Package org.drools.workbench.models.commons.shared.rule

Examples of org.drools.workbench.models.commons.shared.rule.SingleFieldConstraint

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    private List<FieldConstraint> sortConstraints( FieldConstraint[] constraints ) {
        List<FieldConstraint> sortedConst = new ArrayList<FieldConstraint>( constraints.length );
        for ( int i = 0; i < constraints.length; i++ ) {
            FieldConstraint current = constraints[ i ];
            if ( current instanceof SingleFieldConstraint ) {
                SingleFieldConstraint single = (SingleFieldConstraint) current;
                int index = sortedConst.indexOf( single.getParent() );
                if ( single.getParent() == null ) {
                    sortedConst.add( single );
                } else if ( index >= 0 ) {
                    sortedConst.add( index + 1,
                                     single );
                } else {
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            public void onChange( ChangeEvent event ) {
                String factType = pattern.getFactType();
                String fieldName = box.getItemText( box.getSelectedIndex() );
                String fieldType = getCompletions().getFieldType( factType,
                                                                  fieldName );
                hasConstraints.addConstraint( new SingleFieldConstraint( factType,
                                                                         fieldName,
                                                                         fieldType,
                                                                         null ) );
                modeller.refreshWidget();
                popup.hide();
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                if ( "...".equals( fieldName ) ) {
                    return;
                }
                String fieldType = completions.getFieldType( factType,
                                                             fieldName );
                fp.addConstraint( new SingleFieldConstraint( factType,
                                                             fieldName,
                                                             fieldType,
                                                             con ) );
                modeller.refreshWidget();
                popup.hide();
            }
        } );
        popup.addAttribute( Constants.INSTANCE.AddARestrictionOnAField(),
                            box );

        final ListBox composites = new ListBox();
        composites.addItem( "..." );
        composites.addItem( Constants.INSTANCE.AllOfAnd(),
                            CompositeFieldConstraint.COMPOSITE_TYPE_AND );
        composites.addItem( Constants.INSTANCE.AnyOfOr(),
                            CompositeFieldConstraint.COMPOSITE_TYPE_OR );
        composites.setSelectedIndex( 0 );

        composites.addChangeHandler( new ChangeHandler() {
            public void onChange( ChangeEvent event ) {
                CompositeFieldConstraint comp = new CompositeFieldConstraint();
                comp.setCompositeJunctionType( composites.getValue( composites.getSelectedIndex() ) );
                fp.addConstraint( comp );
                modeller.refreshWidget();
                popup.hide();
            }
        } );

        InfoPopup infoComp = new InfoPopup( Constants.INSTANCE.MultipleFieldConstraints(),
                                            Constants.INSTANCE.MultipleConstraintsTip1() );

        HorizontalPanel horiz = new HorizontalPanel();

        horiz.add( composites );
        horiz.add( infoComp );
        if ( con == null ) {
            popup.addAttribute( Constants.INSTANCE.MultipleFieldConstraint(),
                                horiz );
        }

        if ( con == null ) {
            popup.addRow( new SmallLabel( "<i>" + Constants.INSTANCE.AdvancedOptionsColon() + "</i>" ) ); //NON-NLS
            Button predicate = new Button( Constants.INSTANCE.NewFormula() );
            predicate.addClickHandler( new ClickHandler() {
                public void onClick( ClickEvent event ) {
                    SingleFieldConstraint con = new SingleFieldConstraint();
                    con.setConstraintValueType( SingleFieldConstraint.TYPE_PREDICATE );
                    fp.addConstraint( con );
                    modeller.refreshWidget();
                    popup.hide();
                }
            } );
            popup.addAttribute( Constants.INSTANCE.AddANewFormulaStyleExpression(),
                                predicate );

            Button ebBtn = new Button( Constants.INSTANCE.ExpressionEditor() );

            ebBtn.addClickHandler( new ClickHandler() {
                public void onClick( ClickEvent event ) {
                    SingleFieldConstraintEBLeftSide con = new SingleFieldConstraintEBLeftSide();
                    con.setConstraintValueType( SingleFieldConstraint.TYPE_UNDEFINED );
                    fp.addConstraint( con );
                    con.setExpressionLeftSide( new ExpressionFormLine( new ExpressionUnboundFact( pattern ) ) );
                    modeller.refreshWidget();
                    popup.hide();
                }
            } );
            popup.addAttribute( Constants.INSTANCE.ExpressionEditor(),
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                                                                            data );
                            fp.addConstraint( fc );
                        }
                        break;
                    case BaseSingleFieldConstraint.TYPE_PREDICATE:
                        SingleFieldConstraint pred = new SingleFieldConstraint();
                        pred.setConstraintValueType( c.getConstraintValueType() );
                        if ( c.getFactField() != null
                                && c.getFactField().indexOf( "$param" ) > -1 ) {
                            // handle interpolation
                            pred.setValue( c.getFactField().replace( "$param",
                                                                     cell ) );
                        } else {
                            pred.setValue( cell );
                        }
                        fp.addConstraint( pred );
                        break;
                    default:
                        throw new IllegalArgumentException( "Unknown constraintValueType: "
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    //Build a normal SingleFieldConstraint for a non-otherwise cell value
    private FieldConstraint makeSingleFieldConstraint( ConditionCol52 c,
                                                       String cell ) {

        SingleFieldConstraint sfc = new SingleFieldConstraint( c.getFactField() );

        //Condition columns can be defined as having no operator, in which case the operator
        //is taken from the cell's value. Pretty yucky really if we're to be able to perform
        //expansion and contraction of decision table columns.... this might have to go.
        if ( no( c.getOperator() ) ) {

            String[] a = cell.split( "\\s" );
            if ( a.length > 1 ) {
                //Operator might be 1 part (e.g. "==") or two parts (e.g. "not in")
                StringBuilder operator = new StringBuilder( a[ 0 ] );
                for ( int i = 1; i < a.length - 1; i++ ) {
                    operator.append( a[ i ] );
                }
                sfc.setOperator( operator.toString() );
                sfc.setValue( a[ a.length - 1 ] );
            } else {
                sfc.setValue( cell );
            }
        } else {

            sfc.setOperator( c.getOperator() );
            if ( OperatorsOracle.operatorRequiresList( c.getOperator() ) ) {
                sfc.setValue( makeInList( cell ) );
            } else {
                if ( !c.getOperator().equals( "== null" ) && !c.getOperator().equals( "!= null" ) ) {
                    sfc.setValue( cell );
                }
            }

        }
        if ( c.getConstraintValueType() == BaseSingleFieldConstraint.TYPE_LITERAL && c.isBound() ) {
            sfc.setFieldBinding( c.getBinding() );
        }
        sfc.setParameters( c.getParameters() );
        sfc.setConstraintValueType( c.getConstraintValueType() );
        sfc.setFieldType( c.getFieldType() );
        return sfc;
    }
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                                final SingleFieldConstraintEBLeftSide exp = (SingleFieldConstraintEBLeftSide) fc;
                                if ( exp.getExpressionLeftSide() != null && exp.getExpressionLeftSide().isBound() ) {
                                    variables.add( exp.getExpressionLeftSide().getBinding() );
                                }
                            } else if ( fc instanceof SingleFieldConstraint ) {
                                final SingleFieldConstraint sfc = (SingleFieldConstraint) fc;
                                if ( sfc.isBound() ) {
                                    variables.add( sfc.getFieldBinding() );
                                }
                                if ( sfc.getExpressionValue() != null && sfc.getExpressionValue().isBound() ) {
                                    variables.add( sfc.getExpressionValue().getBinding() );
                                }
                            }
                        }
                    }
                }
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        }

        @Override
        FieldConstraint constructSingleFieldConstraint( ConditionCol52 c,
                                                        List<DTCellValue52> columnData ) {
            SingleFieldConstraint sfc = new SingleFieldConstraint( c.getFactField() );
            sfc.setConstraintValueType( c.getConstraintValueType() );
            sfc.setFieldType( c.getFieldType() );
            sfc.setOperator( "not in" );

            List<String> consumedValues = new ArrayList<String>();
            StringBuilder value = new StringBuilder();
            value.append( "( " );
            for ( DTCellValue52 cv : columnData ) {

                //Ensure cell values start and end with quotes
                String scv = GuidedDTDRLUtilities.convertDTCellValueToString( cv );
                if ( scv != null ) {
                    if ( !consumedValues.contains( scv ) ) {
                        value.append( scv ).append( ", " );
                    }
                    consumedValues.add( scv );
                }
            }
            value.delete( value.lastIndexOf( "," ),
                          value.length() - 1 );
            value.append( ")" );
            sfc.setValue( value.toString() );
            return sfc;
        }
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        }

        @Override
        SingleFieldConstraint constructSingleFieldConstraint( ConditionCol52 c,
                                                              List<DTCellValue52> columnData ) {
            SingleFieldConstraint sfc = new SingleFieldConstraint( c.getFactField() );
            sfc.setConstraintValueType( c.getConstraintValueType() );
            sfc.setFieldType( c.getFieldType() );
            sfc.setOperator( "in" );

            List<String> consumedValues = new ArrayList<String>();
            StringBuilder value = new StringBuilder();
            value.append( "( " );
            for ( DTCellValue52 cv : columnData ) {

                //Ensure cell values start and end with quotes
                String scv = GuidedDTDRLUtilities.convertDTCellValueToString( cv );
                if ( scv != null ) {
                    if ( !consumedValues.contains( scv ) ) {
                        value.append( scv ).append( ", " );
                    }
                    consumedValues.add( scv );
                }
            }
            value.delete( value.lastIndexOf( "," ),
                          value.length() - 1 );
            value.append( ")" );
            sfc.setValue( value.toString() );
            return sfc;
        }
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                        || constr.getOperator().equals( "== null" )
                        || constr.getOperator().equals( "!= null" ) ) )
                        || constr.getFieldBinding() != null
                        || constr.getConstraintValueType() == BaseSingleFieldConstraint.TYPE_EXPR_BUILDER_VALUE
                        || constr instanceof SingleFieldConstraintEBLeftSide ) {
                    SingleFieldConstraint parent = (SingleFieldConstraint) constr.getParent();
                    StringBuilder parentBuf = new StringBuilder();
                    while ( parent != null ) {
                        String fieldName = parent.getFieldName();
                        parentBuf.insert( 0,
                                          fieldName + "." );
                        parent = (SingleFieldConstraint) parent.getParent();
                    }
                    buf.append( parentBuf );
                    if ( constr instanceof SingleFieldConstraintEBLeftSide ) {
                        buf.append( ( (SingleFieldConstraintEBLeftSide) constr ).getExpressionLeftSide().getText() );
                    } else {
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        BRLConditionColumn brlCondition = new BRLConditionColumn();
        FactPattern fp = new FactPattern( "Driver" );
        fp.setBoundName( "$brl1" );

        SingleFieldConstraint sfc1 = new SingleFieldConstraint();
        sfc1.setFieldBinding( "$sfc1" );
        sfc1.setOperator( "==" );
        sfc1.setFactType( "Driver" );
        sfc1.setFieldName( "name" );
        sfc1.setFieldType( DataType.TYPE_STRING );

        fp.addConstraint( sfc1 );
        brlCondition.getDefinition().add( fp );
        dt.getConditions().add( brlCondition );
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