Struct SymbolMappingMsgV1 

pub struct SymbolMappingMsgV1 {
    pub hd: RecordHeader,
    pub stype_in_symbol: [c_char; 22],
    pub stype_out_symbol: [c_char; 22],
    pub start_ts: u64,
    pub end_ts: u64,
    /* private fields */
}

A symbol mapping message from the live API in DBN version 1.

Fields

hd: RecordHeader

The common header.

stype_in_symbol: [c_char; 22]

The input symbol.

stype_out_symbol: [c_char; 22]

The output symbol.

start_ts: u64

The start of the mapping interval expressed as the number of nanoseconds since the UNIX epoch.

end_ts: u64

The end of the mapping interval expressed as the number of nanoseconds since the UNIX epoch.

Implementations

impl SymbolMappingMsg

pub fn new( instrument_id: u32, ts_event: u64, stype_in_symbol: &str, stype_out_symbol: &str, start_ts: u64, end_ts: u64, ) -> Result<Self>

Creates a new SymbolMappingMsg.

Errors

This function returns an error if stype_in_symbol or stype_out_symbol contain more than maximum number of 21 characters.

pub fn stype_in_symbol(&self) -> Result<&str>

Parses the input symbol into a &str.

Errors

This function returns an error if stype_in_symbol contains invalid UTF-8.

pub fn stype_out_symbol(&self) -> Result<&str>

Parses the output symbol into a &str.

Errors

This function returns an error if stype_out_symbol contains invalid UTF-8.

pub fn start_ts(&self) -> Option<OffsetDateTime>

Parses the start of the mapping interval into a datetime. Returns None if start_ts contains the sentinel for a null timestamp.

pub fn end_ts(&self) -> Option<OffsetDateTime>

Parses the end of the mapping interval into a datetime. Returns None if end_ts contains the sentinel for a null timestamp.

Trait Implementations

impl AsRef<[u8]> for SymbolMappingMsgV1

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for SymbolMappingMsgV1

fn clone(&self) -> SymbolMappingMsgV1

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SymbolMappingMsgV1

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SymbolMappingMsg

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SymbolMappingMsgV1

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<&SymbolMappingMsgV1> for SymbolMappingMsg

fn from(old: &SymbolMappingMsg) -> Self

Converts to this type from the input type.

impl HasRType for SymbolMappingMsgV1

fn has_rtype(rtype: u8) -> bool

Returns true if rtype matches the value associated with the implementing type.

impl Hash for SymbolMappingMsgV1

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'py> IntoPyObject<'py> for SymbolMappingMsgV1

type Target = SymbolMappingMsgV1

The Python output type

type Output = Bound<'py, <SymbolMappingMsgV1 as IntoPyObject<'py>>::Target>

The smart pointer type to use.

type Error = PyErr

The type returned in the event of a conversion error.

fn into_pyobject( self, py: Python<'py>, ) -> Result<<Self as IntoPyObject<'_>>::Output, <Self as IntoPyObject<'_>>::Error>

Performs the conversion.

impl PartialEq for SymbolMappingMsgV1

fn eq(&self, other: &SymbolMappingMsgV1) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for SymbolMappingMsgV1

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl PyClass for SymbolMappingMsgV1

type Frozen = False

Whether the pyclass is frozen.

impl PyClassImpl for SymbolMappingMsgV1

const IS_BASETYPE: bool = false

#[pyclass(subclass)]

const IS_SUBCLASS: bool = false

#[pyclass(extends=…)]

const IS_MAPPING: bool = false

#[pyclass(mapping)]

const IS_SEQUENCE: bool = false

#[pyclass(sequence)]

const IS_IMMUTABLE_TYPE: bool = false

#[pyclass(immutable_type)]

const RAW_DOC: &'static CStr = /// A symbol mapping message from the live API in DBN version 1.

Docstring for the class provided on the struct or enum.

const DOC: &'static CStr

Fully rendered class doc, including the text_signature if a constructor is defined.

type BaseType = PyAny

Base class

type ThreadChecker = SendablePyClass<SymbolMappingMsgV1>

This handles following two situations:

type PyClassMutability = <<PyAny as PyClassBaseType>::PyClassMutability as PyClassMutability>::MutableChild

Immutable or mutable

type Dict = PyClassDictSlot

Specify this class has #[pyclass(dict)] or not.

type WeakRef = PyClassDummySlot

Specify this class has #[pyclass(weakref)] or not.

type BaseNativeType = PyAny

The closest native ancestor. This is PyAny by default, and when you declare #[pyclass(extends=PyDict)], it’s PyDict.

fn items_iter() -> PyClassItemsIter

fn dict_offset() -> Option<Py_ssize_t>

fn lazy_type_object() -> &'static LazyTypeObject<Self>

fn weaklist_offset() -> Option<isize>

impl PyClassNewTextSignature for SymbolMappingMsg

Available on crate feature python only.

const TEXT_SIGNATURE: &'static str = "(publisher_id, instrument_id, ts_event, stype_in_symbol, stype_out_symbol, start_ts, end_ts)"

impl PyMethods<SymbolMappingMsgV1> for PyClassImplCollector<SymbolMappingMsg>

Available on crate feature python only.

fn py_methods(self) -> &'static PyClassItems

impl PyTypeInfo for SymbolMappingMsgV1

const NAME: &'static str = "SymbolMappingMsgV1"

Class name.

const MODULE: Option<&'static str>

Module name, if any.

fn type_object_raw(py: Python<'_>) -> *mut PyTypeObject

Returns the PyTypeObject instance for this type.

fn type_object(py: Python<'_>) -> Bound<'_, PyType>

Returns the safe abstraction over the type object.

fn is_type_of(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of this type or a subclass of this type.

fn is_exact_type_of(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of this type.

impl Record for SymbolMappingMsgV1

fn header(&self) -> &RecordHeader

Returns a reference to the RecordHeader that comes at the beginning of all record types.

fn record_size(&self) -> usize

Returns the size of the record in bytes.

fn rtype(&self) -> Result<RType>

Tries to convert the raw record type into an enum which is useful for exhaustive pattern matching.

fn publisher(&self) -> Result<Publisher>

Tries to convert the raw publisher_id into an enum which is useful for exhaustive pattern matching.

fn raw_index_ts(&self) -> u64

Returns the raw primary timestamp for the record.

fn index_ts(&self) -> Option<OffsetDateTime>

Returns the primary timestamp for the record. Returns None if the primary timestamp contains the sentinel value for a null timestamp.

fn index_date(&self) -> Option<Date>

Returns the primary date for the record; the date component of the primary timestamp (index_ts()). Returns None if the primary timestamp contains the sentinel value for a null timestamp.

impl RecordMut for SymbolMappingMsgV1

fn header_mut(&mut self) -> &mut RecordHeader

Returns a mutable reference to the RecordHeader that comes at the beginning of all record types.

impl Serialize for SymbolMappingMsgV1

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl SymbolMappingRec for SymbolMappingMsg

fn stype_in_symbol(&self) -> Result<&str>

Returns the input symbol as a &str.

fn stype_out_symbol(&self) -> Result<&str>

Returns the output symbol as a &str.

fn start_ts(&self) -> Option<OffsetDateTime>

Parses the raw start of the mapping interval into a datetime. Returns None if start_ts contains the sentinel for a null timestamp.

fn end_ts(&self) -> Option<OffsetDateTime>

Parses the raw end of the mapping interval into a datetime. Returns None if end_ts contains the sentinel for a null timestamp.

impl WritePyRepr for SymbolMappingMsgV1

Available on crate feature python only.

fn write_py_repr(&self, s: &mut String) -> Result

Writes a Python-style string representation to s.

const SHOULD_FLATTEN: bool = false

Whether this type’s fields should be flattened into the parent repr.

impl Copy for SymbolMappingMsgV1

impl DerefToPyAny for SymbolMappingMsgV1

impl Eq for SymbolMappingMsgV1

impl ExtractPyClassWithClone for SymbolMappingMsgV1

impl StructuralPartialEq for SymbolMappingMsgV1