gremlin_client/structure/
macros.rs

1#[doc(hidden)]
2#[macro_export]
3macro_rules! vertex {
4    ({ id => $id:expr,label => $label:expr, properties => {$($key:expr => [$({ id => $p_id:expr, value => $p_value:expr}),*]),*}}) => {{
5
6        #[allow(unused_mut)]
7        let mut properties  = ::std::collections::HashMap::<String,Vec<$crate::VertexProperty>>::new();
8            $(
9                let mut sub_props = vec![];
10                $(
11                    let p = $crate::VertexProperty::new($p_id,$key,$p_value);
12                    sub_props.push(p);
13                )*
14                properties.insert($key.into(),sub_props);
15            )*
16        let v = $crate::Vertex::new($id.into(), $label,properties);
17        v
18    }};
19}
20
21#[doc(hidden)]
22#[macro_export]
23macro_rules! edge {
24    ({
25       id => $id:expr,
26       label => $label:expr,
27       inV => {  id => $inVId:expr, label => $inVLabel:expr},
28       outV => {  id => $outVId:expr, label => $outVLabel:expr} ,
29       properties => {$($key:expr => $value:expr),*}}) => {{
30
31           #[allow(unused_mut)]
32        let mut properties  = ::std::collections::HashMap::<String,$crate::Property>::new();
33            $(
34                let p = Property::new($key.into(),$value.into());
35                properties.insert($key.into(),p);
36            )*
37        $crate::Edge::new($id.into(), $label, $inVId.into(),$inVLabel,$outVId.into(),$outVLabel,properties)
38    }};
39}
40
41#[cfg(test)]
42mod test {
43    use std::collections::HashMap;
44    use {crate::Vertex, crate::VertexProperty};
45
46    #[test]
47    fn vertex_macro() {
48        let v1 = vertex!({
49            id => 1,
50            label => "Person",
51            properties => {
52
53            }
54        });
55
56        assert_eq!(v1, Vertex::new(1.into(), "Person", HashMap::new()));
57    }
58
59    #[test]
60    fn vertex_macro_with_properties() {
61        let v1 = vertex!({
62            id => 1,
63            label => "Person",
64            properties => {
65                "name" => [ { id => 1, value => "Enrico"}]
66            }
67        });
68
69        let mut properties = HashMap::new();
70        properties.insert(
71            String::from("name"),
72            vec![VertexProperty::new(1, "name", "Enrico")],
73        );
74
75        assert_eq!(v1, Vertex::new(1.into(), "Person", properties));
76    }
77}
gremlin_client/structure/macros.rs

gremlin_client/structure/
macros.rs
