GRB#
- GRB#
用于Java枚举和常量的类。枚举用于获取或设置Gurobi属性或参数。
常量
以下列表包含Gurobi Java接口所需的一组常量。您将使用
GRB.前缀来引用它们（例如，GRB.Status.OPTIMAL）。// Model-status-codes public static final int LOADED = 1; public static final int OPTIMAL = 2; public static final int INFEASIBLE = 3; public static final int INF_OR_UNBD = 4; public static final int UNBOUNDED = 5; public static final int CUTOFF = 6; public static final int ITERATION_LIMIT = 7; public static final int NODE_LIMIT = 8; public static final int TIME_LIMIT = 9; public static final int SOLUTION_LIMIT = 10; public static final int INTERRUPTED = 11; public static final int NUMERIC = 12; public static final int SUBOPTIMAL = 13; public static final int INPROGRESS = 14; public static final int USER_OBJ_LIMIT = 15; public static final int WORK_LIMIT = 16; public static final int MEM_LIMIT = 17; public class Status { public static final int LOADED = 1; public static final int OPTIMAL = 2; public static final int INFEASIBLE = 3; public static final int INF_OR_UNBD = 4; public static final int UNBOUNDED = 5; public static final int CUTOFF = 6; public static final int ITERATION_LIMIT = 7; public static final int NODE_LIMIT = 8; public static final int TIME_LIMIT = 9; public static final int SOLUTION_LIMIT = 10; public static final int INTERRUPTED = 11; public static final int NUMERIC = 12; public static final int SUBOPTIMAL = 13; public static final int INPROGRESS = 14; public static final int USER_OBJ_LIMIT = 15; public static final int WORK_LIMIT = 16; public static final int MEM_LIMIT = 17; } // BatchStatus codes public static final int CREATED = 1; public static final int SUBMITTED = 2; public static final int ABORTED = 3; public static final int FAILED = 4; public static final int COMPLETED = 5; public class BatchStatus { public static final int CREATED = 1; public static final int SUBMITTED = 2; public static final int ABORTED = 3; public static final int FAILED = 4; public static final int COMPLETED = 5; } // Constraint senses public static final char LESS_EQUAL = '<'; public static final char GREATER_EQUAL = '>'; public static final char EQUAL = '='; // Variable types public static final char CONTINUOUS = 'C'; public static final char BINARY = 'B'; public static final char INTEGER = 'I'; public static final char SEMICONT = 'S'; public static final char SEMIINT = 'N'; // Objective sense public static final int MINIMIZE = 1; public static final int MAXIMIZE = -1; // SOS types public static final int SOS_TYPE1 = 1; public static final int SOS_TYPE2 = 2; // General constraint types public static final int GENCONSTR_MAX = 0; public static final int GENCONSTR_MIN = 1; public static final int GENCONSTR_ABS = 2; public static final int GENCONSTR_AND = 3; public static final int GENCONSTR_OR = 4; public static final int GENCONSTR_NORM = 5; public static final int GENCONSTR_NL = 6; public static final int GENCONSTR_INDICATOR = 7; public static final int GENCONSTR_PWL = 8; public static final int GENCONSTR_POLY = 9; public static final int GENCONSTR_EXP = 10; public static final int GENCONSTR_EXPA = 11; public static final int GENCONSTR_LOG = 12; public static final int GENCONSTR_LOGA = 13; public static final int GENCONSTR_POW = 14; public static final int GENCONSTR_SIN = 15; public static final int GENCONSTR_COS = 16; public static final int GENCONSTR_TAN = 17; public static final int GENCONSTR_LOGISTIC = 18; // Operation code for general constraint nonlinear multivariate function public static final int OPCODE_CONSTANT = 0; public static final int OPCODE_VARIABLE = 1; public static final int OPCODE_PLUS = 2; public static final int OPCODE_MINUS = 3; public static final int OPCODE_MULTIPLY = 4; public static final int OPCODE_DIVIDE = 5; public static final int OPCODE_UMINUS = 6; public static final int OPCODE_SQUARE = 7; public static final int OPCODE_SQRT = 8; public static final int OPCODE_SIN = 9; public static final int OPCODE_COS = 10; public static final int OPCODE_TAN = 11; public static final int OPCODE_POW = 12; public static final int OPCODE_EXP = 13; public static final int OPCODE_LOG = 14; public static final int OPCODE_LOG2 = 15; public static final int OPCODE_LOG10 = 16; public static final int OPCODE_LOGISTIC = 17; // Basis status info public static final int BASIC = 0; public static final int NONBASIC_LOWER = -1; public static final int NONBASIC_UPPER = -2; public static final int SUPERBASIC = -3; // Numeric constants public static final double INFINITY = 1e100; public static final double UNDEFINED = 1e101; public static final int MAXINT = 2000000000; // Limits public static final int MAX_STRLEN = 512; public static final int MAX_NAMELEN = 255; public static final int MAX_TAGLEN = 10240; public static final int MAX_CONCURRENT = 64; // Other constants public static final int DEFAULT_CS_PORT = 61000; // Version numbers public static final int VERSION_MAJOR = 11; public static final int VERSION_MINOR = 9; public static final int VERSION_TECHNICAL = 9; // Callback constants public static final int CB_POLLING = 0; public static final int CB_PRESOLVE = 1; public static final int CB_SIMPLEX = 2; public static final int CB_MIP = 3; public static final int CB_MIPSOL = 4; public static final int CB_MIPNODE = 5; public static final int CB_MESSAGE = 6; public static final int CB_BARRIER = 7; public static final int CB_MULTIOBJ = 8; public static final int CB_IIS = 9; public static final int CB_PRE_COLDEL = 1000; public static final int CB_PRE_ROWDEL = 1001; public static final int CB_PRE_SENCHG = 1002; public static final int CB_PRE_BNDCHG = 1003; public static final int CB_PRE_COECHG = 1004; public static final int CB_SPX_ITRCNT = 2000; public static final int CB_SPX_OBJVAL = 2001; public static final int CB_SPX_PRIMINF = 2002; public static final int CB_SPX_DUALINF = 2003; public static final int CB_SPX_ISPERT = 2004; public static final int CB_MIP_OBJBST = 3000; public static final int CB_MIP_OBJBND = 3001; public static final int CB_MIP_NODCNT = 3002; public static final int CB_MIP_SOLCNT = 3003; public static final int CB_MIP_CUTCNT = 3004; public static final int CB_MIP_NODLFT = 3005; public static final int CB_MIP_ITRCNT = 3006; public static final int CB_MIP_OPENSCENARIOS = 3007; public static final int CB_MIP_PHASE = 3008; public static final int CB_MIPSOL_SOL = 4001; public static final int CB_MIPSOL_OBJ = 4002; public static final int CB_MIPSOL_OBJBST = 4003; public static final int CB_MIPSOL_OBJBND = 4004; public static final int CB_MIPSOL_NODCNT = 4005; public static final int CB_MIPSOL_SOLCNT = 4006; public static final int CB_MIPSOL_OPENSCENARIOS = 4007; public static final int CB_MIPSOL_PHASE = 4008; public static final int CB_MIPNODE_STATUS = 5001; public static final int CB_MIPNODE_REL = 5002; public static final int CB_MIPNODE_OBJBST = 5003; public static final int CB_MIPNODE_OBJBND = 5004; public static final int CB_MIPNODE_NODCNT = 5005; public static final int CB_MIPNODE_SOLCNT = 5006; public static final int CB_MIPNODE_BRVAR = 5007; public static final int CB_MIPNODE_OPENSCENARIOS = 5008; public static final int CB_MIPNODE_PHASE = 5009; public static final int CB_MSG_STRING = 6001; public static final int CB_RUNTIME = 6002; public static final int CB_WORK = 6003; public static final int CB_MEMUSED = 6004; public static final int CB_MAXMEMUSED = 6005; public static final int CB_BARRIER_ITRCNT = 7001; public static final int CB_BARRIER_PRIMOBJ = 7002; public static final int CB_BARRIER_DUALOBJ = 7003; public static final int CB_BARRIER_PRIMINF = 7004; public static final int CB_BARRIER_DUALINF = 7005; public static final int CB_BARRIER_COMPL = 7006; public static final int CB_MULTIOBJ_OBJCNT = 8001; public static final int CB_MULTIOBJ_SOLCNT = 8002; public static final int CB_MULTIOBJ_SOL = 8003; public static final int CB_IIS_CONSTRMIN = 9001; public static final int CB_IIS_CONSTRMAX = 9002; public static final int CB_IIS_CONSTRGUESS = 9003; public static final int CB_IIS_BOUNDMIN = 9004; public static final int CB_IIS_BOUNDMAX = 9005; public static final int CB_IIS_BOUNDGUESS = 9006; public class Callback { public static final int POLLING = 0; public static final int PRESOLVE = 1; public static final int SIMPLEX = 2; public static final int MIP = 3; public static final int MIPSOL = 4; public static final int MIPNODE = 5; public static final int MESSAGE = 6; public static final int BARRIER = 7; public static final int MULTIOBJ = 8; public static final int IIS = 9; public static final int PRE_COLDEL = 1000; public static final int PRE_ROWDEL = 1001; public static final int PRE_SENCHG = 1002; public static final int PRE_BNDCHG = 1003; public static final int PRE_COECHG = 1004; public static final int SPX_ITRCNT = 2000; public static final int SPX_OBJVAL = 2001; public static final int SPX_PRIMINF = 2002; public static final int SPX_DUALINF = 2003; public static final int SPX_ISPERT = 2004; public static final int MIP_OBJBST = 3000; public static final int MIP_OBJBND = 3001; public static final int MIP_NODCNT = 3002; public static final int MIP_SOLCNT = 3003; public static final int MIP_CUTCNT = 3004; public static final int MIP_NODLFT = 3005; public static final int MIP_ITRCNT = 3006; public static final int MIP_OPENSCENARIOS = 3007; public static final int MIP_PHASE = 3008; public static final int MIPSOL_SOL = 4001; public static final int MIPSOL_OBJ = 4002; public static final int MIPSOL_OBJBST = 4003; public static final int MIPSOL_OBJBND = 4004; public static final int MIPSOL_NODCNT = 4005; public static final int MIPSOL_SOLCNT = 4006; public static final int MIPSOL_OPENSCENARIOS = 4007; public static final int MIPSOL_PHASE = 4008; public static final int MIPNODE_STATUS = 5001; public static final int MIPNODE_REL = 5002; public static final int MIPNODE_OBJBST = 5003; public static final int MIPNODE_OBJBND = 5004; public static final int MIPNODE_NODCNT = 5005; public static final int MIPNODE_SOLCNT = 5006; public static final int MIPNODE_BRVAR = 5007; public static final int MIPNODE_OPENSCENARIOS = 5008; public static final int MIPNODE_PHASE = 5009; public static final int MSG_STRING = 6001; public static final int RUNTIME = 6002; public static final int WORK = 6003; public static final int MEMUSED = 6004; public static final int MAXMEMUSED = 6005; public static final int BARRIER_ITRCNT = 7001; public static final int BARRIER_PRIMOBJ = 7002; public static final int BARRIER_DUALOBJ = 7003; public static final int BARRIER_PRIMINF = 7004; public static final int BARRIER_DUALINF = 7005; public static final int BARRIER_COMPL = 7006; public static final int MULTIOBJ_OBJCNT = 8001; public static final int MULTIOBJ_SOLCNT = 8002; public static final int MULTIOBJ_SOL = 8003; public static final int IIS_CONSTRMIN = 9001; public static final int IIS_CONSTRMAX = 9002; public static final int IIS_CONSTRGUESS = 9003; public static final int IIS_BOUNDMIN = 9004; public static final int IIS_BOUNDMAX = 9005; public static final int IIS_BOUNDGUESS = 9006; } // Errors public static final int ERROR_OUT_OF_MEMORY = 10001; public static final int ERROR_NULL_ARGUMENT = 10002; public static final int ERROR_INVALID_ARGUMENT = 10003; public static final int ERROR_UNKNOWN_ATTRIBUTE = 10004; public static final int ERROR_DATA_NOT_AVAILABLE = 10005; public static final int ERROR_INDEX_OUT_OF_RANGE = 10006; public static final int ERROR_UNKNOWN_PARAMETER = 10007; public static final int ERROR_VALUE_OUT_OF_RANGE = 10008; public static final int ERROR_NO_LICENSE = 10009; public static final int ERROR_SIZE_LIMIT_EXCEEDED = 10010; public static final int ERROR_CALLBACK = 10011; public static final int ERROR_FILE_READ = 10012; public static final int ERROR_FILE_WRITE = 10013; public static final int ERROR_NUMERIC = 10014; public static final int ERROR_IIS_NOT_INFEASIBLE = 10015; public static final int ERROR_NOT_FOR_MIP = 10016; public static final int ERROR_OPTIMIZATION_IN_PROGRESS = 10017; public static final int ERROR_DUPLICATES = 10018; public static final int ERROR_NODEFILE = 10019; public static final int ERROR_Q_NOT_PSD = 10020; public static final int ERROR_QCP_EQUALITY_CONSTRAINT = 10021; public static final int ERROR_NETWORK = 10022; public static final int ERROR_JOB_REJECTED = 10023; public static final int ERROR_NOT_SUPPORTED = 10024; public static final int ERROR_EXCEED_2B_NONZEROS = 10025; public static final int ERROR_INVALID_PIECEWISE_OBJ = 10026; public static final int ERROR_UPDATEMODE_CHANGE = 10027; public static final int ERROR_CLOUD = 10028; public static final int ERROR_MODEL_MODIFICATION = 10029; public static final int ERROR_CSWORKER = 10030; public static final int ERROR_TUNE_MODEL_TYPES = 10031; public static final int ERROR_SECURITY = 10032; public static final int ERROR_NOT_IN_MODEL = 20001; public static final int ERROR_FAILED_TO_CREATE_MODEL = 20002; public static final int ERROR_INTERNAL = 20003; public class Error { public static final int OUT_OF_MEMORY = 10001; public static final int NULL_ARGUMENT = 10002; public static final int INVALID_ARGUMENT = 10003; public static final int UNKNOWN_ATTRIBUTE = 10004; public static final int DATA_NOT_AVAILABLE = 10005; public static final int INDEX_OUT_OF_RANGE = 10006; public static final int UNKNOWN_PARAMETER = 10007; public static final int VALUE_OUT_OF_RANGE = 10008; public static final int NO_LICENSE = 10009; public static final int SIZE_LIMIT_EXCEEDED = 10010; public static final int CALLBACK = 10011; public static final int FILE_READ = 10012; public static final int FILE_WRITE = 10013; public static final int NUMERIC = 10014; public static final int IIS_NOT_INFEASIBLE = 10015; public static final int NOT_FOR_MIP = 10016; public static final int OPTIMIZATION_IN_PROGRESS = 10017; public static final int DUPLICATES = 10018; public static final int NODEFILE = 10019; public static final int ERROR_Q_NOT_PSD = 10020; public static final int QCP_EQUALITY_CONSTRAINT = 10021; public static final int NETWORK = 10022; public static final int JOB_REJECTED = 10023; public static final int NOT_SUPPORTED = 10024; public static final int EXCEED_2B_NONZEROS = 10025; public static final int INVALID_PIECEWISE_OBJ = 10026; public static final int UPDATEMODE_CHANGE = 10027; public static final int CLOUD = 10028; public static final int MODEL_MODIFICATION = 10029; public static final int CSWORKER = 10030; public static final int TUNE_MODEL_TYPES = 10031; public static final int ERROR_SECURITY = 10032; public static final int NOT_IN_MODEL = 20001; public static final int FAILED_TO_CREATE_MODEL = 20002; public static final int INTERNAL = 20003; } // Cuts parameter values public static final int CUTS_AUTO = -1; public static final int CUTS_OFF = 0; public static final int CUTS_CONSERVATIVE = 1; public static final int CUTS_AGGRESSIVE = 2; public static final int CUTS_VERYAGGRESSIVE = 3; // Presolve parameter values public static final int PRESOLVE_AUTO = -1; public static final int PRESOLVE_OFF = 0; public static final int PRESOLVE_CONSERVATIVE = 1; public static final int PRESOLVE_AGGRESSIVE = 2; // Method parameter values public static final int METHOD_NONE = -1; public static final int METHOD_AUTO = -1; public static final int METHOD_PRIMAL = 0; public static final int METHOD_DUAL = 1; public static final int METHOD_BARRIER = 2; public static final int METHOD_CONCURRENT = 3; public static final int METHOD_DETERMINISTIC_CONCURRENT = 4; public static final int METHOD_DETERMINISTIC_CONCURRENT_SIMPLEX = 5; // BarHomogeneous parameter values public static final int BARHOMOGENEOUS_AUTO = -1; public static final int BARHOMOGENEOUS_OFF = 0; public static final int BARHOMOGENEOUS_ON = 1; // BarOrder parameter values public static final int BARORDER_AUTOMATIC = 0; public static final int BARORDER_AMD = 1; public static final int BARORDER_NESTEDDISSECTION = 2; // MIPFocus parameter values public static final int MIPFOCUS_BALANCED = 0; public static final int MIPFOCUS_FEASIBILITY = 1; public static final int MIPFOCUS_OPTIMALITY = 2; public static final int MIPFOCUS_BESTBOUND = 3; // SimplexPricing parameter values public static final int SIMPLEXPRICING_AUTO = -1; public static final int SIMPLEXPRICING_PARTIAL = 0; public static final int SIMPLEXPRICING_STEEPEST_EDGE = 1; public static final int SIMPLEXPRICING_DEVEX = 2; public static final int SIMPLEXPRICING_STEEPEST_QUICK = 3; // VarBranch parameter values public static final int VARBRANCH_AUTO = -1; public static final int VARBRANCH_PSEUDO_REDUCED = 0; public static final int VARBRANCH_PSEUDO_SHADOW = 1; public static final int VARBRANCH_MAX_INFEAS = 2; public static final int VARBRANCH_STRONG = 3; // PartitionPlace parameter values public static final int PARTITION_EARLY = 16; public static final int PARTITION_ROOTSTART = 8; public static final int PARTITION_ROOTEND = 4; public static final int PARTITION_NODES = 2; public static final int PARTITION_CLEANUP = 1; // Callback phase values public static final int PHASE_MIP_NOREL = 0; public static final int PHASE_MIP_SEARCH = 1; public static final int PHASE_MIP_IMPROVE = 2; // FeasRelax method parameter values public static final int FEASRELAX_LINEAR = 0; public static final int FEASRELAX_QUADRATIC = 1; public static final int FEASRELAX_CARDINALITY = 2;
- GRB.CharAttr#
此枚举用于获取或设置字符值属性（通过
GRBModel.get或GRBModel.set）。请参阅 属性 部分的参考手册以 查看所有属性及其用途的列表。
- GRB.DoubleAttr#
此枚举用于获取或设置双值属性（通过
GRBModel.get或GRBModel.set）。请参阅 属性 部分的参考手册以 查看所有属性及其用途的列表。
- GRB.DoubleParam#
此枚举用于获取或设置双值参数（通过
GRBModel.get,GRBModel.set,GRBEnv.get,GRBEnv.set, 或GRBCallback.set）。请参阅 参数 部分以查看所有参数及其用途的列表。
- GRB.IntAttr#
此枚举用于获取或设置整数值属性（通过
GRBModel.get或GRBModel.set）。请参阅 属性 部分的参考手册以 查看所有属性及其用途的列表。
- GRB.IntParam#
此枚举用于获取或设置整数值参数（通过
GRBModel.get,GRBModel.set,GRBEnv.get,GRBEnv.set, 或GRBCallback.set）。请参阅参考手册中的 参数部分，查看所有参数及其用途的列表。
- GRB.StringAttr#
此枚举用于获取或设置字符串值属性（通过
GRBModel.get或GRBModel.set）。请参阅 属性 部分的参考手册以 查看所有属性及其用途的列表。
- GRB.StringParam#
此枚举用于获取或设置字符串值参数（通过
GRBModel.get,GRBModel.set,GRBEnv.get,GRBEnv.set, 或GRBCallback.set）。请参阅参考手册的参数部分，查看所有参数及其用途的列表。