X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsonitus%2Fdata%2FPipeline.java;h=9b6d1607cc64c3c60c1a057b91a37b410ecb7e23;hb=d77d156488f12a0f141a9be98ed23c2b9bee4f7a;hp=93648bc56c18136449512f4336ae464e8748394f;hpb=940ea8e8a65ad0d08fc2938b84a09b0e4c6b518c;p=sonitus.git

diff --git a/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java b/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
index 93648bc..9b6d160 100644
--- a/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/Pipeline.java
@@ -19,6 +19,7 @@ package net.pterodactylus.sonitus.data;
 
 import java.io.IOException;
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
@@ -33,6 +34,7 @@ import com.google.common.base.Preconditions;
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Multimap;
 import com.google.common.util.concurrent.MoreExecutors;
@@ -43,7 +45,7 @@ import com.google.common.util.concurrent.MoreExecutors;
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class Pipeline {
+public class Pipeline implements Iterable<Controlled> {
 
 	/** The logger. */
 	private static final Logger logger = Logger.getLogger(Pipeline.class.getName());
@@ -71,6 +73,32 @@ public class Pipeline {
 	}
 
 	//
+	// ACCESSORS
+	//
+
+	/**
+	 * Expose this pipeline’s source.
+	 *
+	 * @return This pipeline’s source
+	 */
+	public Source source() {
+		return source;
+	}
+
+	/**
+	 * Returns all {@link Sink}s (or {@link Filter}s, really) that are connected to
+	 * the given source.
+	 *
+	 * @param source
+	 * 		The source to get the sinks for
+	 * @return The sinks connected to the given source, or an empty list if the
+	 *         source does not exist in this pipeline
+	 */
+	public Collection<Sink> sinks(Source source) {
+		return sinks.get(source);
+	}
+
+	//
 	// ACTIONS
 	//
 
@@ -117,6 +145,15 @@ public class Pipeline {
 	}
 
 	//
+	// ITERABLE METHODS
+	//
+
+	@Override
+	public Iterator<Controlled> iterator() {
+		return ImmutableSet.<Controlled>builder().add(source).addAll(sinks.values()).build().iterator();
+	}
+
+	//
 	// STATIC METHODS
 	//
 
@@ -261,7 +298,14 @@ public class Pipeline {
 				try {
 					final Metadata lastMetadata = firstMetadata;
 					final Metadata metadata = firstMetadata = source.metadata();
-					final byte[] buffer = source.get(4096);
+					final byte[] buffer;
+					try {
+						logger.finest(String.format("Getting %d bytes from %s...", 4096, source));
+						buffer = source.get(4096);
+						logger.finest(String.format("Got %d bytes from %s.", buffer.length, source));
+					} catch (IOException ioe1) {
+						throw new IOException(String.format("I/O error while reading from %s.", source), ioe1);
+					}
 					List<Future<Void>> futures = executorService.invokeAll(FluentIterable.from(sinks).transform(new Function<Sink, Callable<Void>>() {
 
 						@Override
@@ -273,7 +317,13 @@ public class Pipeline {
 									if (!metadata.equals(lastMetadata)) {
 										sink.metadataUpdated(metadata);
 									}
-									sink.process(buffer);
+									try {
+										logger.finest(String.format("Sending %d bytes to %s.", buffer.length, sink));
+										sink.process(buffer);
+										logger.finest(String.format("Sent %d bytes to %s.", buffer.length, sink));
+									} catch (IOException ioe1) {
+										throw new IOException(String.format("I/O error while writing to %s", sink), ioe1);
+									}
 									return null;
 								}
 							};