Struct cyfs_base::TypelessObjectDesc
source · pub struct TypelessObjectDesc { /* private fields */ }
Expand description
无类型的Buffer对象,丢失了SubDesc和DescContent部分的类型信息 实际上也是可以做到带组合类型信息,不过Owner x Area x Author x PublicKey 一共有 24 种组合类型 不过,既然丢失了类型信息,只提供组合类型信息也只是完成了类型信息的一半, 可以通过提供build的方式重建具体的带类型信息的NamedObject,通过调用者注入具体的类型信息完成完整的重构
Implementations§
source§impl TypelessObjectDesc
impl TypelessObjectDesc
丢失了SubDesc类型信息,用成员方法的方式暴露是否含有这些数据
pub fn owner(&self) -> &Option<ObjectId>
pub fn area(&self) -> &Option<Area>
pub fn version(&self) -> u8
pub fn format(&self) -> u8
pub fn content(&self) -> &Vec<u8> ⓘ
pub fn convert_to<DescContentT>( self ) -> BuckyResult<NamedObjectDesc<DescContentT>>where DescContentT: for<'de> RawDecode<'de> + DescContent + Sync + Send + Clone,
pub fn public_key(&self) -> Option<PublicKeyRef<'_>>
Trait Implementations§
source§impl Clone for TypelessObjectDesc
impl Clone for TypelessObjectDesc
source§fn clone(&self) -> TypelessObjectDesc
fn clone(&self) -> TypelessObjectDesc
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for TypelessObjectDesc
impl Debug for TypelessObjectDesc
source§impl ObjectDesc for TypelessObjectDesc
impl ObjectDesc for TypelessObjectDesc
fn obj_type(&self) -> u16
fn calculate_id(&self) -> ObjectId
fn dec_id(&self) -> &Option<ObjectId>
fn ref_objs(&self) -> &Option<Vec<ObjectLink>>
fn prev(&self) -> &Option<ObjectId>
fn create_timestamp(&self) -> &Option<HashValue>
fn create_time(&self) -> u64
fn option_create_time(&self) -> Option<u64>
fn expired_time(&self) -> Option<u64>
fn obj_type_code(&self) -> ObjectTypeCode
fn is_standard_object(&self) -> bool
fn is_core_object(&self) -> bool
fn is_dec_app_object(&self) -> bool
fn object_id(&self) -> ObjectId
source§impl ObjectFormat for TypelessObjectDesc
impl ObjectFormat for TypelessObjectDesc
fn format_json(&self) -> Value
source§impl<'de> RawDecodeWithContext<'de, NamedObjectContext> for TypelessObjectDesc
impl<'de> RawDecodeWithContext<'de, NamedObjectContext> for TypelessObjectDesc
TypelessObjectDesc 解码
- [1] ctx 部分来自NamedObject里的ctx
- [2] 其余部分为desc本身的解码
fn raw_decode_with_context( buf: &'de [u8], ctx: NamedObjectContext ) -> BuckyResult<(Self, &'de [u8])>
source§impl RawEncode for TypelessObjectDesc
impl RawEncode for TypelessObjectDesc
TypelessObjectDesc 用于计算ID用的编码
- [1] ctx 部分包含obj_type, obj_flags 信息(前5bits为0,区别于NamedObject里的ctx.obj_flags)
- [2] 其余部分为desc本身的编码
fn raw_measure(&self, purpose: &Option<RawEncodePurpose>) -> BuckyResult<usize>
fn raw_encode<'a>( &self, buf: &'a mut [u8], purpose: &Option<RawEncodePurpose> ) -> BuckyResult<&'a mut [u8]>
fn raw_encode_to_buffer(&self) -> BuckyResult<Vec<u8>>
fn raw_hash_encode(&self) -> BuckyResult<Vec<u8>>
fn raw_tail_encode<'a>( &self, buf: &'a mut [u8], purpose: &Option<RawEncodePurpose> ) -> BuckyResult<&'a [u8]>
fn raw_hash_value(&self) -> BuckyResult<HashValue>
fn hash_buf(&self, encoded_buf: &[u8]) -> HashValue
source§impl RawEncodeWithContext<NamedObjectContext> for TypelessObjectDesc
impl RawEncodeWithContext<NamedObjectContext> for TypelessObjectDesc
TypelessObjectDesc 编码
- [1] ctx 部分来自NamedObject里的ctx
- [2] 其余部分为desc本身的编码