Examples with DuplicateProcess org.drools.compiler.compiler.DuplicateProcess used on opensource projects

Example 1 with DuplicateProcess

use of org.drools.compiler.compiler.DuplicateProcess in project jbpm by kiegroup.

the class ProcessBuilderImpl method buildProcess.

public void buildProcess(final Process process, Resource resource) {
    if (resource != null) {
        ((org.jbpm.process.core.Process) process).setResource(resource);
    }
    boolean hasErrors = false;
    ProcessValidator validator = ProcessValidatorRegistry.getInstance().getValidator(process, resource);
    if (validator == null) {
        logger.warn("Could not find validator for process {}.", ((Process) process).getType());
        logger.warn("Continuing without validation of the process {} [{}]", process.getName(), process.getId());
    } else {
        ProcessValidationError[] errors = validator.validateProcess((WorkflowProcess) process);
        if (errors.length != 0) {
            hasErrors = true;
            for (int i = 0; i < errors.length; i++) {
                this.errors.add(new ParserError(resource, errors[i].toString(), -1, -1));
            }
        }
    }
    if (!hasErrors) {
        // generate and add rule for process
        String rules = "package " + process.getPackageName() + "\n";
        // NPE for validator
        if (validator != null && validator.compilationSupported()) {
            rules = generateRules(process);
        }
        try {
            knowledgeBuilder.addPackageFromDrl(new StringReader(rules), resource);
        } catch (IOException e) {
            // should never occur
            logger.error("IOException during addPackageFromDRL", e);
        } catch (DroolsParserException e) {
            // should never occur
            logger.error("DroolsParserException during addPackageFromDRL", e);
        }
        PackageRegistry pkgRegistry = this.knowledgeBuilder.getPackageRegistry(process.getPackageName());
        if (pkgRegistry != null) {
            InternalKnowledgePackage p = pkgRegistry.getPackage();
            if (p != null) {
                if (validator != null) {
                    // NPE for validator
                    if (validator.compilationSupported()) {
                        ProcessDescr processDescr = new ProcessDescr();
                        processDescr.setName(process.getPackageName() + "." + process.getName());
                        processDescr.setResource(resource);
                        processDescr.setProcessId(process.getId());
                        DialectCompiletimeRegistry dialectRegistry = pkgRegistry.getDialectCompiletimeRegistry();
                        Dialect dialect = dialectRegistry.getDialect("java");
                        dialect.init(processDescr);
                        ProcessBuildContext buildContext = new ProcessBuildContext(this.knowledgeBuilder, p, process, processDescr, dialectRegistry, dialect);
                        buildContexts((ContextContainer) process, buildContext);
                        if (process instanceof WorkflowProcess) {
                            buildNodes((WorkflowProcess) process, buildContext);
                        }
                    }
                    Process duplicateProcess = p.getRuleFlows().get(process.getId());
                    if (duplicateProcess != null) {
                        Resource duplicatedResource = duplicateProcess.getResource();
                        if (resource == null || duplicatedResource == null || duplicatedResource.getSourcePath() == null || duplicatedResource.getSourcePath().equals(resource.getSourcePath())) {
                            this.errors.add(new DuplicateProcess(process, this.knowledgeBuilder.getBuilderConfiguration()));
                        } else {
                            this.errors.add(new ParserError(resource, "Process with same id already exists: " + process.getId(), -1, -1));
                        }
                    }
                    p.addProcess(process);
                    // NPE for validator
                    if (validator.compilationSupported()) {
                        pkgRegistry.compileAll();
                        pkgRegistry.getDialectRuntimeRegistry().onBeforeExecute();
                    }
                }
            }
        } else {
            // name of the process
            throw new RuntimeException("invalid package name");
        }
    }
}