From d0bd6c8ed4142c9b872c4875c02e599b61a38083 Mon Sep 17 00:00:00 2001
From: Stepan Henek <stepan@henek.name>
Date: Mon, 29 Jun 2020 00:11:37 +0200
Subject: [PATCH] fix: make matchers clonable

---
 streamson-lib/src/matcher/combinator.rs | 10 +++++-----
 streamson-lib/src/matcher/depth.rs      |  2 +-
 streamson-lib/src/matcher/simple.rs     |  2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/streamson-lib/src/matcher/combinator.rs b/streamson-lib/src/matcher/combinator.rs
index f3a4837..3aa123a 100644
--- a/streamson-lib/src/matcher/combinator.rs
+++ b/streamson-lib/src/matcher/combinator.rs
@@ -2,9 +2,9 @@
 
 use super::MatchMaker;
 use std::ops;
+use std::sync::Arc;
 
-#[derive(Debug)]
-
+#[derive(Debug, Clone)]
 /// Combines several matches together
 ///
 /// It implements normal boolean algebra
@@ -13,7 +13,7 @@ use std::ops;
 /// * `comb1 | comb2` at least one should pass
 pub enum Combinator {
     /// Represents the actual underlying matcher
-    Matcher(Box<dyn MatchMaker>),
+    Matcher(Arc<dyn MatchMaker + Sync>),
     /// Negates the expression
     Not(Box<Combinator>),
     /// Both expressions should be valid
@@ -38,8 +38,8 @@ impl Combinator {
     ///
     /// # Arguments
     /// * `matcher` - matcher to be wrapped
-    pub fn new(matcher: impl MatchMaker + 'static) -> Self {
-        Self::Matcher(Box::new(matcher))
+    pub fn new(matcher: impl MatchMaker + 'static + Sync) -> Self {
+        Self::Matcher(Arc::new(matcher))
     }
 }
 
diff --git a/streamson-lib/src/matcher/depth.rs b/streamson-lib/src/matcher/depth.rs
index 42debae..8129122 100644
--- a/streamson-lib/src/matcher/depth.rs
+++ b/streamson-lib/src/matcher/depth.rs
@@ -5,7 +5,7 @@ use super::MatchMaker;
 /// Based on actual path depth
 ///
 /// Path is matched when path depth is higher or equal min and lower or equal max (optional)
-#[derive(Default, Debug)]
+#[derive(Default, Debug, Clone)]
 pub struct Depth {
     min: usize,
     max: Option<usize>,
diff --git a/streamson-lib/src/matcher/simple.rs b/streamson-lib/src/matcher/simple.rs
index 07ae4bb..8b527bd 100644
--- a/streamson-lib/src/matcher/simple.rs
+++ b/streamson-lib/src/matcher/simple.rs
@@ -9,7 +9,7 @@ use std::str::FromStr;
 /// It matches {"People"}[0]{"Height"} - height of the first person
 /// It matches {"People"}[]{"Height"} - matches the height of all people
 /// It matches {"People"}[0]{} - matches all attributes of the first person
-#[derive(Default, Debug)]
+#[derive(Default, Debug, Clone)]
 pub struct Simple {
     path_expr: String,
 }