internal void GenerateAssociationSets(
SimpleMappingContext mappingContext,
UniqueIdentifierService uniqueEntityContainerNames,
UniqueIdentifierService globallyUniqueTypeNames)
{
IEnumerable <AssociationSet> associationSetsFromNonCollapsibleItems;
var collapsibleItems = CollapsibleEntityAssociationSets.CreateCollapsibleItems(
mappingContext.StoreModel.Containers.Single().BaseEntitySets,
out associationSetsFromNonCollapsibleItems);
foreach (var set in associationSetsFromNonCollapsibleItems)
{
GenerateAssociationSet(
mappingContext,
set,
uniqueEntityContainerNames,
globallyUniqueTypeNames);
}
foreach (var item in collapsibleItems)
{
GenerateAssociationSet(
mappingContext,
item,
uniqueEntityContainerNames,
globallyUniqueTypeNames);
}
}
private static AssociationSetMapping BuildAssociationSetMapping(
CollapsibleEntityAssociationSets collapsibleItem,
EntityContainerMapping entityContainerMapping,
SimpleMappingContext mappingContext)
{
Debug.Assert(collapsibleItem != null, "collapsibleItem != null");
Debug.Assert(entityContainerMapping != null, "entityContainerMapping != null");
Debug.Assert(mappingContext != null, "mappingContext != null");
var modelAssociationSet = mappingContext[collapsibleItem];
if (modelAssociationSet.ElementType.IsForeignKey)
{
return(null);
}
var associationSetMapping = new AssociationSetMapping(
modelAssociationSet, collapsibleItem.EntitySet, entityContainerMapping);
var count = collapsibleItem.AssociationSets.Count;
if (count > 0)
{
associationSetMapping.SourceEndMapping = BuildEndPropertyMapping(
collapsibleItem.GetStoreAssociationSetEnd(0).AssociationSetEnd, mappingContext);
}
if (count > 1)
{
associationSetMapping.TargetEndMapping = BuildEndPropertyMapping(
collapsibleItem.GetStoreAssociationSetEnd(1).AssociationSetEnd, mappingContext);
}
return(associationSetMapping);
}
public void Can_add_and_get_mapping_for_collapsed_entity_sets()
{
var storeEntity = CreateEntityType("storeEntity");
var storeEntitySet = EntitySet.Create("storeEntitySet", null, null, null, storeEntity, null);
var collapsibleAssociationSet = new CollapsibleEntityAssociationSets(storeEntitySet);
var associationType = AssociationType.Create("modelAssociationType", "ns", false, DataSpace.CSpace, null, null, null, null);
var associationSet = AssociationSet.Create("modelAssociationType", associationType, null, null, null);
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
mappingContext.AddMapping(collapsibleAssociationSet, associationSet);
Assert.Same(associationSet, mappingContext[collapsibleAssociationSet]);
}
public void ConceptualAssociationSets_returns_associationsets_for_collapsed_entity_sets()
{
var storeEntity = CreateEntityType("storeEntity");
var storeEntitySet = EntitySet.Create("storeEntitySet", null, null, null, storeEntity, null);
var collapsibleAssociationSet = new CollapsibleEntityAssociationSets(storeEntitySet);
var associationType = AssociationType.Create("modelAssociationType", "ns", false, DataSpace.CSpace, null, null, null, null);
var associationSet = AssociationSet.Create("modelAssociationType", associationType, null, null, null);
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
Assert.Empty(mappingContext.ConceptualAssociationSets());
mappingContext.AddMapping(collapsibleAssociationSet, associationSet);
Assert.Equal(1, mappingContext.ConceptualAssociationSets().Count());
Assert.Same(associationSet, mappingContext.ConceptualAssociationSets().Single());
}
public void BuildAssociationSetMappings_builds_conceptual_association_set_mapping_for_collapsed_store_entity_sets()
{
#region Setting up many to many relationship in the SSpace Teacher * -- 1 TeacherStudents 1 -- * Teachers
var joinStoreEntityType =
EntityType.Create(
"TeacherStudents", "ns.Store", DataSpace.SSpace,
new[] { "JoinTeacherId", "JoinStudentId" },
new[]
{
CreateStoreProperty("JoinTeacherId", "int"),
CreateStoreProperty("JoinStudentId", "int")
}, null);
var joinStoreEntitySet =
EntitySet.Create("TeacherStudentsSet", "dbo", "TeacherStudentTable", null, joinStoreEntityType, null);
var storeTeacherEntityType =
EntityType.Create(
"Teacher", "ns.Store", DataSpace.SSpace, new[] { "TeacherId" },
new[] { CreateStoreProperty("TeacherId", "int") }, null);
var storeTeacherEntitySet =
EntitySet.Create("TeachersSet", "dbo", "Teachers", null, storeTeacherEntityType, null);
var storeStudentEntityType =
EntityType.Create(
"Student", "ns.Store", DataSpace.SSpace, new[] { "StudentId" },
new[] { CreateStoreProperty("StudentId", "int") }, null);
var storeStudentEntitySet =
EntitySet.Create("StudentSet", "dbo", "Students", null, storeStudentEntityType, null);
var storeTeachersEndMember =
AssociationEndMember.Create(
"Teachers", storeTeacherEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var storeTeacherStudentsfromTeachersEndMember =
AssociationEndMember.Create(
"TeacherStudents_fromTeachers", joinStoreEntityType.GetReferenceType(), RelationshipMultiplicity.One,
OperationAction.None, null);
var storeTeacherAssociationType =
AssociationType.Create(
"Teacher_TeacherStudentsAssociationType", "ns.Store", false, DataSpace.SSpace,
storeTeachersEndMember, storeTeacherStudentsfromTeachersEndMember,
new ReferentialConstraint(
storeTeachersEndMember, storeTeacherStudentsfromTeachersEndMember, storeTeacherEntityType.KeyProperties,
joinStoreEntityType.KeyProperties.Where(p => p.Name == "JoinTeacherId")),
null);
var storeTeacherAssociationSet =
AssociationSet.Create(
"Teacher_TeacherStudents", storeTeacherAssociationType, storeTeacherEntitySet, joinStoreEntitySet, null);
var storeStudentsEndMember =
AssociationEndMember.Create(
"Students", storeStudentEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var storeTeacherStudentsfromStudentsEndMember =
AssociationEndMember.Create(
"TeacherStudents_fromStudents", joinStoreEntityType.GetReferenceType(), RelationshipMultiplicity.One,
OperationAction.None, null);
var storeStudentAssociationType =
AssociationType.Create(
"Student_TeacherStudentsAssociationType", "ns.Store", false, DataSpace.SSpace,
storeStudentsEndMember,
storeTeacherStudentsfromStudentsEndMember,
new ReferentialConstraint(
storeStudentsEndMember, storeTeacherStudentsfromStudentsEndMember, storeStudentEntityType.KeyProperties,
joinStoreEntityType.KeyProperties.Where(p => p.Name == "JoinStudentId")),
null);
var storeStudentAssociationSet =
AssociationSet.Create(
"Student_TeacherStudents", storeStudentAssociationType, storeStudentEntitySet, joinStoreEntitySet, null);
var collapsedAssociationSet = new CollapsibleEntityAssociationSets(joinStoreEntitySet);
collapsedAssociationSet.AssociationSets.Add(storeTeacherAssociationSet);
collapsedAssociationSet.AssociationSets.Add(storeStudentAssociationSet);
#endregion
#region Setting up many to many relationship in the CSpace Teacher * -- * Teachers
var conceptualContainer = EntityContainer.Create("ConceptualContainer", DataSpace.CSpace, null, null, null);
var edmIntTypeUsage =
TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32));
var conceptualTeacherEntityType =
EntityType.Create(
"Teacher", "ns", DataSpace.CSpace, new[] { "TeacherId" },
new[] { EdmProperty.Create("TeacherId", edmIntTypeUsage) }, null);
var conceptualTeacherEntitySet =
EntitySet.Create("TeachersSet", null, null, null, conceptualTeacherEntityType, null);
var conceptualStudentEntityType =
EntityType.Create(
"Student", "ns", DataSpace.CSpace, new[] { "StudentId" },
new[] { EdmProperty.Create("StudentId", edmIntTypeUsage) }, null);
var conceptualStudentEntitySet =
EntitySet.Create("StudentSet", "dbo", "Students", null, conceptualStudentEntityType, null);
var conceptualTeachersEndMember =
AssociationEndMember.Create(
"TeachersEnd", conceptualTeacherEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var conceptualStudentsEndMember =
AssociationEndMember.Create(
"StudentsEnd", conceptualStudentEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var conceptualAssociationType =
AssociationType.Create(
"TeacherStudentAssociation",
"ns.Model",
false,
DataSpace.CSpace,
conceptualTeachersEndMember,
conceptualStudentsEndMember,
new ReferentialConstraint(
conceptualTeachersEndMember, conceptualStudentsEndMember,
conceptualTeacherEntityType.KeyProperties, conceptualStudentEntityType.KeyProperties),
null);
var conceptualAssociationSet =
AssociationSet.Create(
"TeacherStudentSet", conceptualAssociationType, conceptualTeacherEntitySet,
conceptualStudentEntitySet, null);
#endregion
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
mappingContext.AddMapping(collapsedAssociationSet, conceptualAssociationSet);
mappingContext.AddMapping(storeTeachersEndMember, conceptualTeachersEndMember);
mappingContext.AddMapping(storeStudentsEndMember, conceptualStudentsEndMember);
mappingContext.AddMapping(
storeTeacherAssociationSet.AssociationSetEnds.ElementAt(0),
conceptualAssociationSet.AssociationSetEnds.ElementAt(0));
mappingContext.AddMapping(
storeStudentAssociationSet.AssociationSetEnds.ElementAt(0),
conceptualAssociationSet.AssociationSetEnds.ElementAt(1));
mappingContext.AddMapping(
storeStudentEntityType.KeyProperties.Single(), conceptualStudentEntityType.KeyProperties.Single());
mappingContext.AddMapping(
storeTeacherEntityType.KeyProperties.Single(), conceptualTeacherEntityType.KeyProperties.Single());
var storageEntitySetMapping =
new EntityContainerMapping(conceptualContainer, null, null, false, false);
var associationSetMapping =
DbDatabaseMappingBuilder.BuildAssociationSetMappings(storageEntitySetMapping, mappingContext)
.SingleOrDefault();
Assert.NotNull(associationSetMapping);
var mappingFragment = associationSetMapping.TypeMappings.SingleOrDefault();
Assert.NotNull(mappingFragment);
var propertyMappings = mappingFragment.MappingFragments.Single().PropertyMappings;
Assert.Equal(2, propertyMappings.Count);
Assert.Same(conceptualTeachersEndMember, ((EndPropertyMapping)propertyMappings[0]).AssociationEnd);
Assert.Same(conceptualStudentsEndMember, ((EndPropertyMapping)propertyMappings[1]).AssociationEnd);
var scalarPropertyMapping = ((EndPropertyMapping)propertyMappings[0]).PropertyMappings.Single();
Assert.Same(conceptualTeacherEntityType.KeyMembers.Single(), scalarPropertyMapping.Property);
Assert.Same(
joinStoreEntityType.KeyMembers.Single(m => m.Name == "JoinTeacherId"),
scalarPropertyMapping.Column);
scalarPropertyMapping = ((EndPropertyMapping)propertyMappings[1]).PropertyMappings.Single();
Assert.Same(conceptualStudentEntityType.KeyMembers.Single(), scalarPropertyMapping.Property);
Assert.Same(
joinStoreEntityType.KeyMembers.Single(m => m.Name == "JoinStudentId"),
scalarPropertyMapping.Column);
}
private void GenerateAssociationSet(
SimpleMappingContext mappingContext,
CollapsibleEntityAssociationSets collapsibleItem,
UniqueIdentifierService uniqueEntityContainerNames,
UniqueIdentifierService globallyUniqueTypeNames)
{
var uniqueEndMemberNames = new UniqueIdentifierService(StringComparer.OrdinalIgnoreCase);
var associationSetEndDetails0 = collapsibleItem.GetStoreAssociationSetEnd(0);
var associationEndMember0 = GenerateAssociationEndMember(
mappingContext,
associationSetEndDetails0.AssociationSetEnd.CorrespondingAssociationEndMember,
uniqueEndMemberNames,
associationSetEndDetails0.Multiplicity,
associationSetEndDetails0.DeleteBehavior);
var conceptualEntitySet0 = mappingContext[associationSetEndDetails0.AssociationSetEnd.EntitySet];
var associationSetEndDetails1 =
collapsibleItem.GetStoreAssociationSetEnd(1);
var associationEndMember1 = GenerateAssociationEndMember(
mappingContext,
associationSetEndDetails1.AssociationSetEnd.CorrespondingAssociationEndMember,
uniqueEndMemberNames,
associationSetEndDetails1.Multiplicity,
associationSetEndDetails1.DeleteBehavior);
var conceptualEntitySet1 = mappingContext[associationSetEndDetails1.AssociationSetEnd.EntitySet];
globallyUniqueTypeNames.UnregisterIdentifier(mappingContext[collapsibleItem.EntitySet.ElementType].Name);
uniqueEntityContainerNames.UnregisterIdentifier(mappingContext[collapsibleItem.EntitySet].Name);
var associationTypeName = CreateModelName(collapsibleItem.EntitySet.Name, globallyUniqueTypeNames);
var associationSetName = CreateModelName(collapsibleItem.EntitySet.Name, uniqueEntityContainerNames);
var conceptualAssociationType = AssociationType.Create(
associationTypeName,
_namespaceName,
false,
DataSpace.CSpace,
associationEndMember0,
associationEndMember1,
null, // Don't need a referential constraint.
null);
CreateModelNavigationProperties(conceptualAssociationType);
var conceptualAssociationSet = AssociationSet.Create(
associationSetName,
conceptualAssociationType,
conceptualEntitySet0,
conceptualEntitySet1,
null);
Debug.Assert(conceptualAssociationSet.AssociationSetEnds.Count == 2);
var conceptualSetEnd0 = conceptualAssociationSet.AssociationSetEnds[0];
var conceptualSetEnd1 = conceptualAssociationSet.AssociationSetEnds[1];
mappingContext.AddMapping(associationSetEndDetails0.AssociationSetEnd, conceptualSetEnd0);
mappingContext.AddMapping(associationSetEndDetails1.AssociationSetEnd, conceptualSetEnd1);
mappingContext.AddMapping(collapsibleItem, conceptualAssociationSet);
mappingContext.RemoveMapping(collapsibleItem.EntitySet);
}
private static AssociationSetMapping BuildAssociationSetMapping(
CollapsibleEntityAssociationSets collapsibleItem,
EntityContainerMapping entityContainerMapping,
SimpleMappingContext mappingContext)
{
Debug.Assert(collapsibleItem != null, "collapsibleItem != null");
Debug.Assert(entityContainerMapping != null, "entityContainerMapping != null");
Debug.Assert(mappingContext != null, "mappingContext != null");
var modelAssociationSet = mappingContext[collapsibleItem];
if (modelAssociationSet.ElementType.IsForeignKey)
{
return null;
}
var associationSetMapping = new AssociationSetMapping(
modelAssociationSet, collapsibleItem.EntitySet, entityContainerMapping);
var count = collapsibleItem.AssociationSets.Count;
if (count > 0)
{
associationSetMapping.SourceEndMapping = BuildEndPropertyMapping(
collapsibleItem.GetStoreAssociationSetEnd(0).AssociationSetEnd, mappingContext);
}
if (count > 1)
{
associationSetMapping.TargetEndMapping = BuildEndPropertyMapping(
collapsibleItem.GetStoreAssociationSetEnd(1).AssociationSetEnd, mappingContext);
}
return associationSetMapping;
}
public void AddMapping(
CollapsibleEntityAssociationSets collapsedAssociationSet,
AssociationSet conceptualAssociationSet)
{
_collapsedAssociationSetMappings.Add(collapsedAssociationSet, conceptualAssociationSet);
}
public AssociationSet this[CollapsibleEntityAssociationSets collapsedAssociationSet]
{
get { return(_collapsedAssociationSetMappings[collapsedAssociationSet]); }
}
public void ConceptualAssociationSets_returns_associationsets_for_collapsed_entity_sets()
{
var storeEntity = CreateEntityType("storeEntity");
var storeEntitySet = EntitySet.Create("storeEntitySet", null, null, null, storeEntity, null);
var collapsibleAssociationSet = new CollapsibleEntityAssociationSets(storeEntitySet);
var associationType = AssociationType.Create("modelAssociationType", "ns", false, DataSpace.CSpace, null, null, null, null);
var associationSet = AssociationSet.Create("modelAssociationType", associationType, null, null, null);
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
Assert.Empty(mappingContext.ConceptualAssociationSets());
mappingContext.AddMapping(collapsibleAssociationSet, associationSet);
Assert.Equal(1, mappingContext.ConceptualAssociationSets().Count());
Assert.Same(associationSet, mappingContext.ConceptualAssociationSets().Single());
}
public void Can_add_and_get_mapping_for_collapsed_entity_sets()
{
var storeEntity = CreateEntityType("storeEntity");
var storeEntitySet = EntitySet.Create("storeEntitySet", null, null, null, storeEntity, null);
var collapsibleAssociationSet = new CollapsibleEntityAssociationSets(storeEntitySet);
var associationType = AssociationType.Create("modelAssociationType", "ns", false, DataSpace.CSpace, null, null, null, null);
var associationSet = AssociationSet.Create("modelAssociationType", associationType, null, null, null);
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
mappingContext.AddMapping(collapsibleAssociationSet, associationSet);
Assert.Same(associationSet, mappingContext[collapsibleAssociationSet]);
}
public void AddMapping(
CollapsibleEntityAssociationSets collapsedAssociationSet,
AssociationSet conceptualAssociationSet)
{
_collapsedAssociationSetMappings.Add(collapsedAssociationSet, conceptualAssociationSet);
}
public AssociationSet this[CollapsibleEntityAssociationSets collapsedAssociationSet]
{
get { return _collapsedAssociationSetMappings[collapsedAssociationSet]; }
}
public void BuildAssociationSetMappings_builds_conceptual_assocation_set_mapping_for_collapsed_store_entity_sets()
{
#region Setting up many to many relationship in the SSpace Teacher * -- 1 TeacherStudents 1 -- * Teachers
var joinStoreEntityType =
EntityType.Create(
"TeacherStudents", "ns.Store", DataSpace.SSpace,
new[] { "JoinTeacherId", "JoinStudentId" },
new[]
{
CreateStoreProperty("JoinTeacherId", "int"),
CreateStoreProperty("JoinStudentId", "int")
}, null);
var joinStoreEntitySet =
EntitySet.Create("TeacherStudentsSet", "dbo", "TeacherStudentTable", null, joinStoreEntityType, null);
var storeTeacherEntityType =
EntityType.Create(
"Teacher", "ns.Store", DataSpace.SSpace, new[] { "TeacherId" },
new[] { CreateStoreProperty("TeacherId", "int") }, null);
var storeTeacherEntitySet =
EntitySet.Create("TeachersSet", "dbo", "Teachers", null, storeTeacherEntityType, null);
var storeStudentEntityType =
EntityType.Create(
"Student", "ns.Store", DataSpace.SSpace, new[] { "StudentId" },
new[] { CreateStoreProperty("StudentId", "int") }, null);
var storeStudentEntitySet =
EntitySet.Create("StudentSet", "dbo", "Students", null, storeStudentEntityType, null);
var storeTeachersEndMember =
AssociationEndMember.Create(
"Teachers", storeTeacherEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var storeTeacherStudentsfromTeachersEndMember =
AssociationEndMember.Create(
"TeacherStudents_fromTeachers", joinStoreEntityType.GetReferenceType(), RelationshipMultiplicity.One,
OperationAction.None, null);
var storeTeacherAssociationType =
AssociationType.Create(
"Teacher_TeacherStudentsAssociationType", "ns.Store", false, DataSpace.SSpace,
storeTeachersEndMember, storeTeacherStudentsfromTeachersEndMember,
new ReferentialConstraint(
storeTeachersEndMember, storeTeacherStudentsfromTeachersEndMember, storeTeacherEntityType.KeyProperties,
joinStoreEntityType.KeyProperties.Where(p => p.Name == "JoinTeacherId")),
null);
var storeTeacherAssociationSet =
AssociationSet.Create(
"Teacher_TeacherStudents", storeTeacherAssociationType, storeTeacherEntitySet, joinStoreEntitySet, null);
var storeStudentsEndMember =
AssociationEndMember.Create(
"Students", storeStudentEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var storeTeacherStudentsfromStudentsEndMember =
AssociationEndMember.Create(
"TeacherStudents_fromStudents", joinStoreEntityType.GetReferenceType(), RelationshipMultiplicity.One,
OperationAction.None, null);
var storeStudentAssociationType =
AssociationType.Create(
"Student_TeacherStudentsAssociationType", "ns.Store", false, DataSpace.SSpace,
storeStudentsEndMember,
storeTeacherStudentsfromStudentsEndMember,
new ReferentialConstraint(
storeStudentsEndMember, storeTeacherStudentsfromStudentsEndMember, storeStudentEntityType.KeyProperties,
joinStoreEntityType.KeyProperties.Where(p => p.Name == "JoinStudentId")),
null);
var storeStudentAssociationSet =
AssociationSet.Create(
"Student_TeacherStudents", storeStudentAssociationType, storeStudentEntitySet, joinStoreEntitySet, null);
var collapsedAssociationSet = new CollapsibleEntityAssociationSets(joinStoreEntitySet);
collapsedAssociationSet.AssociationSets.Add(storeTeacherAssociationSet);
collapsedAssociationSet.AssociationSets.Add(storeStudentAssociationSet);
#endregion
#region Setting up many to many relationship in the CSpace Teacher * -- * Teachers
var conceptualContainer = EntityContainer.Create("ConceptualContainer", DataSpace.CSpace, null, null, null);
var edmIntTypeUsage =
TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32));
var conceptualTeacherEntityType =
EntityType.Create(
"Teacher", "ns", DataSpace.CSpace, new[] { "TeacherId" },
new[] { EdmProperty.Create("TeacherId", edmIntTypeUsage) }, null);
var conceptualTeacherEntitySet =
EntitySet.Create("TeachersSet", null, null, null, conceptualTeacherEntityType, null);
var conceptualStudentEntityType =
EntityType.Create(
"Student", "ns", DataSpace.CSpace, new[] { "StudentId" },
new[] { EdmProperty.Create("StudentId", edmIntTypeUsage) }, null);
var conceptualStudentEntitySet =
EntitySet.Create("StudentSet", "dbo", "Students", null, conceptualStudentEntityType, null);
var conceptualTeachersEndMember =
AssociationEndMember.Create(
"TeachersEnd", conceptualTeacherEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var conceptualStudentsEndMember =
AssociationEndMember.Create(
"StudentsEnd", conceptualStudentEntityType.GetReferenceType(), RelationshipMultiplicity.Many,
OperationAction.None, null);
var conceptualAssociationType =
AssociationType.Create(
"TeacherStudentAssociation",
"ns.Model",
false,
DataSpace.CSpace,
conceptualTeachersEndMember,
conceptualStudentsEndMember,
new ReferentialConstraint(
conceptualTeachersEndMember, conceptualStudentsEndMember,
conceptualTeacherEntityType.KeyProperties, conceptualStudentEntityType.KeyProperties),
null);
var conceptualAssociationSet =
AssociationSet.Create(
"TeacherStudentSet", conceptualAssociationType, conceptualTeacherEntitySet,
conceptualStudentEntitySet, null);
#endregion
var mappingContext = new SimpleMappingContext(new EdmModel(DataSpace.SSpace), true);
mappingContext.AddMapping(collapsedAssociationSet, conceptualAssociationSet);
mappingContext.AddMapping(storeTeachersEndMember, conceptualTeachersEndMember);
mappingContext.AddMapping(storeStudentsEndMember, conceptualStudentsEndMember);
mappingContext.AddMapping(
storeTeacherAssociationSet.AssociationSetEnds.ElementAt(0),
conceptualAssociationSet.AssociationSetEnds.ElementAt(0));
mappingContext.AddMapping(
storeStudentAssociationSet.AssociationSetEnds.ElementAt(0),
conceptualAssociationSet.AssociationSetEnds.ElementAt(1));
mappingContext.AddMapping(
storeStudentEntityType.KeyProperties.Single(), conceptualStudentEntityType.KeyProperties.Single());
mappingContext.AddMapping(
storeTeacherEntityType.KeyProperties.Single(), conceptualTeacherEntityType.KeyProperties.Single());
var storageEntitySetMapping =
new EntityContainerMapping(conceptualContainer, null, null, false, false);
var associationSetMapping =
DbDatabaseMappingBuilder.BuildAssociationSetMappings(storageEntitySetMapping, mappingContext)
.SingleOrDefault();
Assert.NotNull(associationSetMapping);
var mappingFragment = associationSetMapping.TypeMappings.SingleOrDefault();
Assert.NotNull(mappingFragment);
var propertyMappings = mappingFragment.MappingFragments.Single().PropertyMappings;
Assert.Equal(2, propertyMappings.Count);
Assert.Same(conceptualTeachersEndMember, ((EndPropertyMapping)propertyMappings[0]).AssociationEnd);
Assert.Same(conceptualStudentsEndMember, ((EndPropertyMapping)propertyMappings[1]).AssociationEnd);
var scalarPropertyMapping = ((EndPropertyMapping)propertyMappings[0]).PropertyMappings.Single();
Assert.Same(conceptualTeacherEntityType.KeyMembers.Single(), scalarPropertyMapping.Property);
Assert.Same(
joinStoreEntityType.KeyMembers.Single(m => m.Name == "JoinTeacherId"),
scalarPropertyMapping.Column);
scalarPropertyMapping = ((EndPropertyMapping)propertyMappings[1]).PropertyMappings.Single();
Assert.Same(conceptualStudentEntityType.KeyMembers.Single(), scalarPropertyMapping.Property);
Assert.Same(
joinStoreEntityType.KeyMembers.Single(m => m.Name == "JoinStudentId"),
scalarPropertyMapping.Column);
}
private void GenerateAssociationSet(
SimpleMappingContext mappingContext,
CollapsibleEntityAssociationSets collapsibleItem,
UniqueIdentifierService uniqueEntityContainerNames,
UniqueIdentifierService globallyUniqueTypeNames)
{
var uniqueEndMemberNames = new UniqueIdentifierService(StringComparer.OrdinalIgnoreCase);
var associationSetEndDetails0 = collapsibleItem.GetStoreAssociationSetEnd(0);
var associationEndMember0 = GenerateAssociationEndMember(
mappingContext,
associationSetEndDetails0.AssociationSetEnd.CorrespondingAssociationEndMember,
uniqueEndMemberNames,
associationSetEndDetails0.Multiplicity,
associationSetEndDetails0.DeleteBehavior);
var conceptualEntitySet0 = mappingContext[associationSetEndDetails0.AssociationSetEnd.EntitySet];
var associationSetEndDetails1 =
collapsibleItem.GetStoreAssociationSetEnd(1);
var associationEndMember1 = GenerateAssociationEndMember(
mappingContext,
associationSetEndDetails1.AssociationSetEnd.CorrespondingAssociationEndMember,
uniqueEndMemberNames,
associationSetEndDetails1.Multiplicity,
associationSetEndDetails1.DeleteBehavior);
var conceptualEntitySet1 = mappingContext[associationSetEndDetails1.AssociationSetEnd.EntitySet];
globallyUniqueTypeNames.UnregisterIdentifier(mappingContext[collapsibleItem.EntitySet.ElementType].Name);
uniqueEntityContainerNames.UnregisterIdentifier(mappingContext[collapsibleItem.EntitySet].Name);
var associationTypeName = CreateModelName(collapsibleItem.EntitySet.Name, globallyUniqueTypeNames);
var associationSetName = CreateModelName(collapsibleItem.EntitySet.Name, uniqueEntityContainerNames);
var conceptualAssociationType = AssociationType.Create(
associationTypeName,
_namespaceName,
false,
DataSpace.CSpace,
associationEndMember0,
associationEndMember1,
null, // Don't need a referential constraint.
null);
CreateModelNavigationProperties(conceptualAssociationType);
var conceptualAssociationSet = AssociationSet.Create(
associationSetName,
conceptualAssociationType,
conceptualEntitySet0,
conceptualEntitySet1,
null);
Debug.Assert(conceptualAssociationSet.AssociationSetEnds.Count == 2);
var conceptualSetEnd0 = conceptualAssociationSet.AssociationSetEnds[0];
var conceptualSetEnd1 = conceptualAssociationSet.AssociationSetEnds[1];
mappingContext.AddMapping(associationSetEndDetails0.AssociationSetEnd, conceptualSetEnd0);
mappingContext.AddMapping(associationSetEndDetails1.AssociationSetEnd, conceptualSetEnd1);
mappingContext.AddMapping(collapsibleItem, conceptualAssociationSet);
mappingContext.RemoveMapping(collapsibleItem.EntitySet);
}
