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package org.apache.commons.math3.optimization.linear;

Types of relationships between two cells in a Solver LinearConstraint.
Deprecated:As of 3.1 (to be removed in 4.0).
Since:2.0
/** * Types of relationships between two cells in a Solver {@link LinearConstraint}. * @deprecated As of 3.1 (to be removed in 4.0). * @since 2.0 */
@Deprecated public enum Relationship {
Equality relationship.
/** Equality relationship. */
EQ("="),
Lesser than or equal relationship.
/** Lesser than or equal relationship. */
LEQ("<="),
Greater than or equal relationship.
/** Greater than or equal relationship. */
GEQ(">=");
Display string for the relationship.
/** Display string for the relationship. */
private final String stringValue;
Simple constructor.
Params:
  • stringValue – display string for the relationship
/** Simple constructor. * @param stringValue display string for the relationship */
Relationship(String stringValue) { this.stringValue = stringValue; }
{@inheritDoc}
/** {@inheritDoc} */
@Override public String toString() { return stringValue; }
Get the relationship obtained when multiplying all coefficients by -1.
Returns:relationship obtained when multiplying all coefficients by -1
/** * Get the relationship obtained when multiplying all coefficients by -1. * @return relationship obtained when multiplying all coefficients by -1 */
public Relationship oppositeRelationship() { switch (this) { case LEQ : return GEQ; case GEQ : return LEQ; default : return EQ; } } }