use std::fmt::Display;
use crate::SRDFBasic;
pub struct Triple<S>
where
S: SRDFBasic + ?Sized,
{
subj: S::Subject,
pred: S::IRI,
obj: S::Term,
}
impl<S> Triple<S>
where
S: SRDFBasic,
{
pub fn new(subj: S::Subject, pred: S::IRI, obj: S::Term) -> Self {
Triple { subj, pred, obj }
}
pub fn subj(&self) -> S::Subject {
self.subj.clone()
}
pub fn pred(&self) -> S::IRI {
self.pred.clone()
}
pub fn obj(&self) -> S::Term {
self.obj.clone()
}
pub fn cnv<T: SRDFBasic>(self) -> Triple<T>
where
T::Subject: From<S::Subject>,
T::Term: From<S::Term>,
T::IRI: From<S::IRI>,
{
Triple {
subj: T::Subject::from(self.subj),
pred: T::IRI::from(self.pred),
obj: T::Term::from(self.obj),
}
}
}
impl<S> Display for Triple<S>
where
S: SRDFBasic,
{
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "<{},{},{}>", self.subj, self.pred, self.obj)
}
}