Moved ngraph::ngraph_error to ov::Exception (#7235)

ngraph/core/include/ngraph/except.hpp

@@ -4,22 +4,19 @@
 
 #pragma once
 
+#include <ngraph/deprecated.hpp>
 #include <ngraph/ngraph_visibility.hpp>
 #include <sstream>
 #include <stdexcept>
 
+#include "openvino/core/except.hpp"
+
 namespace ngraph {
 /// Base error for ngraph runtime errors.
-class NGRAPH_API ngraph_error : public std::runtime_error {
-public:
-    explicit ngraph_error(const std::string& what_arg) : std::runtime_error(what_arg) {}
+using ngraph_error = ov::Exception;
 
-    explicit ngraph_error(const char* what_arg) : std::runtime_error(what_arg) {}
-
-    explicit ngraph_error(const std::stringstream& what_arg) : std::runtime_error(what_arg.str()) {}
-};
-
-class NGRAPH_API unsupported_op : public std::runtime_error {
+class NGRAPH_DEPRECATED("This class is deprecated and will be removed soon.") NGRAPH_API unsupported_op
+    : public std::runtime_error {
 public:
     unsupported_op(const std::string& what_arg) : std::runtime_error(what_arg) {}
 };

ngraph/core/include/openvino/core/except.hpp

@@ -0,0 +1,23 @@
+// Copyright (C) 2018-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#pragma once
+
+#include <sstream>
+#include <stdexcept>
+
+#include "openvino/core/core_visibility.hpp"
+
+namespace ov {
+/// Base error for ov runtime errors.
+class OPENVINO_API Exception : public std::runtime_error {
+public:
+    explicit Exception(const std::string& what_arg) : std::runtime_error(what_arg) {}
+
+    explicit Exception(const char* what_arg) : std::runtime_error(what_arg) {}
+
+    explicit Exception(const std::stringstream& what_arg) : std::runtime_error(what_arg.str()) {}
+};
+
+}  // namespace ov

ngraph/test/backend/unhandled_op.in.cpp

@@ -38,6 +38,7 @@ constexpr NodeTypeInfo UnhandledOp::type_info;
 }  // namespace
 
 NGRAPH_TEST(${BACKEND_NAME}, unhandled_op) {
+    NGRAPH_SUPPRESS_DEPRECATED_START
     Shape shape{2, 2};
     auto A = make_shared<op::Parameter>(element::f32, shape);
     auto unhandled = make_shared<UnhandledOp>(A);
@@ -47,4 +48,5 @@ NGRAPH_TEST(${BACKEND_NAME}, unhandled_op) {
     shared_ptr<runtime::Tensor> a = backend->create_tensor<float>(shape);
     shared_ptr<runtime::Tensor> result = backend->create_tensor<float>(shape);
     ASSERT_THROW(auto handle = backend->compile(f); handle->call_with_validate({result}, {a}), unsupported_op);
+    NGRAPH_SUPPRESS_DEPRECATED_END
 }