chore: import upstream snapshot with attribution

libnd4j/include/graph/ExecutionResult.h

@@ -0,0 +1,97 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// @author raver119@gmail.com
+//
+
+#ifndef LIBND4J_EXECUTION_RESULT
+#define LIBND4J_EXECUTION_RESULT
+#include <flatbuffers/flatbuffers.h>
+#include <graph/Variable.h>
+
+#include <initializer_list>
+#include <map>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace sd {
+namespace graph {
+class ExecutionResult {
+ private:
+  std::vector<Variable *> _variables;
+  SD_MAP_IMPL<std::string, Variable *> _stringIdMap;
+  SD_MAP_IMPL<std::pair<int, int>, Variable *> _pairIdMap;
+
+  // this flag is used to optionally release variables
+  bool _releasable = false;
+
+ public:
+  ExecutionResult(const ::graph::FlatResult *flatResult);
+  ExecutionResult(std::initializer_list<Variable *> variables);
+  ExecutionResult() = default;
+  ~ExecutionResult();
+
+  /**
+   * This method adds variable pointer to result
+   */
+  void emplace_back(Variable *variable);
+
+  /**
+   * This method returns Variable by its position in output
+   */
+  Variable *at(int position);
+
+  /**
+   * This method returns Variable by its string id
+   */
+  Variable *byId(std::string &id);
+
+  /**
+   * This method returns Variable by its string id
+   */
+  Variable *byId(const char *str);
+
+  /**
+   * This method returns Variable by its numeric id:index pair
+   */
+  Variable *byId(std::pair<int, int> &id);
+
+  /**
+   * This method returns Variable by its numeric id with index 0
+   */
+  Variable *byId(int id);
+
+  /**
+   * This method returns number of elements stored in this entity
+   * @return
+   */
+  LongType size();
+
+#ifndef __JAVACPP_HACK__
+  /**
+   * This method converts ExecutionResult entity to FlatResult
+   */
+  flatbuffers::Offset<::graph::FlatResult> asFlatResult(flatbuffers::FlatBufferBuilder &builder);
+#endif
+};
+}  // namespace graph
+}  // namespace sd
+
+#endif