Package org.drools.compiler

Examples of org.drools.compiler.BoundIdentifiers

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        }

        return context.getDialect().analyzeExpression( context,
                                                        predicateDescr,
                                                        predicateDescr.getContent(),
                                                        new BoundIdentifiers( declarations,
                                                                              globals,
                                                                              operators,
                                                                              thisClass ) );
    }
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        Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                          returnValueRestrictionDescr,
                                                                          returnValueRestrictionDescr.getContent(),
                                                                          new BoundIdentifiers( declarations,
                                                                                                globals,
                                                                                                null,
                                                                                                thisClass ) );
        if ( analysis == null ) {
            // something bad happened
            return null;
        }
        final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();

        final List tupleDeclarations = new ArrayList();
        final List factDeclarations = new ArrayList();
        for ( String id : usedIdentifiers.getDeclrClasses().keySet() ) {
            final Declaration decl = context.getDeclarationResolver().getDeclaration( context.getRule(),
                                                                                      id );
            if ( decl.getPattern() == pattern ) {
                factDeclarations.add( decl );
            } else {
                tupleDeclarations.add( decl );
            }
        }
        this.createImplicitBindings( context,
                                     pattern,
                                     analysis.getNotBoundedIdentifiers(),
                                     usedIdentifiers,
                                     factDeclarations );

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  returnValueRestrictionDescr,
                                                  extractor.getValueType(),
                                                  returnValueRestrictionDescr.getEvaluator(),
                                                  returnValueRestrictionDescr.isNegated(),
                                                  returnValueRestrictionDescr.getParameterText(),
                                                  left,
                                                  right );
        if ( evaluator == null ) {
            return null;
        }

        final Declaration[] previousDeclarations = (Declaration[]) tupleDeclarations.toArray( new Declaration[tupleDeclarations.size()] );
        final Declaration[] localDeclarations = (Declaration[]) factDeclarations.toArray( new Declaration[factDeclarations.size()] );

        Arrays.sort( previousDeclarations,
                     SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                     SortDeclarations.instance );

        final String[] requiredGlobals = usedIdentifiers.getGlobals().keySet().toArray( new String[usedIdentifiers.getGlobals().size()] );
        final ReturnValueRestriction returnValueRestriction = new ReturnValueRestriction( extractor,
                                                                                          previousDeclarations,
                                                                                          localDeclarations,
                                                                                          requiredGlobals,
                                                                                          evaluator );
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                Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();

                final AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                                        descr,
                                                                                        fieldName,
                                                                                        new BoundIdentifiers( declarations,
                                                                                                              globals,
                                                                                                              null,
                                                                                                              ((ClassObjectType) objectType).getClassType() ) );

                if ( analysis == null ) {
                    // something bad happened
                    if ( reportError ) {
                        context.addError(new DescrBuildError(context.getParentDescr(),
                                descr,
                                null,
                                "Unable to analyze expression '" + fieldName + "'"));
                    }
                    return null;
                }

                final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();

                if ( !usedIdentifiers.getDeclrClasses().isEmpty() ) {
                    if ( reportError ) {
                        context.addError(new DescrBuildError(context.getParentDescr(),
                                descr,
                                null,
                                "Variables can not be used inside bindings. Variable " + usedIdentifiers.getDeclrClasses().keySet() + " is being used in binding '" + fieldName + "'"));
                    }
                    return null;
                }

                reader = context.getPkg().getClassFieldAccessorStore().getMVELReader( context.getPkg().getName(),
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        Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                returnValueRestrictionDescr,
                returnValueRestrictionDescr.getContent(),
                new BoundIdentifiers( declarationsMap,
                        globals,
                        null,
                        thisClass ) );
        if ( analysis == null ) {
            // something bad happened
            return null;
        }
        final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();

        final List<Declaration> tupleDeclarations = new ArrayList<Declaration>();
        final List<Declaration> factDeclarations = new ArrayList<Declaration>();
        for ( String id : usedIdentifiers.getDeclrClasses().keySet() ) {
            final Declaration decl = context.getDeclarationResolver().getDeclaration( context.getRule(), id );
            if ( decl.getPattern() == pattern ) {
                factDeclarations.add( decl );
            } else {
                tupleDeclarations.add( decl );
            }
        }
        createImplicitBindings( context,
                pattern,
                analysis.getNotBoundedIdentifiers(),
                usedIdentifiers,
                factDeclarations );

        final Declaration[] previousDeclarations = tupleDeclarations.toArray( new Declaration[tupleDeclarations.size()] );
        final Declaration[] localDeclarations = factDeclarations.toArray( new Declaration[factDeclarations.size()] );

        Arrays.sort( previousDeclarations,
                SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                SortDeclarations.instance );

        final String[] requiredGlobals = usedIdentifiers.getGlobals().keySet().toArray( new String[usedIdentifiers.getGlobals().size()] );

        Declaration[] requiredDeclarations = new Declaration[previousDeclarations.length + localDeclarations.length];
        System.arraycopy( previousDeclarations,
                0,
                requiredDeclarations,
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        Declaration[][] usedDeclarations = getUsedDeclarations(context, pattern, analysis);
        Declaration[] previousDeclarations = usedDeclarations[0];
        Declaration[] localDeclarations = usedDeclarations[1];

        BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();
        String[] requiredGlobals = usedIdentifiers.getGlobals().keySet().toArray( new String[usedIdentifiers.getGlobals().size()] );
        String[] requiredOperators = usedIdentifiers.getOperators().keySet().toArray( new String[usedIdentifiers.getOperators().size()] );

        Arrays.sort( previousDeclarations,
                     SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                     SortDeclarations.instance );
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            pattern.addConstraint( constraint );
        }
    }

    public static Declaration[][] getUsedDeclarations(RuleBuildContext context, Pattern pattern, AnalysisResult analysis) {
        BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();
        final List<Declaration> tupleDeclarations = new ArrayList<Declaration>();
        final List<Declaration> factDeclarations = new ArrayList<Declaration>();

        for ( String id : usedIdentifiers.getDeclrClasses().keySet() ) {
            final Declaration decl = context.getDeclarationResolver().getDeclaration( context.getRule(), id );
            if ( decl.getPattern() == pattern ) {
                factDeclarations.add( decl );
            } else {
                tupleDeclarations.add( decl );
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        }

        return context.getDialect().analyzeExpression( context,
                                                        predicateDescr,
                                                        predicateDescr.getContent(),
                                                        new BoundIdentifiers( declarations,
                                                                              globals,
                                                                              operators,
                                                                              thisClass ) );
    }
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                Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();

                final AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                                        descr,
                                                                                        fieldName,
                                                                                        new BoundIdentifiers( declarations,
                                                                                                              globals,
                                                                                                              null,
                                                                                                              ((ClassObjectType) objectType).getClassType() ) );

                if ( analysis == null ) {
                    // something bad happened
                    if ( reportError ) {
                        context.addError(new DescrBuildError(context.getParentDescr(),
                                descr,
                                null,
                                "Unable to analyze expression '" + fieldName + "'"));
                    }
                    return null;
                }

                final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();

                if ( !usedIdentifiers.getDeclrClasses().isEmpty() ) {
                    if ( reportError && descr instanceof BindingDescr ) {
                        context.addError(new DescrBuildError(context.getParentDescr(),
                                descr,
                                null,
                                "Variables can not be used inside bindings. Variable " + usedIdentifiers.getDeclrClasses().keySet() + " is being used in binding '" + fieldName + "'"));
                    }
                    return null;
                }

                reader = context.getPkg().getClassFieldAccessorStore().getMVELReader( context.getPkg().getName(),
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                                                                               context.getConfiguration().getEvaluatorRegistry().getEvaluator( ValueType.PINTEGER_TYPE,
                                                                                                                                               Operator.EQUAL ) );
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                          returnValueDescr,
                                                                          returnValueDescr.getContent(),
                                                                          new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap(), null, Cheese.class ) );
        context.getBuildStack().push( patternB );
        builder.build( context,
                       analysis.getBoundIdentifiers(),
                       previousDeclarations,
                       localDeclarations,
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                                                                       localDeclarations );
       
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                          predicateDescr,
                                                                          predicateDescr.getContent(),
                                                                          new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap(), null, Cheese.class ) );

        builder.build( context,
                       new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap() ),
                       previousDeclarations,
                       localDeclarations,
                       predicate,
                       predicateDescr,
                       analysis );
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Related Classes of org.drools.compiler.BoundIdentifiers

  • org.drools.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.rule.builder.dialect.DialectUtil
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilderTest
  • org.drools.rule.builder.dialect.java.JavaConsequenceBuilder
  • org.drools.rule.builder.dialect.java.JavaConsequenceBuilderTest
  • org.drools.rule.builder.dialect.java.JavaEvalBuilder
  • org.drools.rule.builder.dialect.java.JavaExprAnalyzer
  • org.drools.rule.builder.dialect.java.JavaExprAnalyzerTest
  • org.drools.rule.builder.dialect.mvel.MVELAccumulateBuilder
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