public bool TryGetEntityType(Type clrType, out CustomEntityType entityType)
{
CustomUtils.CheckArgumentNotNull(clrType, "clrType");
if (_clrObjectTypeMap.TryGetValue(clrType, out entityType))
{
return(true);
}
return(false);
}
public CustomEntitySetType(
CustomEntityType baseElementType,
string name
)
{
CustomUtils.CheckArgumentNotNull(baseElementType, "baseElementType");
CustomUtils.CheckArgumentNotNull(name, "name");
_baseElementType = baseElementType;
_name = name;
}
public void DefferedInitialization(
CustomEntityType targetEntity,
CustomPropertyType targetPrimaryKeyProperty
)
{
Debug.Assert(!_readonly);
_targetEntity = targetEntity;
_targetPrimaryKeyProperty = targetPrimaryKeyProperty;
_readonly = true;
}
public void Add(CustomEntityType entityType)
{
CustomEntityType otherEntityType;
if (_clrObjectTypeMap.TryGetValue(entityType.ClrObjectType, out otherEntityType))
{
throw new CustomMetadataException(String.Format(
"CLR object type '{0}' is already mapped to entity type '{0}'.",
entityType.ClrObjectType,
otherEntityType
));
}
_clrObjectTypeMap[entityType.ClrObjectType] = entityType;
}
private void CollectEntitySets(
Type clrObjectType,
CustomEntityType entityType,
ICollection <CustomEntitySetType> collectedEntitySets
)
{
var entitySetAttribute = TryGetAttribute <CustomTargetEntitySetAttribute>(clrObjectType, false);
if (null != entitySetAttribute)
{
foreach (string name in entitySetAttribute.EntitySetNames)
{
collectedEntitySets.Add(new CustomEntitySetType(entityType, name));
}
}
}
public void DefferedInitialization(
bool isPrimaryEnd,
CustomEntitySetType entitySetType,
CustomEntityType entityType,
CustomNavigationPropertyType relatedProperty,
CustomMultiplicity multiplicity
)
{
Debug.Assert(!_readonly);
_isPrimaryEnd = isPrimaryEnd;
_entitySetType = entitySetType;
_entityType = entityType;
_relatedProperty = relatedProperty;
_multiplicity = multiplicity;
_readonly = true;
}
private CustomEntitySetType InferEntitySetFromEntityType(
CustomMetadataWorkspace metadata,
CustomEntityType entityType,
string context
)
{
var candidateEntitySets = metadata.EntitySets.Where(es => es.BaseElementType
.IsAssignableFrom(entityType))
.Select(es => es);
if (candidateEntitySets.Count() == 1)
{
return(candidateEntitySets.First());
}
throw new CustomMetadataException(String.Format(
"Cannot infer type of entity set from given entity type '{0}' " +
"in the context of '{1}' because there are either no or several " +
"entity sets with suitable base element type: [{2}]. Specify " +
"which entity set to use.",
entityType,
context,
CustomUtils.FormatCsvString(candidateEntitySets.Select(e => e.Name))
));
}
private CustomMetadataWorkspace Build()
{
CustomMetadataWorkspace workspace = new CustomMetadataWorkspace();
ICollection <DeferredForeignKeyMetadata> deferredForeignKeys
= new List <DeferredForeignKeyMetadata>();
ICollection <DeferredRelationshipMetadata> deferredRelationships
= new List <DeferredRelationshipMetadata>();
ICollection <CustomEntitySetType> collectedEntitySets = new List <CustomEntitySetType>();
foreach (Type clrObjectType in _clrObjectTypeCollection)
{
ICollection <EntityMemberCandidate> memberCandidates = CollectFlatMemberCandidateList(clrObjectType);
ICollection <CustomPropertyType> properties = GetEntityProperties(
clrObjectType,
memberCandidates,
deferredForeignKeys
);
ICollection <CustomNavigationPropertyType> navigationProperties
= GetEntityNavigationProperties(
clrObjectType,
memberCandidates,
deferredRelationships
);
CustomEntityType entityType = new CustomEntityType(
clrObjectType,
properties,
navigationProperties
);
CollectEntitySets(clrObjectType, entityType, collectedEntitySets);
workspace.Add(entityType);
if (memberCandidates.Count > 0)
{
/*
* warn user about unmapped properties?
* Debug.Fail(String.Format(
* "Found unmapped properties [{0}] in CLR object '{1}'.",
* CustomUtils.FormatCsvString(memberCandidates.Select(m => m.ToString())), clrObjectType.Name
* ));
*/
}
}
foreach (CustomEntitySetType entitySet in collectedEntitySets)
{
workspace.Add(entitySet);
}
FixUpDeferredForeignKeyMetadata(workspace, deferredForeignKeys);
FixUpDeferredRelationshipMetadata(workspace, deferredRelationships);
workspace.ValidateAndLock();
return(workspace);
}
public override bool Equals(object obj)
{
CustomEntityType other = obj as CustomEntityType;
return(null == other ? false : _clrObjectType.Equals(other._clrObjectType));
}
public bool IsAssignableFrom(CustomEntityType otherEntityType)
{
return(_clrObjectType.IsAssignableFrom(otherEntityType._clrObjectType));
}
