private static EntityType FindParentTable(
DbDatabaseMapping databaseMapping,
EntityType fromTable,
EntityTypeMapping entityTypeMapping,
EntityType toTable,
bool isMappingInheritedProperties,
int configurationIndex,
int configurationCount,
out bool isSplitting)
{
EntityType entityType = (EntityType)null;
isSplitting = false;
if ((entityTypeMapping.UsesOtherTables(toTable) || configurationCount > 1) && configurationIndex != 0)
{
entityType = entityTypeMapping.GetPrimaryTable();
isSplitting = true;
}
if (entityType == null && fromTable != toTable && !isMappingInheritedProperties)
{
for (EdmType baseType = entityTypeMapping.EntityType.BaseType; baseType != null && entityType == null; baseType = baseType.BaseType)
{
EntityTypeMapping entityTypeMapping1 = databaseMapping.GetEntityTypeMappings((EntityType)baseType).FirstOrDefault <EntityTypeMapping>();
if (entityTypeMapping1 != null)
{
entityType = entityTypeMapping1.GetPrimaryTable();
}
}
}
return(entityType);
}
private static EntityType FindParentTable(
DbDatabaseMapping databaseMapping,
EntityType fromTable,
EntityTypeMapping entityTypeMapping,
EntityType toTable,
bool isMappingInheritedProperties,
int configurationIndex,
int configurationCount,
out bool isSplitting)
{
EntityType parentTable = null;
isSplitting = false;
// Check for entity splitting first, since splitting on a derived type in TPT/TPC will always have fromTable != toTable
if (entityTypeMapping.UsesOtherTables(toTable) ||
configurationCount > 1)
{
if (configurationIndex != 0)
{
// Entity Splitting case
parentTable = entityTypeMapping.GetPrimaryTable();
isSplitting = true;
}
}
if (parentTable == null &&
fromTable != toTable &&
!isMappingInheritedProperties)
{
// TPT case
var baseType = entityTypeMapping.EntityType.BaseType;
while (baseType != null &&
parentTable == null)
{
// Traverse to first anscestor with a mapping
var baseMapping = databaseMapping.GetEntityTypeMappings((EntityType)baseType).FirstOrDefault();
if (baseMapping != null)
{
parentTable = baseMapping.GetPrimaryTable();
}
baseType = baseType.BaseType;
}
}
return(parentTable);
}