How to use

isBound

method

in

org.drools.guvnor.models.commons.shared.rule.ExpressionFormLine

/**
 * Returns true of there is a field binding.
 */
public boolean isBound() {
  return expLeftSide != null && expLeftSide.isBound();
}

private String getBoundText() {
  if ( expression.isBound() ) {
    return "[" + expression.getBinding() + "] ";
  }
  return "";
}

protected List<String> getFieldBinding( FieldConstraint f ) {
  List<String> result = new ArrayList<String>();
  if ( f instanceof SingleFieldConstraint ) {
    SingleFieldConstraint con = (SingleFieldConstraint) f;
    if ( con.isBound() ) {
      result.add( con.getFieldBinding() );
    }
    if ( con.getExpressionValue() != null && con.getExpressionValue().isBound() ) {
      result.add( con.getExpressionValue().getBinding() );
    }
    if ( con instanceof SingleFieldConstraintEBLeftSide ) {
      SingleFieldConstraintEBLeftSide exp = (SingleFieldConstraintEBLeftSide) con;
      if ( exp.getExpressionLeftSide() != null && exp.getExpressionLeftSide().isBound() ) {
        result.add( exp.getExpressionLeftSide().getBinding() );
      }
    }
  } else if ( f instanceof CompositeFieldConstraint ) {
    CompositeFieldConstraint cfc = (CompositeFieldConstraint) f;
    if ( cfc.getConstraints() != null ) {
      for ( FieldConstraint ss : cfc.getConstraints() ) {
        List<String> t = getFieldBinding( ss );
        result.addAll( t );
      }
    }
  }
  return result;
}

if ( fc instanceof SingleFieldConstraintEBLeftSide ) {
  SingleFieldConstraintEBLeftSide exp = (SingleFieldConstraintEBLeftSide) fc;
  if ( exp.getExpressionLeftSide() != null && exp.getExpressionLeftSide().isBound() ) {
    result.add( exp.getExpressionLeftSide().getBinding() );
    result.add( con.getFieldBinding() );
  if ( con.getExpressionValue() != null && con.getExpressionValue().isBound() ) {
    result.add( con.getExpressionValue().getBinding() );