1 files changed, 40 insertions, 0 deletions
diff --git a/src/main/java/derms/net/tomulticast/Message.java b/src/main/java/derms/net/tomulticast/Message.java
new file mode 100644
index 0000000..035e968
--- /dev/null
+++ b/src/main/java/derms/net/tomulticast/Message.java
@@ -0,0 +1,40 @@
+package derms.net.tomulticast;
+
+import derms.net.rmulticast.MessagePayload;
+
+class Message<T extends MessagePayload> implements MessagePayload {
+    long seq; // Sequence number.
+    T payload;
+
+    Message(long seq, T payload) {
+        this.seq = seq;
+        this.payload = payload;
+    }
+
+    @Override
+    public int hash() {
+        return (int) seq * payload.hash();
+    }
+
+    @Override
+    public int hashCode() {
+        return hash();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null)
+            return false;
+        if (obj.getClass() != this.getClass())
+            return false;
+        Message<?> other = (Message<?>) obj;
+        if (other.payload.getClass() != this.payload.getClass())
+            return false;
+        return other.seq == this.seq && other.hash() == this.hash();
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "{" + seq + ", " + payload + "}";
+    }
+}