private static void ExtractProperties <K>(IContextContainer <K> context, IContextObject extractObj)
{
List <PropertyInfo> properties = cachedTypePropertyDic[extractObj.GetType()][ContextUsage.Extract];
if (properties != null && properties.Count > 0)
{
foreach (var property in properties)
{
if (typeof(IContextContainer <>).IsAssignableFrom(property.PropertyType))
{
throw new InvalidOperationException("Context can only be used with the InjectUsage.In option.");
}
var attr = property.GetCustomAttribute <ContextIEAttribute>();
object fieldValue = property.GetValue(extractObj);
if (!attr.Optional)
{
context.AddOrUpdate((K)attr.Key, fieldValue);
}
else if (fieldValue != null)
{
context.AddOrUpdate((K)attr.Key, fieldValue);
}
}
}
}
private static void ExtractFields <K>(IContextContainer <K> context, IContextObject extractObj)
{
List <FieldInfo> fields = cachedTypeFieldDic[extractObj.GetType()][ContextUsage.Extract];
if (fields != null && fields.Count > 0)
{
foreach (var field in fields)
{
if (typeof(IContextContainer <>).IsAssignableFrom(field.FieldType))
{
throw new InvalidOperationException("Context can only be used with the InjectUsage.In option.");
}
var attr = field.GetCustomAttribute <ContextIEAttribute>();
object value = field.GetValue(extractObj);
if (!attr.Optional)
{
context.AddOrUpdate((K)attr.Key, value);
}
else if (value != null)
{
context.AddOrUpdate((K)attr.Key, value);
}
}
}
}