Improve logging.

[sonitus.git] / src / main / java / net / pterodactylus / sonitus / data / Pipeline.java

diff --git a/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java b/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
index 1487d13..ae4158d 100644 (file)
--- a/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
@@ -71,6 +71,21 @@ public class Pipeline implements Iterable<ControlledComponent> {
        private Pipeline(Source source, Multimap<Source, Sink> sinks) {
                this.source = Preconditions.checkNotNull(source, "source must not be null");
                this.sinks = Preconditions.checkNotNull(sinks, "sinks must not be null");
+               for (ControlledComponent component : Lists.reverse(components())) {
+                       logger.finest(String.format("Adding Listener to %s.", component.name()));
+                       component.addMetadataListener(new MetadataListener() {
+                               @Override
+                               public void metadataUpdated(ControlledComponent component, Metadata metadata) {
+                                       if (!(component instanceof Source)) {
+                                               return;
+                                       }
+                                       for (ControlledComponent controlledComponent : sinks((Source) component)) {
+                                               logger.fine(String.format("Updating Metadata from %s to %s as %s.", component.name(), controlledComponent.name(), metadata));
+                                               controlledComponent.metadataUpdated(metadata);
+                                       }
+                               }
+                       });
+               }
        }
 
        //
@@ -144,6 +159,7 @@ public class Pipeline implements Iterable<ControlledComponent> {
                        Collection<Sink> sinks = this.sinks.get(source);
                        connections.add(new Connection(source, sinks));
                        for (Sink sink : sinks) {
+                               logger.info(String.format("Opening %s with %s...", sink.name(), source.metadata()));
                                sink.open(source.metadata());
                                if (sink instanceof Filter) {
                                        sources.add((Source) sink);
@@ -151,7 +167,12 @@ public class Pipeline implements Iterable<ControlledComponent> {
                        }
                }
                for (Connection connection : connections) {
-                       logger.info(String.format("Starting Connection from %s to %s.", connection.source, connection.sinks));
+                       logger.info(String.format("Starting Connection from %s to %s.", connection.source.name(), FluentIterable.from(connection.sinks).transform(new Function<Sink, String>() {
+                               @Override
+                               public String apply(Sink sink) {
+                                       return sink.name();
+                               }
+                       })));
                        new Thread(connection).start();
                }
        }