BetaNodeFieldConstraint c = betaCconstraints[0];
if ( IndexUtil.isIndexable(c, getType()) && ((IndexableConstraint) c).isUnification() ) {
if ( this.constraints instanceof SingleBetaConstraints ) {
setConstraints( new SingleNonIndexSkipBetaConstraints( (SingleBetaConstraints) this.constraints ) );
} else if ( this.constraints instanceof DoubleBetaConstraints ) {
setConstraints( new DoubleNonIndexSkipBetaConstraints( (DoubleBetaConstraints) this.constraints ) );
} else if ( this.constraints instanceof TripleBetaConstraints ) {
setConstraints( new TripleNonIndexSkipBetaConstraints( (TripleBetaConstraints) this.constraints ) );
} else if ( this.constraints instanceof QuadroupleBetaConstraints ) {
setConstraints( new QuadroupleNonIndexSkipBetaConstraints( (QuadroupleBetaConstraints) this.constraints ) );
}