[ONOS-2499]update accordingly for ONOS-2408's review recommendation
Change-Id: I24e7c4acbe38e4286b994c5bf50d22def945fb29
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/message/MonitorRequest.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/message/MonitorRequest.java
index e2176ae..e7f5eae 100644
--- a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/message/MonitorRequest.java
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/message/MonitorRequest.java
@@ -42,9 +42,9 @@
*/
public MonitorRequest(String tableName, Set<String> columns,
MonitorSelect select) {
- checkNotNull(tableName, "tableName is not null");
- checkNotNull(columns, "columns is not null");
- checkNotNull(select, "select is not null");
+ checkNotNull(tableName, "table name cannot be null");
+ checkNotNull(columns, "columns cannot be null");
+ checkNotNull(select, "select cannot be null");
this.tableName = tableName;
this.columns = columns;
this.select = select;