ONOS-3200 unify code formation and fix grammar problem

Change-Id: I84c7da38790600946a9e3e97ddf9dfe01b4ab92b

@@ -48,7 +48,7 @@ public final class OvsdbEvent<S> {
     }
 
     /**
-     * Returns the type of the event.
+     * Returns the type of event.
      *
      * @return event type
      */
@@ -57,7 +57,7 @@ public final class OvsdbEvent<S> {
     }
 
     /**
-     * Returns the subject of the event.
+     * Returns the subject of event.
      *
      * @return subject to which this event pertains
      */

@@ -22,8 +22,8 @@ import java.util.Objects;
 import org.onlab.packet.IpAddress;
 
 /**
- * The class representing a OpenStack Compute or Network nodeId. This class is
- * immutable.
+ * The class representing a OpenStack Compute or Network nodeId.
+ * This class is immutable.
  */
 public final class OvsdbNodeId {
     private static final String SCHEME = "ovsdb";
@@ -31,7 +31,7 @@ public final class OvsdbNodeId {
     private final String ipAddress;
 
     /**
-     * Creates a new node identifier from a IpAddress ipAddress, a long port.
+     * Creates a new node identifier from an IpAddress ipAddress, a long port.
      *
      * @param ipAddress node IP address
      * @param port node port

@@ -21,14 +21,15 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import java.util.Objects;
 
 /**
- * The class representing a port type. This class is immutable.
+ * The class representing a port type.
+ * This class is immutable.
  */
 public class OvsdbPortType {
 
     private final String value;
 
     /**
-     * Constructor from a String port type.
+     * Constructor from a String.
      *
      * @param value the port type to use
      */
@@ -38,9 +39,9 @@ public class OvsdbPortType {
     }
 
     /**
-     * Gets the value of the port type.
+     * Gets the value of port type.
      *
-     * @return the value of the port type
+     * @return the value of port type
      */
     public String value() {
         return value;