1 files changed, 33 insertions, 0 deletions
diff --git a/src/main/java/derms/net/runicast/Message.java b/src/main/java/derms/net/runicast/Message.java
new file mode 100644
index 0000000..802cdb5
--- /dev/null
+++ b/src/main/java/derms/net/runicast/Message.java
@@ -0,0 +1,33 @@
+package derms.net.runicast;
+
+import derms.net.MessagePayload;
+
+import java.io.Serializable;
+
+class Message<T extends MessagePayload> implements Serializable {
+    final long seq; // Sequence number.
+    final T payload;
+
+    Message(long seq, T payload) {
+        this.seq = seq;
+        this.payload = payload;
+    }
+
+    @Override
+    public int hashCode() { return (int) seq * payload.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.payload.equals(this.payload);
+    }
+
+    @Override
+    public String toString() { return getClass().getSimpleName() + "{" + seq + ", " + payload + "}"; }
+}