Checkstyle and pmd fixes for new MatchAction service

Change-Id: I13efd4c7a29e19b782c126132d151ac377db3a4c
diff --git a/src/main/java/net/onrc/onos/core/matchaction/SwitchResult.java b/src/main/java/net/onrc/onos/core/matchaction/SwitchResult.java
index b5db2e8..7f9e18a 100644
--- a/src/main/java/net/onrc/onos/core/matchaction/SwitchResult.java
+++ b/src/main/java/net/onrc/onos/core/matchaction/SwitchResult.java
@@ -2,17 +2,34 @@
 
 import net.onrc.onos.core.util.Dpid;
 
+/**
+ * The result of applying a MatchAction operation to a switch.
+ */
 public class SwitchResult {
     private Dpid sw;
     private Status status;
     private MatchActionOperationsId matchSetId;
 
+    /**
+     * Status of the switch operation.
+     */
     public enum Status {
+        /** Installation of the MatchAction was successful. */
         SUCCESS,
+
+        /** Installation of the MatchAction failed. */
         FAILURE,
+
+        /** No status has been assigned. */
         UNKNOWN
     }
 
+    /**
+     * Creates a new SwitchResult object.
+     *
+     * @param match identifier for MatchActionsOperations that was requested
+     * @param sw Dpid of the switch that the operations were applied to
+     */
     protected SwitchResult(MatchActionOperationsId match, Dpid sw) {
         this.sw = sw;
         this.status = Status.UNKNOWN;
@@ -23,21 +40,41 @@
      * no-arg constructor for Kryo.
      */
     protected SwitchResult() {
-
+        // Needed for Kryo
     }
 
+    /**
+     * Sets the status of the SwitchResult.
+     *
+     * @param newStatus new status
+     */
     protected void setStatus(Status newStatus) {
         this.status = newStatus;
     }
 
+    /**
+     * Gets the status of the SwitchResult.
+     *
+     * @return status
+     */
     protected Status getStatus() {
         return this.status;
     }
 
+    /**
+     * Gets the identifier for the set of operations that was requested.
+     *
+     * @return MatchActionOperationsId of the requested set of operations
+     */
     protected MatchActionOperationsId getMatchActionOperationsId() {
         return this.matchSetId;
     }
 
+    /**
+     * Gets the identifier for the switch that was requested.
+     *
+     * @return Dpid of the requested switch
+     */
     protected Dpid getSwitch() {
         return this.sw;
     }