Added validation for measurement name

Author: mvadu

AdysTech.InfluxDB.Client.Net/InfluxDatapoint.cs

@@ -59,6 +59,48 @@ public InfluxDatapoint()
             }
         }
 
+        /// <summary>
+        /// Initializes tags with a preexisitng dictionary
+        /// </summary>
+        /// <param name="tags">Dictionary of tag/value pairs</param>
+        /// <returns>True:Success, False:Failure</returns>
+        public bool InitializeTags(IDictionary<string, string> tags)
+        {
+            if ( Tags.Count > 0 )
+                throw new InvalidOperationException ("Tags can be initialized only when the collection is empty");
+            try
+            {
+                Tags = new Dictionary<string, string> (tags);
+                return true;
+            }
+            catch ( Exception)
+            {
+                Tags = new Dictionary<string, string> ();
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Initializes fields with a preexisting dictionary
+        /// </summary>
+        /// <param name="fields">Dictionary of Field/Value pairs</param>
+        /// <returns>True:Success, False:Failure</returns>
+        public bool InitializeFields(IDictionary<string, T> fields)
+        {
+            if ( Fields.Count > 0 )
+                throw new InvalidOperationException ("Fields can be initialized only when the collection is empty");
+            try
+            {
+                Fields = new Dictionary<string, T> (fields);
+                return true;
+            }
+            catch ( Exception)
+            {
+                Fields = new Dictionary<string, T> ();
+                return false;
+            }
+        }
+
         /// <summary>
         /// Returns the string representing the point in InfluxDB Line protocol
         /// </summary>
@@ -68,6 +110,8 @@ public string ConvertToInfluxLineProtocol()
         {
             if ( Fields.Count == 0 )
                 throw new InvalidOperationException ("InfluxDB needs atleast one field in a line");
+            if ( String.IsNullOrWhiteSpace (MeasurementName) )
+                throw new InvalidOperationException ("InfluxDB needs a measurement name to accept a point");
 
             var line = new StringBuilder ();
             line.AppendFormat ("{0}", MeasurementName);