Examples with KnowledgeBase org.drools.KnowledgeBase used on opensource projects

Example 51 with KnowledgeBase

use of org.drools.KnowledgeBase in project Activiti by Activiti.

the class RulesDeployer method deploy.

public void deploy(DeploymentEntity deployment, Map<String, Object> deploymentSettings) {
    log.debug("Processing deployment {}", deployment.getName());
    KnowledgeBuilder knowledgeBuilder = null;
    DeploymentManager deploymentManager = Context.getProcessEngineConfiguration().getDeploymentManager();
    Map<String, ResourceEntity> resources = deployment.getResources();
    for (String resourceName : resources.keySet()) {
        log.info("Processing resource {}", resourceName);
        if (resourceName.endsWith(".drl")) {
            // is only parsing .drls sufficient? what about other rule dsl's? (@see ResourceType)
            if (knowledgeBuilder == null) {
                knowledgeBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
            }
            ResourceEntity resourceEntity = resources.get(resourceName);
            byte[] resourceBytes = resourceEntity.getBytes();
            Resource droolsResource = ResourceFactory.newByteArrayResource(resourceBytes);
            knowledgeBuilder.add(droolsResource, ResourceType.DRL);
        }
    }
    if (knowledgeBuilder != null) {
        KnowledgeBase knowledgeBase = knowledgeBuilder.newKnowledgeBase();
        deploymentManager.getKnowledgeBaseCache().add(deployment.getId(), knowledgeBase);
    }
}

Example 52 with KnowledgeBase

use of org.drools.KnowledgeBase in project sling by apache.

the class AbstractUsingBundleListMojo method createKnowledgeBase.

private KnowledgeBase createKnowledgeBase(File[] files) throws MojoExecutionException {
    KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    builder.add(ResourceFactory.newClassPathResource("drools-globals.drl", getClass()), ResourceType.DRL);
    for (File file : files) {
        getLog().info("Parsing rule file " + file.getAbsolutePath());
        builder.add(ResourceFactory.newFileResource(file), ResourceType.DRL);
    }
    if (builder.hasErrors()) {
        getLog().error("Rule errors:");
        for (KnowledgeBuilderError error : builder.getErrors()) {
            getLog().error(error.toString());
        }
        throw new MojoExecutionException("Unable to create rules. See log for details.");
    }
    KnowledgeBase base = KnowledgeBaseFactory.newKnowledgeBase();
    base.addKnowledgePackages(builder.getKnowledgePackages());
    return base;
}