X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPostReply.java;h=1dc5f44a5fcbc655afab6b028cdad5d67efe100b;hp=36921dd97a9f033e19ad4fcbed44e8aaedd579fa;hb=ea61478af3186d881afae3b6d08efb29fbc2fe65;hpb=9e8b1de83b5791778788406edbba9ed6d256a63f

diff --git a/src/main/java/net/pterodactylus/sone/data/PostReply.java b/src/main/java/net/pterodactylus/sone/data/PostReply.java
index 36921dd..1dc5f44 100644
--- a/src/main/java/net/pterodactylus/sone/data/PostReply.java
+++ b/src/main/java/net/pterodactylus/sone/data/PostReply.java
@@ -17,6 +17,9 @@
 
 package net.pterodactylus.sone.data;
 
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+
 /**
  * A reply is like a {@link Post} but can never be posted on its own, it always
  * refers to another {@link Post}.
@@ -26,6 +29,18 @@ package net.pterodactylus.sone.data;
 public interface PostReply extends Reply<PostReply> {
 
 	/**
+	 * Filter that selects {@link PostReply}s that have a
+	 * {@link Optional#isPresent() present} {@link #getPost() post}.
+	 */
+	public static final Predicate<PostReply> HAS_POST_FILTER = new Predicate<PostReply>() {
+
+		@Override
+		public boolean apply(PostReply postReply) {
+			return postReply.getPost().isPresent();
+		}
+	};
+
+	/**
 	 * Returns the ID of the post this reply refers to.
 	 *
 	 * @return The ID of the post this reply refers to