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

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

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

org.drools.workbench.models.commons.shared.rule.FactPattern
A fact pattern is a declaration of a fact type, and its constraint, and perhaps a variable that is it bound to It is the equivalent of a "pattern" in drools terms.

                }
            } else if ( cc instanceof BRLConditionColumn ) {
                final BRLConditionColumn brl = (BRLConditionColumn) cc;
                for ( IPattern p : brl.getDefinition() ) {
                    if ( p instanceof FactPattern ) {
                        FactPattern fp = (FactPattern) p;
                        if ( fp.isBound() && fp.getBoundName().equals( boundName ) ) {
                            return fp.getFactType();
                        }
                    }
                }
            }
        }

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        //Examine LHS Fact and Field bindings and RHS (new) Fact bindings
        for ( String v : bindingsInScope ) {


            //LHS FactPattern
            FactPattern fp = model.getLHSBoundFact( v );
            if ( fp != null ) {
                if ( isLHSFactTypeEquivalent( v ) ) {
                    applicableBindingsInScope.add( v );
                }
            }

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                          position );
    }


    private void addNewFact( String itemText,
                             int position ) {
        this.model.addLhsItem( new FactPattern( itemText ),
                               position );
    }

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        popup.addAttribute( Constants.INSTANCE.chooseFactType(),
                            box );
        box.addChangeHandler( new ChangeHandler() {


            public void onChange( ChangeEvent event ) {
                pattern.addFactPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
                popup.hide();
            }
        } );

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        int dotPos = value.indexOf( '.' );
        String prefix = value.substring( 0,
                                         dotPos );
        String attrib = value.substring( dotPos + 1 );
        if ( prefix.equals( VARIABLE_VALUE_PREFIX ) ) {
            FactPattern fact = getRuleModel().getLHSBoundFact( attrib );
            ExpressionPart variable;
            if ( fact != null ) {
                variable = new ExpressionVariable( fact );
            } else {
                //if the variable is not bound to a Fact Pattern then it must be bound to a Field

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        //Examine LHS Fact and Field bindings and RHS (new) Fact bindings
        for ( String v : modeller.getModel().getAllVariables() ) {


            //LHS FactPattern
            FactPattern fp = modeller.getModel().getLHSBoundFact( v );
            if ( fp != null ) {
                if ( isLHSFactTypeEquivalent( v ) ) {
                    bindings.add( v );
                }
            }

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        //        box.addItem("TODO: Add Facts that extedns Collection");


        box.setSelectedIndex( 0 );
        box.addChangeHandler( new ChangeHandler() {
            public void onChange( ChangeEvent event ) {
                pattern.setFactPattern( new FactPattern( box.getValue( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
                popup.hide();
            }
        } );

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        popup.addAttribute( Constants.INSTANCE.chooseFactType(),
                            box );
        box.addChangeHandler( new ChangeHandler() {


            public void onChange( ChangeEvent event ) {
                getFromCollectPattern().setRightPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
                popup.hide();


            }

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    protected void doLayout() {


        int row = 0;
        if ( pattern.getFactPattern() != null ) {
            FactPattern fact = pattern.getFactPattern();
            if ( fact != null ) {
                this.layout.setWidget( row++,
                                       0,
                                       createFactPatternWidget( fact ) );
            }

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        popup.addAttribute( Constants.INSTANCE.chooseFactType(),
                            box );
        box.addChangeHandler( new ChangeHandler() {


            public void onChange( ChangeEvent event ) {
                pattern.setFactPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
                popup.hide();
            }
        } );

View Full Code Here

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