Fixing 4 javadoc warnings in onos-api

Change-Id: Ib9fe457b463adfb81b5f8a601ce67eb11575f439
diff --git a/core/api/src/main/java/org/onosproject/net/intent/OpticalCircuitIntent.java b/core/api/src/main/java/org/onosproject/net/intent/OpticalCircuitIntent.java
index 6e0f6eb..503c4ca 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/OpticalCircuitIntent.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/OpticalCircuitIntent.java
@@ -43,6 +43,7 @@
      * @param src the source transponder port
      * @param dst the destination transponder port
      * @param signalType ODU signal type
+     * @param isBidirectional indicate if intent is bidirectional
      * @param priority priority to use for flows from this intent
      */
     protected OpticalCircuitIntent(ApplicationId appId, Key key, ConnectPoint src, ConnectPoint dst,
diff --git a/core/api/src/main/java/org/onosproject/net/intent/OpticalConnectivityIntent.java b/core/api/src/main/java/org/onosproject/net/intent/OpticalConnectivityIntent.java
index fee65ee..9197ce6 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/OpticalConnectivityIntent.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/OpticalConnectivityIntent.java
@@ -42,6 +42,7 @@
      * @param key intent key
      * @param src the source transponder port
      * @param dst the destination transponder port
+     * @param signalType signal type
      * @param isBidirectional indicates if intent is unidirectional
      * @param priority priority to use for flows from this intent
      */
diff --git a/core/api/src/main/java/org/onosproject/net/intent/OpticalPathIntent.java b/core/api/src/main/java/org/onosproject/net/intent/OpticalPathIntent.java
index 0dfb77f..1fee24e 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/OpticalPathIntent.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/OpticalPathIntent.java
@@ -156,6 +156,8 @@
 
         /**
          * Sets the intent's direction.
+         *
+         * @param isBidirectional indicates if intent is bidirectional
          * @return this builder
          */
         public Builder bidirectional(boolean isBidirectional) {