Renamed registry and packet packages

net.onrc.onos.registry.controller.* => net.onrc.onos.core.registry.*
net.onrc.onos.packet => net.onrc.onos.core.packet

Change-Id: I595e325a2c0bab709f248dde5d84ff7b6185cf8b
diff --git a/src/main/java/net/onrc/onos/core/registry/ControllerRegistryEntry.java b/src/main/java/net/onrc/onos/core/registry/ControllerRegistryEntry.java
new file mode 100644
index 0000000..a4eee8a
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/registry/ControllerRegistryEntry.java
@@ -0,0 +1,27 @@
+package net.onrc.onos.core.registry;
+
+import org.codehaus.jackson.annotate.JsonProperty;
+
+
+public class ControllerRegistryEntry implements Comparable<ControllerRegistryEntry> {
+
+	private String controllerId;
+	private int sequenceNumber;
+	
+	public ControllerRegistryEntry(String controllerId, int sequenceNumber) {
+		this.controllerId = controllerId;
+		this.sequenceNumber = sequenceNumber;
+	}
+	
+	@JsonProperty("controllerId")
+	public String getControllerId(){
+		return controllerId;
+	}
+
+	@Override
+	public int compareTo(ControllerRegistryEntry o) {
+		return sequenceNumber - o.sequenceNumber;
+		//return 0;
+	}
+
+}