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| 1 // Copyright (c) 2011 The Native Client Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be found | |
| 3 // in the LICENSE file. | |
| 4 | |
| 5 #ifndef EXPERIMENTAL_WEBGTT_TASKMAP_H_ | |
| 6 #define EXPERIMENTAL_WEBGTT_TASKMAP_H_ | |
| 7 | |
| 8 /// @fileoverview This file provides a utility class which instantiates a lookup | |
| 9 /// vector, each element of which provides information about the function to be | |
| 10 /// called, and the number of arguments needed for that function call, for a | |
| 11 /// specific taskID (that corresponds to a specific graph algorithm). | |
| 12 /// | |
| 13 /// @author ragad@google.com (Raga Gopalakrishnan) | |
| 14 | |
| 15 #include <boost/function.hpp> | |
| 16 | |
| 17 #include <string> | |
| 18 #include <vector> | |
| 19 | |
| 20 namespace graph { | |
| 21 class Graph; | |
| 22 } | |
| 23 | |
| 24 namespace webgtt { | |
| 25 | |
| 26 /// This constant specifies the maximum number of arguments that a graph | |
| 27 /// algorithm will ever need. | |
| 28 const int kMaxArgs = 10; | |
| 29 | |
| 30 /// This structure stores the information required to call a function that | |
| 31 /// implements a particular graph algorithm. | |
| 32 struct FunctionInfo { | |
| 33 /// The number of arguments that the graph algorithm would need to work. | |
| 34 int number_of_arguments; | |
| 35 /// The function that obtains the response string containing the formatted | |
| 36 /// output of the graph algorithm. | |
| 37 boost::function<std::string()> function_to_call; | |
| 38 }; | |
| 39 | |
| 40 /// The TaskMap class. This class initializes a vector of instances of the | |
| 41 /// FunctionInfo structure - one instance per task ID. The function call for a | |
| 42 /// particular task ID needs to be customized based on the input graph, and the | |
| 43 /// arguments, so the constructor takes these as parameters. | |
| 44 class TaskMap { | |
| 45 public: | |
| 46 /// The constructor takes in an input graph and a vector of arguments, and | |
| 47 /// initializes the lookup vector of FunctionInfo instances. | |
| 48 /// | |
| 49 /// @param[in] input_graph The input graph to be used in the function | |
| 50 /// bindings. | |
| 51 /// @param[in] args The vector of arguments from which the arguments to be | |
| 52 /// used in the function bindings are obtained. | |
| 53 /// @constructor | |
| 54 TaskMap(const graph::Graph& input_graph, const std::vector<int>& args); | |
| 55 | |
| 56 /// Accessor function for task_map. | |
| 57 const std::vector<FunctionInfo>& task_map() const { return task_map_; } | |
| 58 | |
| 59 private: | |
| 60 std::vector<FunctionInfo> task_map_; | |
| 61 /// This disallows usage of copy and assignment constructors. | |
| 62 TaskMap(const TaskMap&); | |
| 63 void operator=(const TaskMap&); | |
| 64 }; | |
| 65 | |
| 66 } // namespace webgtt | |
| 67 | |
| 68 #endif // EXPERIMENTAL_WEBGTT_TASKMAP_H_ | |
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Chromium Code Reviews
Issue 10928195:
First round of dead file removal (Closed)
Base URL: https://github.com/samclegg/nativeclient-sdk.git@master