/// <summary>
/// Registers a delegate to get the value of a property from an object.
/// </summary>
/// <param name="type">The type the property belongs to.</param>
/// <param name="propertyName">The name of the property obtained by <paramref name="getter"/>.</param>
/// <param name="getter">A delegate to get the value of the property.</param>
public void Register(Type type, string propertyName, Func <object, object> getter)
{
Contract.RequiresNotNull(type, nameof(type));
TypeGetterCache typeCache;
if (!_types.TryGetValue(type, out typeCache))
{
typeCache = new TypeGetterCache(type);
_types[type] = typeCache;
}
typeCache.Register(propertyName, getter);
}
/// <summary>
/// Gets a delegate which obtains the value of the property with the given name.
/// </summary>
/// <param name="type">The type the property belongs to.</param>
/// <param name="propertyName">The name of the property.</param>
/// <returns>A delegate to get the value of the property.</returns>
public Func <object, object> Get(Type type, string propertyName)
{
Contract.RequiresNotNull(type, nameof(type));
Contract.RequiresNotNull(propertyName, nameof(propertyName));
TypeGetterCache typeCache;
if (!_types.TryGetValue(type, out typeCache))
{
typeCache = new TypeGetterCache(type);
_types[type] = typeCache;
}
return(typeCache[propertyName]);
}
/// <summary>
/// Gets a <see cref="TypeGetterCache"/> for the given type.
/// </summary>
/// <param name="type">The type whose cache to get.</param>
/// <returns>A cache of delegates for a specific type.</returns>
public TypeGetterCache this[Type type]
{
get
{
TypeGetterCache typeCache;
if (!_types.TryGetValue(type, out typeCache))
{
typeCache = new TypeGetterCache(type);
_types[type] = typeCache;
}
return(typeCache);
}
}