Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.Dialect

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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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            if ( target != null ) {
                target.setReadAccessor( reader );
            }
        } else if ( fieldName.indexOf( '.' ) > -1 || fieldName.indexOf( '[' ) > -1 || fieldName.indexOf( '(' ) > -1 ) {
            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );

                Map<String, Class< ? >> declarations = getDeclarationsMap( descr,
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        final Field dialectField = builder.getClass().getDeclaredField( "defaultDialect" );
        dialectField.setAccessible( true );
        String dialectName = (String) dialectField.get( builder );

        reg = builder.getPackageRegistry( pkgDescr.getName() ).getDialectCompiletimeRegistry();
        Dialect dialect = reg.getDialect( dialectName );

        final Field compilerField = dialect.getClass().getDeclaredField( "compiler" );
        compilerField.setAccessible( true );
        JavaCompiler compiler = (JavaCompiler) compilerField.get( dialect );

        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        JavaDialectConfiguration javaConf = (JavaDialectConfiguration) conf.getDialectConfiguration( "java" );
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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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        final Field dialectField = builder.getClass().getDeclaredField( "defaultDialect" );
        dialectField.setAccessible( true );
        String dialectName = (String) dialectField.get( builder );

        reg = builder.getPackageRegistry( pkgDescr.getName() ).getDialectCompiletimeRegistry();
        Dialect dialect = reg.getDialect( dialectName );

        final Field compilerField = dialect.getClass().getDeclaredField( "compiler" );
        compilerField.setAccessible( true );
        JavaCompiler compiler = (JavaCompiler) compilerField.get( dialect );

        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        JavaDialectConfiguration javaConf = (JavaDialectConfiguration) conf.getDialectConfiguration( "java" );
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                                                           KnowledgeBuilderConfigurationImpl pkgConf,
                                                           PackageRegistry pkgRegistry,
                                                           InternalKnowledgePackage pkg) {
        DialectCompiletimeRegistry registry = new DialectCompiletimeRegistry();
        for ( DialectConfiguration conf : this.dialectConfigurations.values() ) {
            Dialect dialect = conf.newDialect( rootClassLoader, pkgConf, pkgRegistry, pkg );
            registry.addDialect( dialect.getId(), dialect );
        }
        return registry;
    }
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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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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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