Changes to the model for pushing reactive flows. When we get a packet-in we now only check src_mac and dst_mac to see if a flow is already in the network. Also we have implemented flow-removed notifications from the FlowManager to have better accounting of the flows in the network at the Forwarding level
diff --git a/src/main/java/net/onrc/onos/ofcontroller/util/CallerId.java b/src/main/java/net/onrc/onos/ofcontroller/util/CallerId.java
index 0607533..ec18f09 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/util/CallerId.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/util/CallerId.java
@@ -12,6 +12,14 @@
      * Default constructor.
      */
     public CallerId() {}
+    
+    /**
+     * Copy constructor
+     * @param otherCallerId
+     */
+    public CallerId(CallerId otherCallerId) {
+    value = otherCallerId.value;
+    }
 
     /**
      * Constructor from a string value.
@@ -49,4 +57,20 @@
     public String toString() {
 	return value;
     }
+    
+    @Override
+    public boolean equals(Object other) {
+    if (!(other instanceof CallerId)) {
+        return false;
+    }
+    
+    CallerId otherCallerId = (CallerId) other;
+    
+    return value.equals(otherCallerId.value);
+    }
+    
+    @Override
+    public int hashCode() {
+    return value.hashCode();
+    }
 }