private static void CompareNavigationProperties(ModuleCollectionChange changes, DataModelModuleCollection originalModules, DataModelModuleCollection targetModules)
{
List <NavigationProperty> sourceNavigationProperties = originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).ToList();
List <NavigationProperty> targetNavigationProperties = targetModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).ToList();
// Compute added navigation properties.
List <Guid> addedGuids = new List <Guid>();
addedGuids.AddRange(targetNavigationProperties.Select(tuple => tuple.Id).
Except(sourceNavigationProperties.Select(tuple => tuple.Id)));
changes.AddedNavigationProperties.AddRange(targetNavigationProperties.
Where(tuple => addedGuids.Contains(tuple.Id)));
// Compute deleted navigation properties.
List <Guid> removedGuids = new List <Guid>();
removedGuids.AddRange(originalModules.SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).Select(tuple => tuple.Id).
Except
(targetModules.SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).Select(tuple => tuple.Id)));
changes.DeletedNavigationProperties.AddRange(originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).
Where(tuple => removedGuids.Contains(tuple.Id)));
// Compute updated navigation properties. Parent of the navigation property can change.
// No need to compare the Association. This will be handled while comparing associations.
foreach (NavigationProperty property in originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties))
{
NavigationProperty newProperty = targetModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.NavigationProperties).
Where(tuple => tuple.Id == property.Id).FirstOrDefault();
if (newProperty != null)
{
if (
property.Description != newProperty.Description ||
property.Name != newProperty.Name ||
property.Parent.Id != newProperty.Parent.Id ||
property.Uri != newProperty.Uri
)
{
changes.UpdatedNavigationProperties.Add(property, newProperty);
}
}
}
}
private static void CompareAssociations(ModuleCollectionChange changes, DataModelModuleCollection originalModules, DataModelModuleCollection targetModules)
{
List <Association> sourceAssociations = originalModules.
SelectMany(tuple => tuple.Associations).ToList();
List <Association> targetAssociations = targetModules.
SelectMany(tuple => tuple.Associations).ToList();
// Compute added associations.
List <Guid> addedGuids = new List <Guid>();
addedGuids.AddRange(targetAssociations.Select(tuple => tuple.Id).
Except(sourceAssociations.Select(tuple => tuple.Id)));
changes.AddedAssociations.AddRange(targetAssociations.
Where(tuple => addedGuids.Contains(tuple.Id)));
// Compute deleted associations.
List <Guid> removedGuids = new List <Guid>();
removedGuids.AddRange(originalModules.SelectMany(tuple => tuple.Associations).
Select(tuple => tuple.Id).
Except
(targetModules.SelectMany(tuple => tuple.Associations).
Select(tuple => tuple.Id)));
changes.DeletedAssociations.AddRange(originalModules.
SelectMany(tuple => tuple.Associations).
Where(tuple => removedGuids.Contains(tuple.Id)));
// Compute updated associations.
foreach (Association originalAssociation in
originalModules.SelectMany(tuple => tuple.Associations))
{
Association newAssociation = targetModules.
SelectMany(tuple => tuple.Associations).
Where(tuple => tuple.Id == originalAssociation.Id).FirstOrDefault();
if (newAssociation != null)
{
if (originalAssociation.Name != newAssociation.Name ||
originalAssociation.ObjectMultiplicity !=
newAssociation.ObjectMultiplicity ||
originalAssociation.ObjectNavigationProperty.Id !=
newAssociation.ObjectNavigationProperty.Id ||
originalAssociation.Parent.Id != newAssociation.Parent.Id ||
originalAssociation.SubjectMultiplicity !=
newAssociation.SubjectMultiplicity ||
originalAssociation.SubjectNavigationProperty.Id !=
newAssociation.SubjectNavigationProperty.Id ||
originalAssociation.Uri != newAssociation.Uri)
{
changes.UpdatedAssociations.Add(originalAssociation, newAssociation);
}
}
}
}
private static void CompareResourceTypes(ModuleCollectionChange changes, DataModelModuleCollection originalModules, DataModelModuleCollection targetModules)
{
List <ResourceType> sourceResourceTypes = originalModules.
SelectMany(tuple => tuple.ResourceTypes).ToList();
List <ResourceType> targetResourceTypes = targetModules.
SelectMany(tuple => tuple.ResourceTypes).ToList();
// Compute added resource types.
List <Guid> addedGuids = new List <Guid>();
addedGuids.AddRange(targetResourceTypes.Select(tuple => tuple.Id).
Except(sourceResourceTypes.Select(tuple => tuple.Id)));
changes.AddedResourceTypes.AddRange(targetResourceTypes.
Where(tuple => addedGuids.Contains(tuple.Id)));
// Compute deleted resource types.
List <Guid> removedGuids = new List <Guid>();
removedGuids.AddRange(originalModules.SelectMany(tuple => tuple.ResourceTypes).
Select(tuple => tuple.Id).
Except
(targetModules.SelectMany(tuple => tuple.ResourceTypes).
Select(tuple => tuple.Id)));
changes.DeletedResourceTypes.AddRange(originalModules.
SelectMany(tuple => tuple.ResourceTypes).
Where(tuple => removedGuids.Contains(tuple.Id)));
// Compute updated resource types. Parent module of the resource type can change.
// However, the new parent MUST be within the same data model.
foreach (ResourceType originalResourceType in
originalModules.SelectMany(tuple => tuple.ResourceTypes))
{
ResourceType newResourceType = targetModules.
SelectMany(tuple => tuple.ResourceTypes).
Where(tuple => tuple.Id == originalResourceType.Id).FirstOrDefault();
if (newResourceType != null)
{
if (originalResourceType.BaseType == null && newResourceType.BaseType != null ||
originalResourceType.BaseType != null && newResourceType.BaseType == null ||
originalResourceType.BaseType != null && newResourceType.BaseType != null &&
originalResourceType.BaseType.Id != newResourceType.BaseType.Id ||
originalResourceType.Description != newResourceType.Description ||
originalResourceType.Name != newResourceType.Name ||
originalResourceType.Parent.Id != newResourceType.Parent.Id ||
originalResourceType.Uri != newResourceType.Uri)
{
changes.UpdatedResourceTypes.Add(originalResourceType, newResourceType);
}
}
}
}
private static void CompareScalarProperties(ModuleCollectionChange changes, DataModelModuleCollection originalModules, DataModelModuleCollection targetModules)
{
List <ScalarProperty> sourceScalarProperties = originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).ToList();
List <ScalarProperty> targetScalarProperties = targetModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).ToList();
// Compute added scalar properties.
List <Guid> addedGuids = new List <Guid>();
addedGuids.AddRange(targetScalarProperties.Select(tuple => tuple.Id).
Except(sourceScalarProperties.Select(tuple => tuple.Id)));
changes.AddedScalarProperties.AddRange(targetScalarProperties.
Where(tuple => addedGuids.Contains(tuple.Id)));
// Compute deleted scalar properties.
List <Guid> removedGuids = new List <Guid>();
removedGuids.AddRange(originalModules.SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).Select(tuple => tuple.Id).
Except
(targetModules.SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).Select(tuple => tuple.Id)));
changes.DeletedScalarProperties.AddRange(originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).
Where(tuple => removedGuids.Contains(tuple.Id)));
// Compute updated scalar properties. Parent for the scalar property can change.
foreach (ScalarProperty property in originalModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties))
{
ScalarProperty newProperty = targetModules.
SelectMany(tuple => tuple.ResourceTypes).
SelectMany(tuple => tuple.ScalarProperties).
Where(tuple => tuple.Id == property.Id).FirstOrDefault();
if (newProperty != null)
{
if (
property.DataType != newProperty.DataType ||
property.Description != newProperty.Description ||
property.MaxLength != newProperty.MaxLength ||
property.Name != newProperty.Name ||
property.Nullable != newProperty.Nullable ||
property.Parent.Id != newProperty.Parent.Id ||
property.Precision != newProperty.Precision ||
property.Scale != newProperty.Scale ||
property.Uri != newProperty.Uri
)
{
changes.UpdatedScalarProperties.Add(property, newProperty);
}
}
}
}
