How to use

getBinding

method

in

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

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

@Override
public String getFieldBinding() {
  return getExpressionLeftSide().getBinding();
}

private String paramsToString( Map<String, ExpressionFormLine> params ) {
  if ( params.isEmpty() ) {
    return "";
  }
  ToStringVisitor stringVisitor = new ToStringVisitor();
  StringBuilder strParams = new StringBuilder();
  for ( ExpressionFormLine param : params.values() ) {
    strParams.append( ", " ).append( stringVisitor.buildString( param.getBinding(),
                                  param.getRootExpression() ) );
  }
  return strParams.substring( 2 );
}

private ExpressionFormLine visitExpressionFormLine( ExpressionFormLine efl ) {
  ExpressionFormLine clone = new ExpressionFormLine( efl );
  clone.setBinding( efl.getBinding() );
  return clone;
}

public String getText( boolean renderBindVariable ) {
  return new ToStringVisitor().buildString( renderBindVariable ? getBinding() : null,
                       getRootExpression() );
}

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;
}

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