TotalOrderMulticastSender

1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/java/derms/net/tomulticast/TotalOrderMulticastSender.java b/src/main/java/derms/net/tomulticast/TotalOrderMulticastSender.java
new file mode 100644
index 0000000..63498a6
--- /dev/null
+++ b/src/main/java/derms/net/tomulticast/TotalOrderMulticastSender.java
@@ -0,0 +1,31 @@
+package derms.net.tomulticast;
+
+import derms.net.rmulticast.MessagePayload;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+
+/**
+ * The single sending process in a {@link TotalOrderMulticast} group. <b>Only one sender is
+ *  allowed per group.</b>
+ */
+public class TotalOrderMulticastSender<T extends MessagePayload> extends TotalOrderMulticast<T> {
+    /**
+     * Join the specified totally-ordered multicast group as its lone sender.
+     *
+     * @param group The IP address and port of the multicast group to join.
+     * @param laddr The IP address of the local process.
+     */
+    public TotalOrderMulticastSender(InetSocketAddress group, InetAddress laddr) throws IOException {
+        super(group, laddr);
+    }
+
+    /** Send a message to the group. */
+    public void send(T payload) throws IOException {
+        Message<T> msg = new Message<T>(seq, payload);
+        sock.send(msg);
+        incSeq();
+        log.info("Sent " + msg + " from " + sock + " to " + group);
+    }
+}