Merge "Initial version of the district network Routes view."

[simantics/district.git] / org.simantics.district.route / src / org / simantics / district / route / RouteJob.java

diff --git a/org.simantics.district.route/src/org/simantics/district/route/RouteJob.java b/org.simantics.district.route/src/org/simantics/district/route/RouteJob.java
new file mode 100644 (file)
index 0000000..8441493
--- /dev/null
+++ b/org.simantics.district.route/src/org/simantics/district/route/RouteJob.java
@@ -0,0 +1,60 @@
+package org.simantics.district.route;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.CompletableFuture;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.simantics.ObjectIdentitySchedulingRule;
+import org.simantics.db.Resource;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.district.route.internal.Activator;
+import org.simantics.district.route.internal.RoutePersistence;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 6.09
+ */
+public class RouteJob extends Job {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(RouteJob.class);
+
+    private RouterConfiguration config;
+    private List<Resource> waypoints;
+    private CompletableFuture<List<Variable>> callback;
+
+    public RouteJob(RouterConfiguration config, Route route, CompletableFuture<List<Variable>> callback) {
+        super("Compute route");
+        Objects.requireNonNull(callback, "Callback must be non-null");
+        setUser(true);
+        setRule(new ObjectIdentitySchedulingRule(route));
+        this.config = config;
+        this.waypoints = RoutePersistence.toResources(route.waypoints());
+        this.callback = callback;
+    }
+
+    @Override
+    protected IStatus run(IProgressMonitor monitor) {
+        List<Router> routers = Activator.getInstance().getRouteService().routers();
+        for (Router router : routers) {
+            try {
+                List<Variable> path = router.findShortestPath(config, waypoints);
+                if (!path.isEmpty()) {
+                    callback.complete(path);
+                    return Status.OK_STATUS;
+                }
+            } catch (RoutingException e) {
+                LOGGER.error("Routing failed for waypoints {} and router {}", waypoints, router, e);
+                callback.completeExceptionally(e);
+            }
+        }
+        LOGGER.info("No router could calculate route between waypoints {}. Available routers: {}", waypoints, routers);
+        return Status.OK_STATUS;
+    }
+
+}