleNode("map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM);
if (mappingFragment == null)
{
mappingFragment = EDMXDocument.CreateElement("MappingFragment", NameSpaceURImap);
entityTypeMapping.AppendChild(mappingFragment);
mappingFragment.SetAttribute("StoreEntitySet", storeEntitySetName);
if (_storeEntitySetsEnumerated == true)
{
StoreEntitySet storeEntitySet = _csMapping.ParentFile.StorageModel.EntitySets.FirstOrDefault(es => es.Name == storeEntitySetName);
if (storeEntitySet != null)
{
storeEntitySet.Removed += new EventHandler(storeEntitySet_Removed);
_storeEntitySets.Add(storeEntitySet);
}
}
}
}
/// <summary>
/// Returns the entity type mapped to the specified store entity set
/// </summary>
/// <param name="storeEntitySet">A store entityset that is mapped with this EntitySetMapping</param>
/// <returns>An entity type object for the entity type mapped to the specified store entityset</returns>
public ModelEntityType EntityTypeFor(StoreEntitySet storeEntitySet)
{
string storeEntitySetName = storeEntitySet.Name;
XmlElement mappingFragment = (XmlElement)_esmElement.SelectSingleNode("map:EntityTypeMapping/map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM);
if (mappingFragment != null)
{
string entityTypeName = EDMXUtils.StripTypeOf(((XmlElement)mappingFragment.ParentNode).GetAttribute("TypeName"));
ModelEntityType entityType = ParentFile.ConceptualModel.EntityTypes.FirstOrDefault(et => et.FullName == entityTypeName || et.AliasName == entityTypeName);
return(entityType);
}
else
{
return(null);
}
}
/// <summary>
/// Adds a complex type mapping
/// </summary>
/// <param name="complexTypeReference">Model member property referencing the complex type property</param>
/// <param name="memberProperty">Model member property</param>
/// <param name="storeMemberProperty">Store member property</param>
public void AddComplexMapping(ModelMemberProperty complexTypeReference, ModelMemberProperty memberProperty, StoreMemberProperty storeMemberProperty)
{
//find the appropriate mapping fragment
string storeEntitySetName = storeMemberProperty.EntityType.EntitySet.Name;
foreach (XmlElement mappingFragment in _esmElement.SelectNodes("map:EntityTypeMapping/map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM))
{
if (mappingFragment != null)
{
XmlElement complexProperty = (XmlElement)mappingFragment.SelectSingleNode("map:ComplexProperty[@Name=" + XmlHelpers.XPathLiteral(complexTypeReference.Name) + "]", NSM);
if (complexProperty == null)
{
complexProperty = EDMXDocument.CreateElement("ComplexProperty", NameSpaceURImap);
complexProperty.SetAttribute("Name", complexTypeReference.Name);
complexProperty.SetAttribute("TypeName", complexTypeReference.TypeName);
mappingFragment.AppendChild(complexProperty);
}
string entityTypeName = EDMXUtils.StripTypeOf(((XmlElement)mappingFragment.ParentNode).GetAttribute("TypeName"));
ModelEntityType entityType = ParentFile.ConceptualModel.EntityTypes.FirstOrDefault(et => et.FullName == entityTypeName || et.AliasName == entityTypeName);
XmlElement scalarProperty = EDMXDocument.CreateElement("ScalarProperty", NameSpaceURImap);
scalarProperty.SetAttribute("Name", memberProperty.Name);
scalarProperty.SetAttribute("ColumnName", storeMemberProperty.Name);
complexProperty.AppendChild(scalarProperty);
_memberMappings.Add(new Tuple <StoreMemberProperty, ModelMemberProperty, ModelEntityType>(storeMemberProperty, memberProperty, entityType));
storeMemberProperty.Removed += new EventHandler(smp_Removed);
memberProperty.Removed += new EventHandler(mmp_Removed);
}
else
{
throw new ArgumentException("The store entity set " + storeEntitySetName + " is not associated with the model entity set " + this.ModelEntitySet.Name);
}
}
}
/// <summary>
/// Removes all scalar member mappings for a specific conceptual model member.
/// </summary>
/// <param name="modelMemberProperty">Conceptual model member to remove mappings for.</param>
public void RemoveMemberMapping(ModelMemberProperty modelMemberProperty)
{
_memberMappings.RemoveAll(mm => mm.Item2 == modelMemberProperty);
foreach (XmlElement scalarProperty in _esmElement.SelectNodes("map:EntityTypeMapping/map:MappingFragment//map:ScalarProperty[@Name=" + XmlHelpers.XPathLiteral(modelMemberProperty.Name) + "]", NSM))
{
XmlNode parentNode = scalarProperty.ParentNode;
if (parentNode != null)
{
parentNode.RemoveChild(scalarProperty);
//if this was the last child node, remove the wrapper
if (!parentNode.HasChildNodes)
{
parentNode.ParentNode.RemoveChild(parentNode);
}
}
}
}
/// <summary>
/// Removes all scalar member mappings for a specific storage model member.
/// </summary>
/// <param name="storeMemberProperty">Storage model member to remove mappings for.</param>
public void RemoveMemberMapping(StoreMemberProperty storeMemberProperty)
{
_memberMappings.RemoveAll(mm => mm.Item1 == storeMemberProperty);
string storeEntitySetName = storeMemberProperty.EntityType.EntitySet.Name;
XmlElement mappingFragment = (XmlElement)_esmElement.SelectSingleNode("map:EntityTypeMapping/map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM);
if (mappingFragment != null)
{
XmlElement scalarProperty = (XmlElement)mappingFragment.SelectSingleNode(".//map:ScalarProperty[@ColumnName=" + XmlHelpers.XPathLiteral(storeMemberProperty.Name) + "]", NSM);
if (scalarProperty != null)
{
XmlNode parentNode = scalarProperty.ParentNode;
if (parentNode != null)
{
parentNode.RemoveChild(scalarProperty);
//if this was the last child node, remove the wrapper
if (!parentNode.HasChildNodes)
{
parentNode.ParentNode.RemoveChild(parentNode);
}
}
}
}
}
internal void UpdateKeyName(ModelEntityType entityType, ModelMemberProperty memberProperty, string oldName, string newName)
{
try
{
if (entityType == FromEntitySet.EntityType)
{
foreach (XmlElement key in _associationElement.SelectNodes("edm:ReferentialConstraint/edm:Dependent/edm:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(oldName) + "]", NSM))
{
key.SetAttribute("Name", newName);
}
}
else if (entityType == ToEntitySet.EntityType)
{
foreach (XmlElement key in _associationElement.SelectNodes("edm:ReferentialConstraint/edm:Principal/edm:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(oldName) + "]", NSM))
{
key.SetAttribute("Name", newName);
}
}
else
{
throw new ArgumentException("The entity type " + entityType.Name + " does not participate in the association " + this.Name);
}
}
catch (Exception ex)
{
try
{
ExceptionTools.AddExceptionData(ex, this);
}
catch { }
throw;
}
}
/// <summary>
/// Adds a member mapping from a conceptual model scalar member to a storage model scalar member, with a entity type specified
/// </summary>
/// <param name="modelMemberProperty">Conceptual model scalar member to map</param>
/// <param name="storeMemberProperty">Storage model scalar member to map to</param>
/// <param name="modelEntityType">Model entity type to specify in the EntityTypeMapping for this member mapping.</param>
public void AddMemberMapping(ModelMemberProperty modelMemberProperty, StoreMemberProperty storeMemberProperty, ModelEntityType modelEntityType)
{
if (modelEntityType != _modelEntitySet.EntityType && !modelEntityType.IsSubtypeOf(_modelEntitySet.EntityType))
{
throw new ArgumentException("The model member does not belong to the mapped entity type or a subclass of the mapped entity type.");
}
if (storeMemberProperty.EntityType.EntitySet != null)
{
//find the appropriate mapping fragment
string storeEntitySetName = storeMemberProperty.EntityType.EntitySet.Name;
//get hold of the type mapping
XmlElement entityTypeMapping = (XmlElement)_esmElement.SelectSingleNode("map:EntityTypeMapping[@TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.FullName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.FullName + ")") + " or @TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.AliasName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.AliasName + ")") + "]", NSM);
if (entityTypeMapping == null)
{
//not found - create
entityTypeMapping = EDMXDocument.CreateElement("EntityTypeMapping", NameSpaceURImap);
_esmElement.AppendChild(entityTypeMapping);
entityTypeMapping.SetAttribute("TypeName", modelEntityType.FullName);
}
XmlElement mappingFragment = (XmlElement)entityTypeMapping.SelectSingleNode("map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM);
if (mappingFragment == null)
{
mappingFragment = EDMXDocument.CreateElement("MappingFragment", NameSpaceURImap);
entityTypeMapping.AppendChild(mappingFragment);
mappingFragment.SetAttribute("StoreEntitySet", storeEntitySetName);
if (_storeEntitySetsEnumerated == true)
{
StoreEntitySet storeEntitySet = _csMapping.ParentFile.StorageModel.EntitySets.FirstOrDefault(es => es.Name.Equals(storeEntitySetName, StringComparison.InvariantCultureIgnoreCase));
if (storeEntitySet != null)
{
storeEntitySet.Removed += new EventHandler(storeEntitySet_Removed);
_storeEntitySets.Add(storeEntitySet);
}
}
}
if (mappingFragment != null)
{
if (mappingFragment.SelectSingleNode("map:ScalarProperty[@Name=" + XmlHelpers.XPathLiteral(modelMemberProperty.Name) + "][@ColumnName=" + XmlHelpers.XPathLiteral(storeMemberProperty.Name) + "]", NSM) == null)
{
XmlElement scalarProperty = EDMXDocument.CreateElement("ScalarProperty", NameSpaceURImap);
scalarProperty.SetAttribute("Name", modelMemberProperty.Name);
scalarProperty.SetAttribute("ColumnName", storeMemberProperty.Name);
mappingFragment.AppendChild(scalarProperty);
_memberMappings.Add(new Tuple <StoreMemberProperty, ModelMemberProperty, ModelEntityType>(storeMemberProperty, modelMemberProperty, modelEntityType));
storeMemberProperty.Removed += new EventHandler(smp_Removed);
modelMemberProperty.Removed += new EventHandler(mmp_Removed);
storeMemberProperty.CSMappingsUpdated();
modelMemberProperty.CSMappingsUpdated();
}
else
{
System.Diagnostics.Debug.Assert(false);
}
}
else
{
throw new ArgumentException("The store entity set " + storeEntitySetName + " is not associated with the model entity set " + this.ModelEntitySet.Name);
}
}
else
{
throw new InvalidOperationException("The store entity type " + (storeMemberProperty.EntityType != null ? storeMemberProperty.EntityType.Name : "[unknown]") + " is not associated with an entity set.");
}
}
internal ModelAssociationSet(EDMXFile parentFile, ConceptualModel conceptualModel, XmlElement associationSetElement)
: base(parentFile)
{
_conceptualModel = conceptualModel;
_associationSetElement = associationSetElement;
string associationName = _associationSetElement.GetAttribute("Association");
if (!string.IsNullOrEmpty(associationName))
{
if (_associationSetElement.ParentNode != null && _associationSetElement.ParentNode.ParentNode != null)
{
XmlElement schemaElement = (XmlElement)_associationSetElement.ParentNode.ParentNode;
string schemaNamespace = schemaElement.GetAttribute("Namespace");
string schemaAlias = schemaElement.GetAttribute("Alias");
if (!string.IsNullOrEmpty(schemaNamespace) && associationName.StartsWith(schemaNamespace))
{
associationName = associationName.Substring(schemaNamespace.Length + 1);
}
else if (!string.IsNullOrEmpty(schemaAlias) && associationName.StartsWith(schemaAlias))
{
associationName = associationName.Substring(schemaAlias.Length + 1);
}
_associationElement = (XmlElement)_associationSetElement.ParentNode.ParentNode.SelectSingleNode("edm:Association[@Name=" + XmlHelpers.XPathLiteral(associationName) + "]", NSM);
}
}
if (_associationElement == null)
{
throw new InvalidModelObjectException("The ModelAssociationSet " + (associationName ?? "[unknown]") + " has no corresponding association element.");
}
}
/// <summary>
/// Removes a key pair from the association
/// </summary>
/// <param name="key">A tuple containing the dependent and principal key member to remove</param>
public void RemoveKey(Tuple <ModelMemberProperty, ModelMemberProperty> key)
{
try
{
if (_keys.Contains(key))
{
_keys.Remove(key);
}
XmlElement fromKeyElement = (XmlElement)_associationElement.SelectSingleNode("edm:ReferentialConstraint/edm:Dependent/edm:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(key.Item1.Name) + "]", NSM);
if (fromKeyElement != null)
{
if (fromKeyElement.ParentNode != null)
{
if (fromKeyElement.ParentNode != null)
{
fromKeyElement.ParentNode.RemoveChild(fromKeyElement);
}
}
}
XmlElement toKeyElement = (XmlElement)_associationElement.SelectSingleNode("edm:ReferentialConstraint/edm:Principal/edm:PropertyRef", NSM);
if (toKeyElement != null)
{
if (toKeyElement.ParentNode != null)
{
if (toKeyElement.ParentNode != null)
{
toKeyElement.ParentNode.RemoveChild(toKeyElement);
}
}
}
}
catch (Exception ex)
{
try
{
ExceptionTools.AddExceptionData(ex, this);
}
catch { }
throw;
}
}
internal MappingCondition(EDMXFile parentFile, EntitySetMapping entitySetMapping, XmlElement entitySetMappingElement, ModelEntityType modelEntityType, StoreMemberProperty discriminatorColumn, string discriminatorValue)
: base(parentFile)
{
_entitySetMapping = entitySetMapping;
_modelEntityType = modelEntityType;
_discriminatorColumn = discriminatorColumn;
string storeEntitySetName = discriminatorColumn.EntityType.EntitySet.Name;
//get hold of the type mapping
_entityTypeMapping = (XmlElement)entitySetMappingElement.SelectSingleNode("map:EntityTypeMapping[@TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.FullName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.FullName + ")") + " or @TypeName=" + XmlHelpers.XPathLiteral(modelEntityType.AliasName) + " or @TypeName=" + XmlHelpers.XPathLiteral("IsTypeOf(" + modelEntityType.AliasName + ")") + "]", NSM);
if (_entityTypeMapping == null)
{
throw new ArgumentException("The entity type " + modelEntityType.Name + " is not a participant in this entity set mapping.");
}
_mappingFragment = (XmlElement)_entityTypeMapping.SelectSingleNode("map:MappingFragment[@StoreEntitySet=" + XmlHelpers.XPathLiteral(storeEntitySetName) + "]", NSM);
if (_mappingFragment == null)
{
throw new ArgumentException("The store entityset " + storeEntitySetName + " is not a participant in this entity set mapping.");
}
_mappingCondition = EDMXDocument.CreateElement("Condition", NameSpaceURImap);
_mappingCondition.SetAttribute("ColumnName", discriminatorColumn.Name);
if (discriminatorValue != null)
{
_mappingCondition.SetAttribute("Value", discriminatorValue);
}
else
{
_mappingCondition.SetAttribute("IsNull", "true");
}
_mappingFragment.AppendChild(_mappingCondition);
}
internal void SetOption(string name, bool value)
{
XmlElement propertyElement = (XmlElement)_optionsPropertySetElement.SelectSingleNode("edmx:DesignerProperty[@Name=" + XmlHelpers.XPathLiteral(name) + "]", NSM);
if (propertyElement == null)
{
propertyElement = _document.CreateElement("DesignerProperty", NameSpaceURIedmx);
propertyElement.SetAttribute("Name", name);
}
propertyElement.SetAttribute("Value", value.ToLString());
}
internal bool GetOption(string name)
{
XmlElement propertyElement = (XmlElement)_optionsPropertySetElement.SelectSingleNode("edmx:DesignerProperty[@Name=" + XmlHelpers.XPathLiteral(name) + "]", NSM);
return(propertyElement.GetAttribute("Value").Equals("true", StringComparison.InvariantCultureIgnoreCase));
}
internal void UpdateKeyName(StoreEntityType entityType, StoreMemberProperty memberProperty, string oldName, string newName)
{
if (_associationElement == null)
{
throw new InvalidOperationException("The association set doesn't have a corresponding association.");
}
if (entityType == FromEntitySet.EntityType)
{
foreach (XmlElement key in _associationElement.SelectNodes("ssdl:ReferentialConstraint/ssdl:Dependent/ssdl:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(oldName) + "]", NSM))
{
key.SetAttribute("Name", newName);
}
}
else if (entityType == ToEntitySet.EntityType)
{
foreach (XmlElement key in _associationElement.SelectNodes("ssdl:ReferentialConstraint/ssdl:Principal/ssdl:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(oldName) + "]", NSM))
{
key.SetAttribute("Name", newName);
}
}
else
{
throw new ArgumentException("The entity type " + entityType.Name + " does not participate in the association " + this.Name);
}
}
/// <summary>
/// Removes a pair of key members from the association.
/// </summary>
/// <param name="key">Pair of store member properties to remove from the association.</param>
public void RemoveKey(Tuple <StoreMemberProperty, StoreMemberProperty> key)
{
if (_keys.Contains(key))
{
_keys.Remove(key);
}
if (_associationElement != null)
{
XmlElement fromKeyElement = (XmlElement)_associationElement.SelectSingleNode("ssdl:ReferentialConstraint/ssdl:Dependent/ssdl:PropertyRef[@Name=" + XmlHelpers.XPathLiteral(key.Item1.Name) + "]", NSM);
if (fromKeyElement != null)
{
if (fromKeyElement.ParentNode != null)
{
fromKeyElement.ParentNode.RemoveChild(fromKeyElement);
}
}
XmlElement toKeyElement = (XmlElement)_associationElement.SelectSingleNode("ssdl:ReferentialConstraint/ssdl:Principal/ssdl:PropertyRef", NSM);
if (toKeyElement != null)
{
if (toKeyElement.ParentNode != null)
{
toKeyElement.ParentNode.RemoveChild(toKeyElement);
}
}
}
}
