From 65f48a512ad63802a2031e2452f18653bf770c4c Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Mon, 18 Nov 2024 11:05:28 -0500
Subject: rmulticast.ReceivedSet.Entry: add isBefore/After methods

---
 src/main/java/derms/net/rmulticast/ReceivedSet.java | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/main/java/derms/net/rmulticast/ReceivedSet.java b/src/main/java/derms/net/rmulticast/ReceivedSet.java
index 16b586b..5bd3d85 100644
--- a/src/main/java/derms/net/rmulticast/ReceivedSet.java
+++ b/src/main/java/derms/net/rmulticast/ReceivedSet.java
@@ -47,7 +47,7 @@ class ReceivedSet<T extends MessagePayload> {
     Message<T> peekOldest() {
         Entry<T> oldest = null;
         for (Entry<T> e : received.values())
-            if (oldest == null || e.timestamp.isBefore(oldest.timestamp))
+            if (oldest == null || e.isBefore(oldest))
                 oldest = e;
         if (oldest == null)
             return null;
@@ -57,7 +57,7 @@ class ReceivedSet<T extends MessagePayload> {
     Message<T> mostRecentSentBy(InetAddress member) throws NoSuchElementException {
         Entry<T> recent = null;
         for (Entry<T> e : received.values())
-            if (e.msg.isSentBy(member) && (recent == null || e.timestamp.isAfter(recent.timestamp)))
+            if (e.msg.isSentBy(member) && (recent == null || e.isAfter(recent)))
                 recent = e;
         if (recent == null)
             throw new NoSuchElementException("no message from " + member + " in received list.");
@@ -82,6 +82,14 @@ class ReceivedSet<T extends MessagePayload> {
             this.timestamp = Instant.now();
         }
 
+        private boolean isBefore(Entry<T> other) {
+            return this.timestamp.isBefore(other.timestamp);
+        }
+
+        private boolean isAfter(Entry<T> other) {
+            return this.timestamp.isAfter(other.timestamp);
+        }
+
         @Override
         public int hashCode() {
             return msg.hashCode();
-- 
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