1 files changed, 10 insertions, 4 deletions

diff --git a/src/main/java/IChannelNode.java b/src/main/java/IChannelNode.java
index 463f3ac..baf7572 100644
--- a/src/main/java/IChannelNode.java
+++ b/src/main/java/IChannelNode.java
@@ -1,14 +1,19 @@
 import java.util.List;
 import java.util.Map;
 
-public interface IChannelNode {
+public interface IChannelNode extends Comparable<IChannelNode> {
     enum Direction {
-        INCOMING,
-        OUTGOING,
-        BOTH
+        INCOMING(0),   // Users incoming from outside channel (aka: other channel forwarded this channel's post)
+        OUTGOING(1),   // Users outgoing from this channel (aka: this channel forwarded someone else's post)
+        BOTH(2);       // Modify both incoming and outgoing counts at once
+
+        private final int val;
+        Direction(int val) {this.val = val;}
+        public int getVal() {return this.val;}
     }
 
     void setConnections(Map<IChannelNode, Integer> conmap, Direction dir);
+    void setNumConnections(IChannelNode node, Direction dir, int num);
     void addConnection(IChannelNode node, Direction dir);
     void addConnections(Iterable<IChannelNode> nodes, Direction dir);
     void removeConnection(IChannelNode node, Direction dir);
@@ -16,6 +21,7 @@ public interface IChannelNode {
     void clearConnections(Direction dir);
 
     boolean connectionExists(IChannelNode node, Direction dir);
+    int getNumConnections(Direction dir);
     Map<IChannelNode, Integer> getIncomingConnections();
     Map<IChannelNode, Integer> getOutgoingConnections();
     List<Map<IChannelNode, Integer>> getConnections(Direction dir);