Struct transact::context::Context

pub struct Context { /* fields omitted */ }

Methods

impl Context

pub fn new(state_id: &str, base_contexts: Vec<ContextId>) -> Self

pub fn base_contexts(&self) -> &[ContextId]

pub fn events(&self) -> &Vec<Event>

pub fn state_changes(&self) -> &Vec<StateChange>

pub fn id(&self) -> &ContextId

pub fn data(&self) -> &Vec<Vec<u8>>

pub fn state_id(&self) -> &String

pub fn add_event(&mut self, event: Event)

pub fn add_data(&mut self, data: Vec<u8>)

pub fn get_state(&self, key: &str) -> Option<&[u8]>

pub fn set_state(&mut self, key: String, value: Vec<u8>)

Adds StateChange::Set without deleting previous StateChanges associated with the Key

pub fn delete_state(&mut self, key: &str) -> Option<Vec<u8>>

Adds StateChange::Delete and returns the value associated to the key being deleted

pub fn contains(&self, key: &str) -> bool

Checks to see if the Key is referenced by any StateChanges within the Context

Trait Implementations

impl Default for Context

fn default() -> Context

Returns the "default value" for a type.

impl Clone for Context

fn clone(&self) -> Context

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Context

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

Formats the value using the given formatter.