Enum ActionResult 

pub enum ActionResult {
    Retract(FactHandle),
    RetractByType(String),
    Update(FactHandle),
    ActivateAgendaGroup(String),
    InsertFact {
        fact_type: String,
        data: TypedFacts,
    },
    InsertLogicalFact {
        fact_type: String,
        data: TypedFacts,
        rule_name: String,
        premises: Vec<FactHandle>,
    },
    CallFunction {
        function_name: String,
        args: Vec<String>,
    },
    ScheduleRule {
        rule_name: String,
        delay_ms: u64,
    },
    None,
}

Result of executing a rule action Actions can return side effects that need to be handled by the engine

Variants

Retract(FactHandle)

Retract a fact by handle

RetractByType(String)

Retract a fact by fact type (first matching fact)

Update(FactHandle)

Update/modify a fact (trigger re-evaluation)

ActivateAgendaGroup(String)

Activate an agenda group

InsertFact

Insert a new fact

Fields

fact_type: String

data: TypedFacts

InsertLogicalFact

Insert a logical fact (with justification)

Fields

fact_type: String

data: TypedFacts

rule_name: String

premises: Vec<FactHandle>

CallFunction

Call a custom function (requires function registry)

Fields

function_name: String

args: Vec<String>

ScheduleRule

Schedule a rule to fire later

Fields

rule_name: String

delay_ms: u64

None

No side effect, just modify facts

Trait Implementations

impl Clone for ActionResult

fn clone(&self) -> ActionResult

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ActionResult

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

Formats the value using the given formatter.