Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.Dialect

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    protected void createAndBuildPredicate( RuleBuildContext context,
                                          Pattern pattern,
                                          BaseDescr base,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
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                target.setReadAccessor( reader );
            }
        } else if ( ! identifierRegexp.matcher( fieldName ).matches()
                    || ( fieldName.indexOf( '.' ) > -1 || fieldName.indexOf( '[' ) > -1 || fieldName.indexOf( '(' ) > -1 ) ) {
            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();

            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );
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        if (this.rule.getDialect() == null) {
            this.rule.setDialect(getDialect().getId());
        }

        Dialect dialect = getDialect();
        if (dialect != null ) {
            dialect.init( ruleDescr );
        }

        compilerFactory = pkgBuilder.getPackageBuilderConfiguration().getComponentFactory();

    }
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    protected void createAndBuildPredicate( RuleBuildContext context,
                                          Pattern pattern,
                                          BaseDescr base,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
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                target.setReadAccessor( reader );
            }
        } else if ( ! identifierRegexp.matcher( fieldName ).matches()
                    || ( fieldName.indexOf( '.' ) > -1 || fieldName.indexOf( '[' ) > -1 || fieldName.indexOf( '(' ) > -1 ) ) {
            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            Map<String, Class< ? >> globals = context.getKnowledgeBuilder().getGlobals();

            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );
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    }

    private void addFunction(final FunctionDescr functionDescr) {
        functionDescr.setResource(this.resource);
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.addFunction(functionDescr,
                            pkgRegistry.getTypeResolver(),
                            this.resource);
    }
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                            this.resource);
    }

    private void preCompileAddFunction(final FunctionDescr functionDescr) {
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.preCompileAddFunction(functionDescr,
                                      pkgRegistry.getTypeResolver());
    }
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                                      pkgRegistry.getTypeResolver());
    }

    private void postCompileAddFunction(final FunctionDescr functionDescr) {
        PackageRegistry pkgRegistry = this.pkgRegistryMap.get(functionDescr.getNamespace());
        Dialect dialect = pkgRegistry.getDialectCompiletimeRegistry().getDialect(functionDescr.getDialect());
        dialect.postCompileAddFunction(functionDescr, pkgRegistry.getTypeResolver());

        if (rootClassLoader instanceof ProjectClassLoader) {
            String functionClassName = functionDescr.getClassName();
            JavaDialectRuntimeData runtime = ((JavaDialectRuntimeData) pkgRegistry.getDialectRuntimeRegistry().getDialectData( "java" ));
            byte [] def = runtime.getStore().get(convertClassToResourcePath(functionClassName));
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    public EvaluatorWrapper wrapEvaluator( Evaluator evaluator, Declaration left, Declaration right ) {
        return new EvaluatorWrapper( evaluator, left, right );
    }

    public MVELCompilationUnit buildCompilationUnit(RuleBuildContext context, Pattern pattern, String expression, Map<String, OperatorDescr> aliases) {
        Dialect dialect = context.getDialect();
        context.setDialect( context.getDialect( "mvel" ) );

        PredicateDescr predicateDescr = new PredicateDescr( context.getRuleDescr().getResource(), expression );
        AnalysisResult analysis = buildAnalysis(context, pattern, predicateDescr, aliases);
        if ( analysis == null ) {
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    protected void createAndBuildPredicate( RuleBuildContext context,
                                          Pattern pattern,
                                          BaseDescr base,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
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Related Classes of org.drools.compiler.compiler.Dialect

  • org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.MVELConstraintBuilder
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.compiler.rule.builder.RuleBuildContext
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