added more fields to RunConfig

src/TensorFlowNET.Core/Estimators/RunConfig.cs

@@ -4,8 +4,63 @@ namespace Tensorflow.Estimators
 {
     public class RunConfig
     {
+        // A list of the property names in RunConfig that the user is allowed to change.
+        private static readonly string[] _DEFAULT_REPLACEABLE_LIST = new []
+        {
+            "model_dir",
+            "tf_random_seed",
+            "save_summary_steps",
+            "save_checkpoints_steps",
+            "save_checkpoints_secs",
+            "session_config",
+            "keep_checkpoint_max",
+            "keep_checkpoint_every_n_hours",
+            "log_step_count_steps",
+            "train_distribute",
+            "device_fn",
+            "protocol",
+            "eval_distribute",
+            "experimental_distribute",
+            "experimental_max_worker_delay_secs",
+            "session_creation_timeout_secs"
+        };
+
+
+        #region const values
+
+        private const string _SAVE_CKPT_ERR = "`save_checkpoints_steps` and `save_checkpoints_secs` cannot be both set.";
+        private const string _TF_CONFIG_ENV = "TF_CONFIG";
+        private const string _TASK_ENV_KEY = "task";
+        private const string _TASK_TYPE_KEY = "type";
+        private const string _TASK_ID_KEY = "index";
+        private const string _CLUSTER_KEY = "cluster";
+        private const string _SERVICE_KEY = "service";
+        private const string _SESSION_MASTER_KEY = "session_master";
+        private const string _EVAL_SESSION_MASTER_KEY = "eval_session_master";
+        private const string _MODEL_DIR_KEY = "model_dir";
+        private const string _LOCAL_MASTER = "";
+        private const string _GRPC_SCHEME = "grpc://";
+
+        #endregion
+
+        private static readonly object _USE_DEFAULT = new object();
+
         public string model_dir { get; set; }
         public ConfigProto session_config { get; set; }
+        public int tf_random_seed { get; set; }        
+        public int save_summary_steps { get; set; } = 100;
+        public object save_checkpoints_steps { get; set; } = _USE_DEFAULT;
+        public object save_checkpoints_secs { get; set; } = _USE_DEFAULT;
+        public int keep_checkpoint_max { get; set; } = 5;        
+        public int keep_checkpoint_every_n_hours { get; set; } = 10000;         
+        public int log_step_count_steps{ get; set; } = 100;
+        public object train_distribute { get; set; }
+        public object device_fn { get; set; }
+        public object protocol { get; set; }
+        public object eval_distribute { get; set; }
+        public object experimental_distribute { get; set; }
+        public object experimental_max_worker_delay_secs { get; set; }
+        public int session_creation_timeout_secs  { get; set; } = 7200;
 
         public RunConfig(string model_dir)
         {