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< a href = "solver__interface_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_MATH_OPT_CORE_SOLVER_INTERFACE_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_MATH_OPT_CORE_SOLVER_INTERFACE_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < functional> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_map.h" < / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " absl/status/status.h" < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " absl/status/statusor.h" < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " absl/synchronization/mutex.h" < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " ortools/math_opt/callback.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "preprocessor" > #include " ortools/math_opt/model.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "preprocessor" > #include " ortools/math_opt/model_parameters.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "preprocessor" > #include " ortools/math_opt/model_update.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " ortools/math_opt/parameters.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "preprocessor" > #include " ortools/math_opt/result.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "keyword" > namespace < / span > math_opt {< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // Interface implemented by actual solvers.< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "comment" > // This interface is not meant to be used directly. The actual API is the one of< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "comment" > // the Solver class. The Solver class validates the models before calling this< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // interface.< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > // Implementations of this interface should not have public constructors but< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > // instead have a static `New` function with the signature of Factory function< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > // as defined below. They should register this factory using the macro< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // MATH_OPT_REGISTER_SOLVER().< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > 46< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > SolverInterface< / a > {< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // A callback function (if non null) is a function that validates its input< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // and its output, and if fails, return a status. The invariant is that the< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "comment" > // solver implementation can rely on receiving valid data. The implementation< / span > < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < span class = "comment" > // of this interface must provide valid input (which will be validated) and< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // in error, it will return a status (without actually calling the callback< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // function). This is enforced in the solver.cc layer.< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb" > 54< / a > < / span > < span class = "keyword" > using< / span > < a class = "code hl_typedef" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb" > Callback< / a > = std::function< absl::StatusOr< CallbackResultProto> (< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keyword" > const< / span > CallbackDataProto& )> ;< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "comment" > // A factory builds a solver based on the input model and parameters.< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "comment" > // Implementation should have a static `New()` function with this signature< / span > < / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "comment" > // and no public constructors.< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // The implementation should assume the input ModelProto is valid and is free< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // to CHECK-fail if this is not the case.< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad44289e368657b6706160eae15313ae6" > 64< / a > < / span > < span class = "keyword" > using< / span > < a class = "code hl_typedef" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad44289e368657b6706160eae15313ae6" > Factory< / a > =< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > std::function< absl::StatusOr< std::unique_ptr< SolverInterface> > (< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keyword" > const< / span > ModelProto& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < span class = "keyword" > const< / span > SolverInitializerProto& initializer)> ;< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad1e9901f628f2e89a05af97d0dd4c57c" > 68< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad1e9901f628f2e89a05af97d0dd4c57c" > SolverInterface< / a > () = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ae9b1880991b1fc732485c99036790983" > 69< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ae9b1880991b1fc732485c99036790983" > SolverInterface< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > SolverInterface< / a > & ) = < span class = "keyword" > delete< / span > ;< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a1c13d92bfd97bfc6825f7de8cde8997b" > 70< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > SolverInterface< / a > & < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a1c13d92bfd97bfc6825f7de8cde8997b" > operator=< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > SolverInterface< / a > & ) = < span class = "keyword" > delete< / span > ;< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a6e8dbe2e0376ea1072889f124347c7df" > 71< / a > < / span > < span class = "keyword" > virtual< / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a6e8dbe2e0376ea1072889f124347c7df" > ~SolverInterface< / a > () = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "comment" > // Solves the current model (included all updates).< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // All input arguments are ensured (by solver.cc) to be valid. Furthermore,< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "comment" > // since all parameters are references or functions (which could be a lambda< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "comment" > // expression), the implementation should not keep a reference or copy of< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // them, as they may become invalid reference after the invocation if this< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "comment" > // function.< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a9030d622469d1d352ef62aae6bff7c5d" > 80< / a > < / span > < span class = "keyword" > virtual< / span > absl::StatusOr< SolveResultProto> < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a9030d622469d1d352ef62aae6bff7c5d" > Solve< / a > (< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keyword" > const< / span > SolveParametersProto& < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > ,< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "keyword" > const< / span > ModelSolveParametersProto& model_parameters,< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keyword" > const< / span > CallbackRegistrationProto& callback_registration, < a class = "code hl_typedef" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb" > Callback< / a > cb) = 0;< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "comment" > // Updates the model to solve.< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < span class = "comment" > // The implementation should assume the input ModelUpdate is valid and is free< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "comment" > // to assert if this is not the case.< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a0b2421a582a4317b26d0446781119f4d" > 89< / a > < / span > < span class = "keyword" > virtual< / span > absl::Status < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a0b2421a582a4317b26d0446781119f4d" > Update< / a > (< span class = "keyword" > const< / span > ModelUpdateProto& model_update) = 0;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "comment" > // Return true if this solver can handle the given update.< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "comment" > // The implementation should assume the input ModelUpdate is valid and is free< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "comment" > // to assert if this is not the case.< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad8b1e514f2b213b3fd4085683d20ff54" > 95< / a > < / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad8b1e514f2b213b3fd4085683d20ff54" > CanUpdate< / a > (< span class = "keyword" > const< / span > ModelUpdateProto& model_update) = 0;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > };< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > 98< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > {< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a157c3997d9a0b7a1b789f447273b83ea" > 100< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a157c3997d9a0b7a1b789f447273b83ea" > AllSolversRegistry< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > & ) = < span class = "keyword" > delete< / span > ;< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#aa9032e3fbde11f67eec1588456e408e9" > 101< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > & < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#aa9032e3fbde11f67eec1588456e408e9" > operator=< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > & ) = < span class = "keyword" > delete< / span > ;< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "keyword" > static< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > * < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ab14e7952908d0b84f0229f4facac936c" > Instance< / a > ();< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "comment" > // Maps the given factory to the given solver type. Calling this twice will< / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "comment" > // result in an error, using static initialization is recommended, e.g. see< / span > < / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "comment" > // MATH_OPT_REGISTER_SOLVER defined below.< / span > < / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "comment" > // Required: factory must be threadsafe.< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ad14cff326f6d83749e274d8b4b09b031" > Register< / a > (SolverType solver_type, < a class = "code hl_typedef" href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad44289e368657b6706160eae15313ae6" > SolverInterface::Factory< / a > factory);< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "comment" > // Invokes the factory associated to the solver type with the provided< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "comment" > // arguments.< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > absl::StatusOr< std::unique_ptr< SolverInterface> > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ae1a34fd7a48051d9f87f2703c4e6afcf" > Create< / a > (< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > SolverType solver_type, < span class = "keyword" > const< / span > ModelProto& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keyword" > const< / span > SolverInitializerProto& initializer) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > // Whether a solver type is supported.< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ab4f4a888035210f4732e397430df74e3" > IsRegistered< / a > (SolverType solver_type) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "comment" > // List all supported solver types.< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > std::vector< SolverType> < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a9c66233d84a474617058fbfd40d66417" > RegisteredSolvers< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // Returns a human-readable list of supported solver types.< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a9c32ef3022cd0c9999df129ed9c5bfb1" > RegisteredSolversToString< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < a class = "code hl_class" href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > AllSolversRegistry< / a > () = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keyword" > mutable< / span > absl::Mutex mutex_;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > absl::flat_hash_map< SolverType, SolverInterface::Factory> registered_solvers_;< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > };< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "comment" > // Use to ensure that a solver is registered exactly one time. Invoke in each cc< / span > < / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "comment" > // file implementing a SolverInterface. Example use:< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < span class = "comment" > // MATH_OPT_REGISTER_SOLVER(SOLVER_TYPE_GSCIP, GScipSolver::New)< / span > < / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < span class = "comment" > // Can only be used once per cc file.< / span > < / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "comment" > // Arguments:< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "comment" > // solver_type: A SolverType proto enum.< / span > < / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "comment" > // solver_factory: A SolverInterface::Factory for solver_type.< / span > < / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > < a class = "line" href = "solver__interface_8h.html#ad082a79cf1be23f55e3435fad5bf4949" > 144< / a > < / span > < span class = "preprocessor" > #define MATH_OPT_REGISTER_SOLVER(solver_type, solver_factory) \< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "preprocessor" > namespace { \< / span > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "preprocessor" > const void* const kRegisterSolver ABSL_ATTRIBUTE_UNUSED = [] { \< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "preprocessor" > AllSolversRegistry::Instance()-> Register(solver_type, solver_factory); \< / span > < / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "preprocessor" > return nullptr; \< / span > < / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < span class = "preprocessor" > }(); \< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "preprocessor" > } < / span > < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > } < span class = "comment" > // namespace math_opt< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_MATH_OPT_CORE_SOLVER_INTERFACE_H_< / span > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html" > operations_research::math_opt::AllSolversRegistry< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8h_source.html#l00098" > solver_interface.h:98< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_a157c3997d9a0b7a1b789f447273b83ea" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a157c3997d9a0b7a1b789f447273b83ea" > operations_research::math_opt::AllSolversRegistry::AllSolversRegistry< / a > < / div > < div class = "ttdeci" > AllSolversRegistry(const AllSolversRegistry & )=delete< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_a9c32ef3022cd0c9999df129ed9c5bfb1" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a9c32ef3022cd0c9999df129ed9c5bfb1" > operations_research::math_opt::AllSolversRegistry::RegisteredSolversToString< / a > < / div > < div class = "ttdeci" > std::string RegisteredSolversToString() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00087" > solver_interface.cc:87< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_a9c66233d84a474617058fbfd40d66417" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#a9c66233d84a474617058fbfd40d66417" > operations_research::math_opt::AllSolversRegistry::RegisteredSolvers< / a > < / div > < div class = "ttdeci" > std::vector< SolverType > RegisteredSolvers() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00075" > solver_interface.cc:75< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_aa9032e3fbde11f67eec1588456e408e9" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#aa9032e3fbde11f67eec1588456e408e9" > operations_research::math_opt::AllSolversRegistry::operator=< / a > < / div > < div class = "ttdeci" > AllSolversRegistry & operator=(const AllSolversRegistry & )=delete< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_ab14e7952908d0b84f0229f4facac936c" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ab14e7952908d0b84f0229f4facac936c" > operations_research::math_opt::AllSolversRegistry::Instance< / a > < / div > < div class = "ttdeci" > static AllSolversRegistry * Instance()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00037" > solver_interface.cc:37< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_ab4f4a888035210f4732e397430df74e3" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ab4f4a888035210f4732e397430df74e3" > operations_research::math_opt::AllSolversRegistry::IsRegistered< / a > < / div > < div class = "ttdeci" > bool IsRegistered(SolverType solver_type) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00070" > solver_interface.cc:70< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_ad14cff326f6d83749e274d8b4b09b031" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ad14cff326f6d83749e274d8b4b09b031" > operations_research::math_opt::AllSolversRegistry::Register< / a > < / div > < div class = "ttdeci" > void Register(SolverType solver_type, SolverInterface::Factory factory)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00042" > solver_interface.cc:42< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_all_solvers_registry_html_ae1a34fd7a48051d9f87f2703c4e6afcf" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_all_solvers_registry.html#ae1a34fd7a48051d9f87f2703c4e6afcf" > operations_research::math_opt::AllSolversRegistry::Create< / a > < / div > < div class = "ttdeci" > absl::StatusOr< std::unique_ptr< SolverInterface > > Create(SolverType solver_type, const ModelProto & model, const SolverInitializerProto & initializer) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8cc_source.html#l00054" > solver_interface.cc:54< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html" > operations_research::math_opt::SolverInterface< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8h_source.html#l00046" > solver_interface.h:46< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_a0b2421a582a4317b26d0446781119f4d" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a0b2421a582a4317b26d0446781119f4d" > operations_research::math_opt::SolverInterface::Update< / a > < / div > < div class = "ttdeci" > virtual absl::Status Update(const ModelUpdateProto & model_update)=0< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_a1c13d92bfd97bfc6825f7de8cde8997b" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a1c13d92bfd97bfc6825f7de8cde8997b" > operations_research::math_opt::SolverInterface::operator=< / a > < / div > < div class = "ttdeci" > SolverInterface & operator=(const SolverInterface & )=delete< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_a6e8dbe2e0376ea1072889f124347c7df" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a6e8dbe2e0376ea1072889f124347c7df" > operations_research::math_opt::SolverInterface::~SolverInterface< / a > < / div > < div class = "ttdeci" > virtual ~SolverInterface()=default< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_a9030d622469d1d352ef62aae6bff7c5d" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#a9030d622469d1d352ef62aae6bff7c5d" > operations_research::math_opt::SolverInterface::Solve< / a > < / div > < div class = "ttdeci" > virtual absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto & parameters, const ModelSolveParametersProto & model_parameters, const CallbackRegistrationProto & callback_registration, Callback cb)=0< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb" > operations_research::math_opt::SolverInterface::Callback< / a > < / div > < div class = "ttdeci" > std::function< absl::StatusOr< CallbackResultProto > (const CallbackDataProto & )> Callback< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8h_source.html#l00054" > solver_interface.h:55< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ad1e9901f628f2e89a05af97d0dd4c57c" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad1e9901f628f2e89a05af97d0dd4c57c" > operations_research::math_opt::SolverInterface::SolverInterface< / a > < / div > < div class = "ttdeci" > SolverInterface()=default< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ad44289e368657b6706160eae15313ae6" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad44289e368657b6706160eae15313ae6" > operations_research::math_opt::SolverInterface::Factory< / a > < / div > < div class = "ttdeci" > std::function< absl::StatusOr< std::unique_ptr< SolverInterface > > (const ModelProto & model, const SolverInitializerProto & initializer)> Factory< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solver__interface_8h_source.html#l00064" > solver_interface.h:66< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ad8b1e514f2b213b3fd4085683d20ff54" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ad8b1e514f2b213b3fd4085683d20ff54" > operations_research::math_opt::SolverInterface::CanUpdate< / a > < / div > < div class = "ttdeci" > virtual bool CanUpdate(const ModelUpdateProto & model_update)=0< / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ae9b1880991b1fc732485c99036790983" > < div class = "ttname" > < a href = "classoperations__research_1_1math__opt_1_1_solver_interface.html#ae9b1880991b1fc732485c99036790983" > operations_research::math_opt::SolverInterface::SolverInterface< / a > < / div > < div class = "ttdeci" > SolverInterface(const SolverInterface & )=delete< / div > < / div >
< div class = "ttc" id = "acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > < / div > < div class = "ttdeci" > SatParameters parameters< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00116" > cp_model_fz_solver.cc:116< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > < / div > < div class = "ttdeci" > GRBmodel * model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00273" > gurobi_interface.cc:273< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
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