Struct PatternBuilder 

pub struct PatternBuilder { /* private fields */ }

Pattern builder for easier construction (Drools-style DSL)

Implementations

impl PatternBuilder

pub fn for_type(fact_type: impl Into<String>) -> Self

Start building pattern for a fact type

pub fn where_field( self, field: impl Into<String>, operator: impl Into<String>, value: FactValue, ) -> Self

Add simple constraint (field op value)

pub fn bind(self, field: impl Into<String>, variable: impl Into<String>) -> Self

Bind field to variable ($var)

pub fn where_var( self, field: impl Into<String>, operator: impl Into<String>, variable: impl Into<String>, ) -> Self

Compare field with variable ($var)

pub fn named(self, name: impl Into<String>) -> Self

Set pattern name

pub fn build(self) -> Pattern

Build the pattern