ilog.cplex

Class IloCplex.NodeId

java.lang.Object

ilog.cplex.IloCplex.NodeId

Enclosing class:

IloCplex

public static class IloCplex.NodeId
extends java.lang.Object

A class for uniquely identifying a MIP node in a branch-and-cut tree.

IloCplex assigns a node identifier, NodeId, to every node it creates. In fact, the NodeId of a node created with one of the methods BranchCallback.makeBranch is returned by these methods.

The NodeId of the current node can be queried from a goal or from a callback that is called at a node. The object NodeCallback allows you to access the NodeId of all remaining nodes.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj) Tests whether two node identifiers are equal.
int	hashCode()
java.lang.String	toString() Returns a string with the numeric value of the invoking node identifier.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

equals

public boolean equals(java.lang.Object obj)

Tests whether two node identifiers are equal.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Returns a string with the numeric value of the invoking node identifier.

Overrides:

toString in class java.lang.Object

Returns:

A string with the numeric value of the invoking node identifier.