Package com.google.ortools.constraintsolver

Class IntExpr

  • Direct Known Subclasses:
    BaseIntExpr, IntVar
    public class IntExpr
extends PropagationBaseObject
    The class IntExpr is the base of all integer expressions in
    constraint programming.
    It contains the basic protocol for an expression:
    - setting and modifying its bound
    - querying if it is bound
    - listening to events modifying its bounds
    - casting it into a variable (instance of IntVar)

    • Constructor Detail

      • IntExpr

        protected IntExpr​(long cPtr,
                  boolean cMemoryOwn)

    • Method Detail

      • getCPtr

        protected static long getCPtr​(IntExpr obj)

      • swigRelease

        protected static long swigRelease​(IntExpr obj)

      • min

        public long min()

      • setMin

        public void setMin​(long m)

      • max

        public long max()

      • setMax

        public void setMax​(long m)

      • range

        public void range​(long[] l,
                  long[] u)
        By default calls Min() and Max(), but can be redefined when Min and Max
        code can be factorized.

      • setRange

        public void setRange​(long l,
                     long u)
        This method sets both the min and the max of the expression.

      • setValue

        public void setValue​(long v)
        This method sets the value of the expression.

      • bound

        public boolean bound()
        Returns true if the min and the max of the expression are equal.

      • isVar

        public boolean isVar()
        Returns true if the expression is indeed a variable.

      • var

        public IntVar var()
        Creates a variable from the expression.

      • varWithName

        public IntVar varWithName​(java.lang.String name)
        Creates a variable from the expression and set the name of the
        resulting var. If the expression is already a variable, then it
        will set the name of the expression, possibly overwriting it.
        This is just a shortcut to Var() followed by set_name().

      • whenRange

        public void whenRange​(Demon d)
        Attach a demon that will watch the min or the max of the expression.

      • whenRange

        public void whenRange​(java.lang.Runnable closure)
        Attach a demon that will watch the min or the max of the expression.

      • accept

        public void accept​(ModelVisitor visitor)
        Accepts the given visitor.