private ClassMapping GetMapping(Type type)
{
var mapping = Configuration.Mapping
.GetOrAdd(type, t => new ClassMapping(TypeAccessor.GetAccessor(type)));
if (mapping.Mapped)
{
return(mapping);
}
bool autoMap = mapping.AutoMap || Configuration.AutoMap;
if (!autoMap)
{
return(mapping);
}
// thread-safe initialization
lock (mapping.SyncRoot)
{
if (mapping.Mapped)
{
return(mapping);
}
var typeAccessor = mapping.TypeAccessor;
// scan for data sources
var dataSources = Configuration
.DataSources()
.OrderBy(p => p.Priority)
.ToList();
var properties = typeAccessor.GetProperties()
.Where(p => p.HasGetter && p.HasSetter);
foreach (var property in properties)
{
// get or create member
var memberMapping = mapping.Members.FirstOrDefault(m => m.MemberAccessor.Name == property.Name);
if (memberMapping == null)
{
memberMapping = new MemberMapping {
MemberAccessor = property
};
mapping.Members.Add(memberMapping);
}
// skip already mapped fields
if (memberMapping.Ignored || memberMapping.DataSource != null)
{
continue;
}
// search all for first match
var context = new MappingContext(mapping, memberMapping);
memberMapping.DataSource = dataSources.FirstOrDefault(d => d.TryMap(context));
}
mapping.Mapped = true;
return(mapping);
}
}
/// <summary>
/// Creates a new <see langword="object"/> that is a copy of the current instance.
/// </summary>
/// <returns>
/// A new object that is a copy of this instance.
/// </returns>
public ClassMapping Clone()
{
var classMapping = new ClassMapping
{
AutoMap = AutoMap,
Ignored = Ignored,
Mapped = Mapped,
TypeAccessor = TypeAccessor,
};
foreach (var m in Members)
{
var memberMapping = new MemberMapping
{
Ignored = m.Ignored,
MemberAccessor = m.MemberAccessor,
DataSource = m.DataSource
};
classMapping.Members.Add(memberMapping);
}
return classMapping;
}
/// <summary>
/// Initializes a new instance of the <see cref="MappingContext"/> class.
/// </summary>
/// <param name="classMapping">The class mapping.</param>
/// <param name="memberMapping">The member mapping.</param>
public MappingContext(ClassMapping classMapping, MemberMapping memberMapping)
{
ClassMapping = classMapping;
MemberMapping = memberMapping;
}
/// <summary>
/// Initializes a new instance of the <see cref="MappingContext"/> class.
/// </summary>
/// <param name="classMapping">The class mapping.</param>
/// <param name="memberMapping">The member mapping.</param>
public MappingContext(ClassMapping classMapping, MemberMapping memberMapping)
{
ClassMapping = classMapping;
MemberMapping = memberMapping;
}