Filter posts and replies from the future.

[Sone.git] / src / main / java / net / pterodactylus / sone / data / Reply.java

diff --git a/src/main/java/net/pterodactylus/sone/data/Reply.java b/src/main/java/net/pterodactylus/sone/data/Reply.java
index 4429abf..2dacfbe 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/Reply.java
+++ b/src/main/java/net/pterodactylus/sone/data/Reply.java
@@ -17,8 +17,11 @@
 
 package net.pterodactylus.sone.data;
 
+import java.util.Comparator;
 import java.util.UUID;
 
+import net.pterodactylus.util.filter.Filter;
+
 /**
  * A reply is like a {@link Post} but can never be posted on its own, it always
  * refers to another {@link Post}.
@@ -27,20 +30,40 @@ import java.util.UUID;
  */
 public class Reply {
 
+       /** Comparator that sorts replies ascending by time. */
+       public static final Comparator<Reply> TIME_COMPARATOR = new Comparator<Reply>() {
+
+               @Override
+               public int compare(Reply leftReply, Reply rightReply) {
+                       return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime()));
+               }
+
+       };
+
+       /** Filter for replies with timestamps from the future. */
+       public static final Filter<Reply> FUTURE_REPLIES_FILTER = new Filter<Reply>() {
+
+               @Override
+               public boolean filterObject(Reply reply) {
+                       return reply.getTime() <= System.currentTimeMillis();
+               }
+
+       };
+
        /** The ID of the reply. */
        private final UUID id;
 
        /** The Sone that posted this reply. */
-       private Sone sone;
+       private volatile Sone sone;
 
        /** The Post this reply refers to. */
-       private Post post;
+       private volatile Post post;
 
        /** The time of the reply. */
-       private long time;
+       private volatile long time;
 
        /** The text of the reply. */
-       private String text;
+       private volatile String text;
 
        /**
         * Creates a new reply.