/// <summary>
/// Initializes a new instance of the <see cref="AggregateExtension" /> class using the supplied extension entity names.
/// </summary>
public AggregateExtension(DomainModel domainModel, AggregateExtensionDefinition aggregateExtensionDefinition)
{
_domainModel = domainModel;
AggregateRootEntityName = aggregateExtensionDefinition.AggregateRootEntityName;
ExtensionEntityNames = aggregateExtensionDefinition.ExtensionEntityNames;
}
internal Aggregate(DomainModel domainModel, AggregateDefinition aggregateDefinition)
{
DomainModel = domainModel;
FullName = aggregateDefinition.AggregateRootEntityName;
var memberEntityNames = new[]
{
aggregateDefinition.AggregateRootEntityName
}
.Concat(aggregateDefinition.AggregateEntityNames)
.Distinct()
.ToArray();
Name = aggregateDefinition.AggregateRootEntityName.Name;
MemberEntityNames = memberEntityNames;
}
internal Association(DomainModel domainModel, AssociationDefinition associationDefinition)
{
if (associationDefinition.PrimaryEntityProperties.Length != associationDefinition.SecondaryEntityProperties.Length)
{
throw new Exception("The association definition is invalid because a different number of properties were provided for the primary and secondary ends of the association.");
}
_domainModel = domainModel;
FullName = associationDefinition.FullName;
var primaryEntityAssociationProperties = associationDefinition.PrimaryEntityProperties
.Select(x => new AssociationProperty(x))
.ToArray();
// Identifying associations mean that the properties in the receiving entity must also be identifying
if (associationDefinition.IsIdentifying)
{
// Coerce each secondary entity property definition to be identifying
associationDefinition.SecondaryEntityProperties.ForEach(p => p.IsIdentifying = true);
}
var secondaryEntityAssociationProperties = associationDefinition.SecondaryEntityProperties
.Select(x => new AssociationProperty(x))
.ToArray();
Cardinality = associationDefinition.Cardinality;
PrimaryEntityFullName = associationDefinition.PrimaryEntityFullName;
SecondaryEntityFullName = associationDefinition.SecondaryEntityFullName;
_primaryEntityAssociationProperties = new Lazy <AssociationProperty[]>(
() =>
{
Entity primaryEntity;
if (!_domainModel.EntityByFullName.TryGetValue(PrimaryEntityFullName, out primaryEntity))
{
throw new Exception($"The primary entity '{PrimaryEntityFullName}' could not be found.");
}
primaryEntityAssociationProperties.ForEach(p => p.Entity = primaryEntity);
return(primaryEntityAssociationProperties);
});
_secondaryEntityAssociationProperties = new Lazy <AssociationProperty[]>(
() =>
{
Entity secondaryEntity;
if (!_domainModel.EntityByFullName.TryGetValue(SecondaryEntityFullName, out secondaryEntity))
{
throw new Exception($"The secondary entity '{SecondaryEntityFullName}' could not be found.");
}
secondaryEntityAssociationProperties.ForEach(p => p.Entity = secondaryEntity);
return(secondaryEntityAssociationProperties);
});
IsIdentifying = associationDefinition.IsIdentifying;
IsRequired = associationDefinition.IsRequired;
IsRequiredCollection = associationDefinition.Cardinality == Cardinality.OneToOneOrMore;
ConstraintByDatabaseEngine = associationDefinition.ConstraintNames;
}
/// <summary>
/// Constructor that takes a set of DomainModelDefinitions to initialize it values
/// </summary>
/// <param name="domainModelDefinitions"></param>
public DomainModelBuilder(IEnumerable <DomainModelDefinitions> domainModelDefinitions)
{
_domainModel = new DomainModel();
domainModelDefinitions.ForEach(x => _domainModel.AddDomainModelDefinitions(x));
}
/// <summary>
/// Initializes a new instance of the <see cref="Entity"/> class with a name and a list of
/// properties that are defined locally on the entity (and are not part of incoming associations).
/// </summary>
/// <param name="domainModel">The incoming <seealso cref="DomainModel"/></param>
/// <param name="entityDefinition">The incoming <seealso cref="EntityDefinition"/></param>
internal Entity(DomainModel domainModel, EntityDefinition entityDefinition)
{
DomainModel = domainModel;
Schema = entityDefinition.Schema;
Name = entityDefinition.Name;
TableNameByDatabaseEngine = new Dictionary <DatabaseEngine, string>(entityDefinition.TableNames);
Description = entityDefinition.Description?.Trim();
IsAbstract = entityDefinition.IsAbstract;
IsDeprecated = entityDefinition.IsDeprecated;
DeprecationReasons = entityDefinition.DeprecationReasons;
_locallyDefinedProperties = entityDefinition.LocallyDefinedProperties.Select(x => new EntityProperty(x))
.ToList();
_identifiers = entityDefinition.Identifiers.Select(x => new EntityIdentifier(x))
.ToReadOnlyList();
// Assign entity references to the identifiers, properties
_identifiers.ForEach(i => i.Entity = this);
_locallyDefinedProperties.ForEach(p => p.Entity = this);
_properties = new Lazy <IReadOnlyList <EntityProperty> >(
() =>
{
// All properties, identifying ones first
var properties =
IncomingAssociations.Where(a => a.IsIdentifying)
.SelectMany(x => x.ThisAssociationProperties.Cast <DomainPropertyBase>())
.Concat(_locallyDefinedProperties.Where(p => p.IsIdentifying))
.Concat(
IncomingAssociations.Where(a => !a.IsIdentifying)
.SelectMany(x => x.ThisAssociationProperties))
.Concat(_locallyDefinedProperties.Where(p => !p.IsIdentifying))
.ToList();
var distinctProperties = properties
.Distinct(ModelComparers.DomainPropertyNameOnly)
.ToList()
.AsReadOnly();
// Return the distinct set of EntityProperty instances,
// constructing new EntityProperty instances for the "winning" AssociationProperty
var entityProperties = distinctProperties.Select(dp =>
(dp as EntityProperty) ?? new EntityProperty(dp as AssociationProperty))
.ToList();
// Ensure back-references to the Entity are set
entityProperties.ForEach(p => p.Entity = this);
return(entityProperties);
});
_nonIdentifyingProperties = new Lazy <IReadOnlyList <EntityProperty> >(
() =>
Properties.Where(p => !p.IsIdentifying)
.ToList()
.AsReadOnly());
_derivedEntities = new Lazy <Entity[]>(
() =>
{
AssociationView[] associations;
if (!DomainModel.AssociationViewsByEntityFullName.TryGetValue(FullName, out associations))
{
return(new Entity[0]);
}
return(associations
.Where(x => x.AssociationType == AssociationViewType.ToDerived)
.Select(x => x.OtherEntity)
.ToArray());
});
_propertyByName = new Lazy <IReadOnlyDictionary <string, EntityProperty> >(
() =>
Properties.ToDictionary(x => x.PropertyName, x => x, StringComparer.InvariantCultureIgnoreCase));
_primaryIdentifier = new Lazy <EntityIdentifier>(
() =>
_identifiers.SingleOrDefault(x => x.IsPrimary));
_alternateIdentifiers = new Lazy <IReadOnlyList <EntityIdentifier> >(
() =>
_identifiers.Where(x => !x.IsPrimary)
.ToList());
_baseAssociation = new Lazy <AssociationView>(
() =>
{
AssociationView[] associations;
if (!DomainModel.AssociationViewsByEntityFullName.TryGetValue(FullName, out associations))
{
return(null);
}
return(associations.SingleOrDefault(a => a.AssociationType == AssociationViewType.FromBase));
});
_isEntityExtension = new Lazy <bool>(
() => EdFiStandardEntityAssociation != null);
_extensions = new Lazy <Entity[]>(
() =>
{
AssociationView[] associations;
if (!DomainModel.AssociationViewsByEntityFullName.TryGetValue(FullName, out associations))
{
return(new Entity[0]);
}
return(associations
.Where(x => x.AssociationType == AssociationViewType.ToExtension)
.Select(x => x.OtherEntity)
.ToArray());
});
_extensionAssociations = new Lazy <AssociationView[]>(
() =>
{
AssociationView[] associations;
if (!DomainModel.AssociationViewsByEntityFullName.TryGetValue(FullName, out associations))
{
return(new AssociationView[0]);
}
return(associations
.Where(x => x.AssociationType == AssociationViewType.ToExtension)
.ToArray());
});
_aggregateExtensionOneToOnes = new Lazy <AssociationView[]>(
() =>
{
return(NavigableOneToOnes.Where(a => a.ThisEntity.Schema != a.OtherEntity.Schema)
.ToArray());
});
_aggregateExtensionChildren = new Lazy <AssociationView[]>(
() =>
{
return(NavigableChildren.Where(a => a.ThisEntity.Schema != a.OtherEntity.Schema)
.ToArray());
});
_edFiStandardEntity = new Lazy <Entity>(
() =>
{
if (EdFiStandardEntityAssociation == null)
{
return(null);
}
return(EdFiStandardEntityAssociation.OtherEntity);
});
_edFiStandardEntityAssociation = new Lazy <AssociationView>(
() =>
IncomingAssociations
.SingleOrDefault(a => a.AssociationType == AssociationViewType.FromCore)
);
_childToAggregateRootIdentifierPropertyMappings =
new Lazy <IReadOnlyList <PropertyMapping> >(() => BuildChildToAggregateRootPropertyMappings(this));
}
internal AssociationView(DomainModel domainModel, Association association, bool isPrimaryEntity)
{
_domainModel = domainModel;
Association = association;
_isPrimaryEntity = isPrimaryEntity;
_thisProperties = new Lazy <EntityProperty[]>(
() => _thisAssociationProperties.Value.Select(ap => ap.EntityProperty).ToArray());
_otherProperties = new Lazy <EntityProperty[]>(
() => _otherAssociationProperties.Value.Select(ap => ap.EntityProperty).ToArray());
_thisAssociationProperties = new Lazy <AssociationProperty[]>(
() =>
{
InitializeAssociationPropertyEntityBackReferences();
return(_isPrimaryEntity
? association.PrimaryEntityAssociationProperties
: association.SecondaryEntityAssociationProperties);
});
_otherAssociationProperties = new Lazy <AssociationProperty[]>(
() =>
{
InitializeAssociationPropertyEntityBackReferences();
return(_isPrimaryEntity
? association.SecondaryEntityAssociationProperties
: association.PrimaryEntityAssociationProperties);
});
_propertyMappings = new Lazy <IReadOnlyList <PropertyMapping> >(
() =>
_thisProperties.Value.Select((p, i) => new PropertyMapping(p, _otherProperties.Value[i]))
.ToList());
_propertyMappingsByThisName = new Lazy <IReadOnlyDictionary <string, PropertyMapping> >(
() =>
new ReadOnlyDictionary <string, PropertyMapping>(
_propertyMappings.Value.ToDictionary(
m => m.ThisProperty.PropertyName,
m => m,
StringComparer.InvariantCultureIgnoreCase)));
_propertyMappingsByOtherName = new Lazy <IReadOnlyDictionary <string, PropertyMapping> >(
() =>
new ReadOnlyDictionary <string, PropertyMapping>(
_propertyMappings.Value.ToDictionary(
m => m.OtherProperty.PropertyName,
m => m,
StringComparer.InvariantCultureIgnoreCase)));
_foreignKeyNameParts = new Lazy <ForeignKeyNameParts>(
() => GetForeignKeyNameParts(this));
_isSoftDependency = new Lazy <bool>(
() =>
{
// Navigable relationships do not span aggregates and do not represent aggregate dependencies
if (IsNavigable)
{
return(false);
}
bool isContainingEntityPresenceOptional = ThisEntity.AncestorsOrSelf.Select(e => e.ParentAssociation)
// Exclude root's ParentAssociation (which will be null)
.Where(av => av != null)
.Any(av =>
// An optional collection
(av.AssociationType == AssociationViewType.ManyToOne && !av.Association.IsRequiredCollection)
// An optional incoming one-to-one reference
|| (av.AssociationType == AssociationViewType.OneToOneIncoming && !av.IsRequired));
if (isContainingEntityPresenceOptional)
{
return(true);
}
// Containing entity is required, so evaluate the reference itself
if (AssociationType == AssociationViewType.ManyToOne ||
AssociationType == AssociationViewType.OneToOneIncoming)
{
return(!IsRequired);
}
// All other associations do not represent dependencies
return(false);
});
}
