serialize logic for reverse_sequence (#1125)

* serialize logic for reverse_sequence

* Added serializer support for Softmax

src/ngraph/serializer.cpp

@@ -72,6 +72,7 @@
 #include "ngraph/op/reshape.hpp"
 #include "ngraph/op/result.hpp"
 #include "ngraph/op/reverse.hpp"
+#include "ngraph/op/reverse_sequence.hpp"
 #include "ngraph/op/select.hpp"
 #include "ngraph/op/select_and_scatter.hpp"
 #include "ngraph/op/sign.hpp"
@@ -806,6 +807,13 @@ static shared_ptr<ngraph::Function>
                 auto reversed_axes = node_js.at("reversed_axes").get<set<size_t>>();
                 node = make_shared<op::Reverse>(args[0], reversed_axes);
             }
+            else if (node_op == "ReverseSequence")
+            {
+                auto batch_axis = node_js.at("batch_axis").get<size_t>();
+                auto sequence_axis = node_js.at("sequence_axis").get<size_t>();
+                node =
+                    make_shared<op::ReverseSequence>(args[0], args[1], batch_axis, sequence_axis);
+            }
             else if (node_op == "Select")
             {
                 node = make_shared<op::Select>(args[0], args[1], args[2]);
@@ -850,8 +858,8 @@ static shared_ptr<ngraph::Function>
             }
             else if (node_op == "Softmax")
             {
-                auto reduction_axes = node_js.at("reduction_axes").get<set<size_t>>();
-                node = make_shared<op::Softmax>(args[0], reduction_axes);
+                auto softmax_axes = node_js.at("softmax_axes").get<set<size_t>>();
+                node = make_shared<op::Softmax>(args[0], softmax_axes);
             }
             else if (node_op == "Sqrt")
             {
@@ -1238,6 +1246,12 @@ static json write(const Node& n, bool binary_constant_data)
         auto tmp = dynamic_cast<const op::Reverse*>(&n);
         node["reversed_axes"] = tmp->get_reversed_axes();
     }
+    else if (node_op == "ReverseSequence")
+    {
+        auto tmp = dynamic_cast<const op::ReverseSequence*>(&n);
+        node["batch_axis"] = tmp->get_batch_axis();
+        node["sequence_axis"] = tmp->get_sequence_axis();
+    }
     else if (node_op == "Select")
     {
     }
@@ -1276,6 +1290,11 @@ static json write(const Node& n, bool binary_constant_data)
         auto tmp = dynamic_cast<const op::Sum*>(&n);
         node["reduction_axes"] = tmp->get_reduction_axes();
     }
+    else if (node_op == "Softmax")
+    {
+        auto tmp = dynamic_cast<const op::Softmax*>(&n);
+        node["softmax_axes"] = tmp->get_axes();
+    }
     else if (node_op == "Tan")
     {
     }