Moved classes from messaging package to sync package.

briar-api/src/org/briarproject/api/sync/TransportUpdate.java

@@ -0,0 +1,36 @@
+package org.briarproject.api.sync;
+
+import org.briarproject.api.TransportId;
+import org.briarproject.api.TransportProperties;
+
+/**
+ * A packet updating the recipient's view of the sender's transport properties.
+ */
+public class TransportUpdate {
+
+	private final TransportId id;
+	private final TransportProperties properties;
+	private final long version;
+
+	public TransportUpdate(TransportId id, TransportProperties properties,
+			long version) {
+		this.id = id;
+		this.properties = properties;
+		this.version = version;
+	}
+
+	/** Returns the identifier of the updated transport. */
+	public TransportId getId() {
+		return id;
+	}
+
+	/** Returns the transport's updated properties. */
+	public TransportProperties getProperties() {
+		return properties;
+	}
+
+	/** Returns the update's version number. */
+	public long getVersion() {
+		return version;
+	}
+}