Make example wait so it can process before getting the shutdown signal

examples/process-jobs/src/main.rs

@@ -1,6 +1,8 @@
 #[macro_use]
 extern crate serde_derive;
 
+use std::time::Duration;
+
 use failure::Error;
 use futures::{
     future::{lazy, IntoFuture},
@@ -42,8 +44,9 @@ fn main() {
     dotenv::dotenv().ok();
     env_logger::init();
 
-    tokio::run(lazy(|| {
-        let mut runner = JobRunner::new(1234, 8, "example-db");
+    tokio::run(
+        lazy(|| {
+            let mut runner = JobRunner::new(1234, 4, "example-db");
             runner.register_processor(MyProcessor);
 
             let handle = runner.spawn();
@@ -65,6 +68,26 @@ fn main() {
                     some_usize: 8,
                     other_usize: 13,
                 },
+                MyJobArguments {
+                    some_usize: 21,
+                    other_usize: 34,
+                },
+                MyJobArguments {
+                    some_usize: 55,
+                    other_usize: 89,
+                },
+                MyJobArguments {
+                    some_usize: 144,
+                    other_usize: 233,
+                },
+                MyJobArguments {
+                    some_usize: 377,
+                    other_usize: 610,
+                },
+                MyJobArguments {
+                    some_usize: 987,
+                    other_usize: 1597,
+                },
             ];
 
             let _: Vec<_> = jobs
@@ -78,6 +101,15 @@ fn main() {
                 })
                 .collect();
 
-        Ok(())
-    }));
+            Ok(handle)
+        })
+        .and_then(|handle| {
+            tokio::timer::Delay::new(tokio::clock::now() + Duration::from_secs(2))
+                .map(move |_| {
+                    let _ = handle;
+                    ()
+                })
+                .map_err(|_| ())
+        }),
+    );
 }