Implement toString in OpticalConnectivityIntent

Change-Id: I0035c8cdd9f909af24a47b0db04d306c33aa8c44

@@ -15,11 +15,12 @@
  */
 package org.onosproject.net.intent;
 
-import java.util.Collections;
-
+import com.google.common.base.MoreObjects;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.net.ConnectPoint;
 
+import java.util.Collections;
+
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
@@ -147,4 +148,17 @@ public final class OpticalConnectivityIntent extends Intent {
     public ConnectPoint getDst() {
         return dst;
     }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("id", id())
+                .add("key", key())
+                .add("appId", appId())
+                .add("priority", priority())
+                .add("resources", resources())
+                .add("src", src)
+                .add("dst", dst)
+                .toString();
+    }
 }