Constants

The following list contains the set of constants needed by the Gurobi Java interface. You would refer to them using a GRB. prefix (e.g., 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 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;
  }

  // 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;
  }
  // Version numbers

  public static final int VERSION_MAJOR     = 9;
  public static final int VERSION_MINOR     = 5;
  public static final int VERSION_TECHNICAL = 1;

  // 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;

  // 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_INDICATOR = 6;
  public static final int GENCONSTR_PWL       = 7;
  public static final int GENCONSTR_POLY      = 8;
  public static final int GENCONSTR_EXP       = 9;
  public static final int GENCONSTR_EXPA      = 10;
  public static final int GENCONSTR_LOG       = 11;
  public static final int GENCONSTR_LOGA      = 12;
  public static final int GENCONSTR_POW       = 13;
  public static final int GENCONSTR_SIN       = 14;
  public static final int GENCONSTR_COS       = 15;
  public static final int GENCONSTR_TAN       = 16;

  // Numeric constants

  public static final double INFINITY    = 1e100;
  public static final double UNDEFINED   = 1e101;

  // Other constants

  public static final int DEFAULT_CS_PORT = 61000;

  // 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_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 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;

Try Gurobi for Free

Choose the evaluation license that fits you best, and start working with our Expert Team for technical guidance and support.

Evaluation License
Get a free, full-featured license of the Gurobi Optimizer to experience the performance, support, benchmarking and tuning services we provide as part of our product offering.
Academic License
Gurobi supports the teaching and use of optimization within academic institutions. We offer free, full-featured copies of Gurobi for use in class, and for research.
Cloud Trial

Request free trial hours, so you can see how quickly and easily a model can be solved on the cloud.

Search