Examples with RuleAdapter org.apache.stanbol.rules.base.api.RuleAdapter used on opensource projects

Example 1 with RuleAdapter

use of org.apache.stanbol.rules.base.api.RuleAdapter in project stanbol by apache.

the class RecipeInputProvider method getInput.

@SuppressWarnings("unchecked")
@Override
public <T> Iterator<T> getInput(Class<T> type) throws IOException {
    ReasoningProvider reasoningProvider = null;
    if (type.isAssignableFrom(SWRLRule.class)) {
        reasoningProvider = ReasoningProvider.OWL2;
    } else if (type.isAssignableFrom(Rule.class)) {
        reasoningProvider = ReasoningProvider.Jena;
    } else {
        log.error("Cannot adapt to this type {}", type.getCanonicalName());
        throw new UnsupportedOperationException("Cannot adapt to " + type.getCanonicalName());
    }
    switch(reasoningProvider) {
        case OWL2:
            List<SWRLRule> rules = null;
            if (recipeId != null) {
                long start = System.currentTimeMillis();
                log.info("[start] Prepare rules for OWLApi ");
                // If recipe exists, return it as a list of SWRL rules
                rules = new ArrayList<SWRLRule>();
                try {
                    Recipe recipe = null;
                    synchronized (store) {
                        try {
                            recipe = store.getRecipe(new IRI(recipeId));
                        } catch (RecipeConstructionException e) {
                            log.error("An error occurred while generating the recipe.", e);
                        }
                    }
                    log.debug("Recipe is: {}", recipe);
                    /*
	                 * We ask to the adapter manager to get the right adapter in order to transform
	                 * recipes into SWRLRule objects.
	                 */
                    RuleAdapter adapter;
                    try {
                        adapter = adapterManager.getAdapter(recipe, SWRLRule.class);
                        rules = (List<SWRLRule>) adapter.adaptTo(recipe, SWRLRule.class);
                    } catch (UnavailableRuleObjectException e) {
                        log.error(e.getMessage(), e);
                    } catch (RuleAtomCallExeption e) {
                        log.error(e.getMessage(), e);
                    } catch (UnsupportedTypeForExportException e) {
                        log.error(e.getMessage(), e);
                    }
                /*
	                RuleList ruleList = recipe.getRuleList();
	                log.debug("RuleList is: {}",ruleList);
	                for(org.apache.stanbol.rules.base.api.Rule r : ruleList ){
	                    SWRLRule swrl = r.toSWRL(OWLManager.getOWLDataFactory());
	                    log.debug("Prepared rule: {}",swrl);
	                    rules.add(swrl);
	                }*/
                } catch (NoSuchRecipeException e) {
                    log.error("Recipe {} does not exists", recipeId);
                    throw new IOException(e);
                }
                long end = System.currentTimeMillis();
                log.info("[end] Prepared {} rules for OWLApi in {} ms.", rules.size(), (end - start));
            }
            if (rules == null) {
                log.error("No rules have been loaded");
                throw new IOException("No rules loaded");
            }
            final Iterator<SWRLRule> iterator = Collections.unmodifiableList(rules).iterator();
            return new Iterator<T>() {

                @Override
                public boolean hasNext() {
                    return iterator.hasNext();
                }

                @Override
                public T next() {
                    return (T) iterator.next();
                }

                @Override
                public void remove() {
                    log.error("Cannot remove items from this iterator. This may be cused by an error in the program");
                    throw new UnsupportedOperationException("Cannot remove items from this iterator");
                }
            };
        case Jena:
            List<Rule> jenaRules = null;
            if (recipeId != null) {
                long start = System.currentTimeMillis();
                log.info("[start] Prepare rules for Jena ");
                try {
                    Recipe recipe = null;
                    synchronized (store) {
                        try {
                            recipe = store.getRecipe(new IRI(recipeId));
                        } catch (RecipeConstructionException e) {
                            log.error("An error occurred while generating the recipe.", e);
                        }
                    }
                    if (recipe != null) {
                        log.debug("Recipe is: {}", recipe);
                        /*
		                 * We ask to the adapter manager to get the right adapter in order to transform
		                 * recipes into Jena Rule objects.
		                 */
                        RuleAdapter adapter;
                        try {
                            adapter = adapterManager.getAdapter(recipe, Rule.class);
                            jenaRules = (List<Rule>) adapter.adaptTo(recipe, Rule.class);
                        } catch (UnavailableRuleObjectException e) {
                            log.error(e.getMessage(), e);
                        } catch (RuleAtomCallExeption e) {
                            log.error(e.getMessage(), e);
                        } catch (UnsupportedTypeForExportException e) {
                            log.error(e.getMessage(), e);
                        }
                    }
                //jenaRules = recipe.toJenaRules();
                } catch (NoSuchRecipeException e) {
                    log.error("Recipe {} does not exists", recipeId);
                    throw new IOException(e);
                }
                long end = System.currentTimeMillis();
                log.info("[end] Prepared {} rules for Jena in {} ms.", jenaRules.size(), (end - start));
            }
            if (jenaRules == null) {
                log.error("No rules have been loaded");
                throw new IOException("No rules loaded");
            }
            final Iterator<Rule> jRiterator = Collections.unmodifiableList(jenaRules).iterator();
            return new Iterator<T>() {

                @Override
                public boolean hasNext() {
                    return jRiterator.hasNext();
                }

                @Override
                public T next() {
                    return (T) jRiterator.next();
                }

                @Override
                public void remove() {
                    log.error("Cannot remove items from this iterator. This may be cused by an error in the program");
                    throw new UnsupportedOperationException("Cannot remove items from this iterator");
                }
            };
        default:
            return null;
    }
}

Example 2 with RuleAdapter

use of org.apache.stanbol.rules.base.api.RuleAdapter in project stanbol by apache.

the class JenaAdapter method main.

public static void main(String[] args) {
    RuleAdapter ruleAdapter = new JenaAdapter();
    try {
        KB kb = RuleParserImpl.parse("http://sssw.org/2012/rules/", new FileInputStream("/Users/mac/Documents/CNR/SSSW2012/rules/exercise1"));
        System.out.println("Rules: " + kb.getRuleList().size());
        Recipe recipe = new RecipeImpl(new IRI("http://sssw.org/2012/rules/"), "Recipe", kb.getRuleList());
        List<com.hp.hpl.jena.reasoner.rulesys.Rule> jenaRules = (List<com.hp.hpl.jena.reasoner.rulesys.Rule>) ruleAdapter.adaptTo(recipe, com.hp.hpl.jena.reasoner.rulesys.Rule.class);
        String rules = "[ Exercise1: (http://dbpedia.org/resource/Madrid http://dbpedia.org/ontology/locationOf ?location) (?location rdf:type http://dbpedia.org/ontology/Museum) (?location http://dbpedia.org/ontology/numberOfVisitors ?visitors) greaterThan(?visitors '2000000'^^http://www.w3.org/2001/XMLSchema#integer) -> (?location rdf:type http://www.mytravels.com/Itinerary/MadridItinerary) ]";
        //List<com.hp.hpl.jena.reasoner.rulesys.Rule> jenaRules = com.hp.hpl.jena.reasoner.rulesys.Rule.parseRules(rules);
        for (com.hp.hpl.jena.reasoner.rulesys.Rule jenaRule : jenaRules) {
            System.out.println(jenaRule.toString());
        }
        Model m = ModelFactory.createDefaultModel();
        Resource configuration = m.createResource();
        configuration.addProperty(ReasonerVocabulary.PROPruleMode, "hybrid");
        //Model model = FileManager.get().loadModel("/Users/mac/Documents/workspaceMyStanbol/sssw2012/events.rdf");
        Model model = FileManager.get().loadModel("/Users/mac/Documents/CNR/SSSW2012/datasets_new/Exercise1.rdf");
        //GenericRuleReasoner reasoner = new GenericRuleReasoner(jenaRules);
        //GenericRuleReasoner reasoner = new GenericRuleReasoner(com.hp.hpl.jena.reasoner.rulesys.Rule.parseRules(rules));
        GenericRuleReasoner reasoner = new GenericRuleReasoner(jenaRules);
        // not needed in RDFS case
        reasoner.setOWLTranslation(true);
        reasoner.setTransitiveClosureCaching(true);
        InfModel infModel = ModelFactory.createInfModel(reasoner, model);
        infModel.prepare();
        infModel.getDeductionsModel().write(System.out);
        //String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MovieCityMuseums> }";
        //String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/CityEventItinerary> }";
        String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MadridItinerary> }";
        //String sparql = "select * where {?s a <http://linkedevents.org/ontology/cazzo> }"; 
        //String sparql = "select * where {?s a <http://www.mytravels.com/Itinerary/MovieCityItinerary> }";
        Query query = QueryFactory.create(sparql, Syntax.syntaxARQ);
        QueryExecution queryExecution = QueryExecutionFactory.create(query, infModel);
        com.hp.hpl.jena.query.ResultSet resultSet = queryExecution.execSelect();
        ResultSetFormatter.out(System.out, resultSet);
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (RuleAtomCallExeption e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (UnavailableRuleObjectException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (UnsupportedTypeForExportException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

Example 3 with RuleAdapter

use of org.apache.stanbol.rules.base.api.RuleAdapter in project stanbol by apache.

the class RefactorerImpl method graphRefactoring.

@SuppressWarnings("unchecked")
@Override
public Graph graphRefactoring(Graph inputGraph, Recipe recipe) throws RefactoringException {
    RuleAdapter ruleAdapter;
    try {
        ruleAdapter = ruleAdapterManager.getAdapter(recipe, ConstructQuery.class);
        List<ConstructQuery> constructQueries = (List<ConstructQuery>) ruleAdapter.adaptTo(recipe, ConstructQuery.class);
        for (ConstructQuery constructQuery : constructQueries) {
            System.out.println(constructQuery.toString());
        }
        Graph unionGraph = new SimpleGraph();
        for (ConstructQuery constructQuery : constructQueries) {
            unionGraph.addAll(sparqlConstruct(constructQuery, inputGraph));
        }
        return unionGraph;
    } catch (UnavailableRuleObjectException e) {
        throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
    } catch (UnsupportedTypeForExportException e) {
        throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
    } catch (RuleAtomCallExeption e) {
        throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
    }
}

Example 4 with RuleAdapter

use of org.apache.stanbol.rules.base.api.RuleAdapter in project stanbol by apache.

the class RefactorerImpl method graphRefactoring.

@SuppressWarnings("unchecked")
@Override
public void graphRefactoring(IRI refactoredOntologyID, IRI datasetID, IRI recipeID) throws RefactoringException, NoSuchRecipeException {
    Recipe recipe;
    try {
        try {
            recipe = ruleStore.getRecipe(recipeID);
            RuleAdapter ruleAdapter = ruleAdapterManager.getAdapter(recipe, ConstructQuery.class);
            List<ConstructQuery> constructQueries = (List<ConstructQuery>) ruleAdapter.adaptTo(recipe, ConstructQuery.class);
            Graph mGraph = tcManager.createGraph(refactoredOntologyID);
            for (ConstructQuery constructQuery : constructQueries) {
                mGraph.addAll(this.sparqlConstruct(constructQuery, datasetID));
            }
        } catch (RecipeConstructionException e) {
            throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
        } catch (UnavailableRuleObjectException e) {
            throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
        } catch (UnsupportedTypeForExportException e) {
            throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
        } catch (RuleAtomCallExeption e) {
            throw new RefactoringException("The cause of the refactoring excpetion is: " + e.getMessage(), e);
        }
    } catch (NoSuchRecipeException e1) {
        log.error("No Such recipe in the Rule Store", e1);
        throw e1;
    }
}

Example 5 with RuleAdapter

use of org.apache.stanbol.rules.base.api.RuleAdapter in project stanbol by apache.

the class RulesResource method adaptTo.

/**
     * Return the String representation of a recipe adapted to another format, e.g., Jena rules, SPARQL
     * CONSTRUCTs, Clerezza, SWRL, etc.
     * 
     * @param recipe
     *            {The ID of the recipe}
     * @param format
     *            {The canonical name of the class we want have back, e.g.,
     *            org.apache.stanbol.rules.base.api.Rule for Jena Rules}
     * @param headers
     *            {@link HttpHeaders}
     * @return <ul>
     *         <li>200: it works properly and the string representation of the recipe according to the format
     *         provided is returned</li>
     *         <li>204: the recipe does not exist in the store</li>
     *         <li>403: a class exists for the format provided but there is no adapter for that</li>
     *         <li>404: no class exists in the context for the format provided</li>
     *         <li>406: some error occurred while converting a rule of the recipe</li>
     *         <li>409: some atom of a rule in the recipe cannot be converted to the format provided</li>
     *         </ul>
     */
@GET
@Produces(value = { KRFormat.RDF_JSON })
@Path("/adapters/{recipe:.+}")
public Response adaptTo(@PathParam("recipe") String recipe, @QueryParam("format") String format, @Context HttpHeaders headers) {
    ResponseBuilder responseBuilder = null;
    Class<?> classToLoad;
    try {
        // ClassLoader loader = Thread.currentThread().getContextClassLoader();
        // classToLoad = loader.loadClass(format);
        classToLoad = Class.forName(format);
        URI uri = new URI(recipe);
        if (uri.getScheme() == null) {
            recipe = "urn:" + recipe;
            log.info("The recipe ID is a URI without scheme. The ID is set to " + recipe);
        }
        Recipe rcp = ruleStore.getRecipe(new IRI(recipe));
        RuleAdapter adapter = adapterManager.getAdapter(rcp, classToLoad);
        Object adaptedRecipe = adapter.adaptTo(rcp, classToLoad);
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("recipe", rcp.getRecipeID().toString());
            jsonObject.put("adaptedTo", format);
            jsonObject.put("result", adaptedRecipe.toString());
        } catch (JSONException e) {
            log.error(e.getMessage(), e);
        }
        responseBuilder = Response.ok(jsonObject.toString());
    } catch (ClassNotFoundException e) {
        responseBuilder = Response.status(Status.NOT_FOUND);
        log.error(e.getMessage(), e);
    } catch (NoSuchRecipeException e) {
        responseBuilder = Response.status(Status.NO_CONTENT);
        log.error(e.getMessage(), e);
    } catch (RecipeConstructionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (UnavailableRuleObjectException e) {
        responseBuilder = Response.status(Status.NOT_ACCEPTABLE);
        log.error(e.getMessage(), e);
    } catch (RuleAtomCallExeption e) {
        responseBuilder = Response.status(Status.CONFLICT);
        log.error(e.getMessage(), e);
    } catch (UnsupportedTypeForExportException e) {
        responseBuilder = Response.status(Status.FORBIDDEN);
        log.error(e.getMessage(), e);
    } catch (URISyntaxException e) {
        responseBuilder = Response.status(Status.NOT_ACCEPTABLE);
        log.error(e.getMessage(), e);
    }
    //        addCORSOrigin(servletContext, responseBuilder, headers);
    return responseBuilder.build();
}