Java Rule类代码示例

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
@Deprecated
   public static boolean inferClassRelations_OLD(Model classModel) {
InputStream is = AbstractNIFParser.class.getClassLoader()
	.getResourceAsStream(TYPE_INFERENCE_RULES);
List<String> lines;
try {
    lines = IOUtils.readLines(is);
} catch (IOException e) {
    LOGGER.error("Couldn't load type inferencer rules from resource \""
	    + TYPE_INFERENCE_RULES
	    + "\". Working on the standard model.", e);
    return false;
}
IOUtils.closeQuietly(is);
StringBuilder sb = new StringBuilder();
for (String line : lines) {
    sb.append(line);
}

Reasoner reasoner = new GenericRuleReasoner(Rule.parseRules(sb
	.toString()));
InfModel infModel = ModelFactory.createInfModel(reasoner, classModel);
classModel.add(infModel);
return true;
   }
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
/**
 * @param conf
 *            register some Jena serialisers to this configuration
 */
public static void registerSerializers(Config conf) {
	conf.registerSerialization(Node[].class, NodeSerialiser_ARRAY.class);
	conf.registerSerialization(Node_URI.class, NodeSerialiser_URI.class);
	conf.registerSerialization(Node_Literal.class, NodeSerialiser_Literal.class);
	conf.registerSerialization(Node_Blank.class, NodeSerialiser_Blank.class);
	conf.registerSerialization(Node_Variable.class, NodeSerialiser_Variable.class);
	conf.registerSerialization(Triple.class, TripleSerialiser.class);
	conf.registerSerialization(ArrayList.class);
	conf.registerSerialization(KestrelServerSpec.class, KestrelServerSpec_Serializer.class);
	conf.registerSerialization(Rule.class, RuleSerializer.class);
	conf.registerSerialization(Graph.class, GraphSerialiser.class);
	conf.registerSerialization(GraphMem.class, GraphSerialiser.class);
	conf.registerSerialization(MultiUnion.class, GraphSerialiser.class);
	conf.registerSerialization(Template.class, TemplateSerialiser.class);
	conf.registerSerialization(ElementFilter.class);
	// conf.registerSerialization(Node_NULL.class);
	// conf.registerSerialization(Node_Blank.class);
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public static SimpleSubClassInferencer createInferencer(Model classModel) {
    String resourceName = GerbilConfiguration.getInstance().getString(SUB_CLASS_INFERENCER_RULE_FILE_KEY);
    if (resourceName == null) {
        LOGGER.error("Couldn't load subclass inferencer rules resource name from properties. Returning null.");
        return null;
    }
    InputStream is = RootConfig.class.getClassLoader().getResourceAsStream(resourceName);
    List<String> lines;
    try {
        lines = IOUtils.readLines(is);
    } catch (IOException e) {
        LOGGER.error("Couldn't load subclass inferencer rules from resource \"" + resourceName
                + "\". Returning null.", e);
        return null;
    }
    IOUtils.closeQuietly(is);
    StringBuilder sb = new StringBuilder();
    for (String line : lines) {
        sb.append(line);
    }

    Reasoner reasoner = new GenericRuleReasoner(Rule.parseRules(sb.toString()));
    InfModel inf = ModelFactory.createInfModel(reasoner, classModel);
    SimpleSubClassInferencer inferencer = new SimpleSubClassInferencer(inf);
    return inferencer;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public boolean addRules(List<String> rules) {
	for(String f:rules)
		ruleList.add(Rule.parseRule(f));	
	if (preBoundReasoner != null) {
		reasoner = preBoundReasoner;
		preBoundReasoner = null;
	}
	try {
		if (getReasonerOnlyWhenNeeded() != null) {
			getReasonerOnlyWhenNeeded().setRules(ruleList);
		}
	} catch (ConfigurationException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	newInputFlag = true;
	dataModelSourceCount++;
	return true;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public List<Explanation> explain(String rulename) {
	startTrace();
	try {
		if (getReasonerOnlyWhenNeeded() != null) {
			getReasonerOnlyWhenNeeded().setDerivationLogging(true);
			List<Rule> rules = getReasonerOnlyWhenNeeded().getRules();
			for (int i = 0; i < rules.size(); i++) {
				String ruleName = rules.get(i).getName();
				if (ruleName != null && ruleName.equals(rulename)) {
					return explainRule(rules.get(i), null);
				}
			}
			List<Explanation> explanations = new ArrayList<Explanation>();
			Explanation expl = new Explanation(null, "Failed to get explanation for rule '" + rulename + "'. Rule not in loaded rule set.");
			explanations.add(expl);
			endTrace();
			return explanations;
		}
	} catch (ConfigurationException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	return null;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
@Before
public void setUp() throws Exception {
    // We are going to load mapping and rules files.
    Model mapModel = FileManager.get().loadModel("./mapping.ttl");
    this.instances = new ModelD2RQ(mapModel, "http://www.morelab.deusto.es/ontologies/sorelcom#");
    this.myReasoner = new GenericRuleReasoner(Rule.rulesFromURL("file:./rules.txt"));
    this.myReasoner.setDerivationLogging(true);
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
/**
 * Test if rules are properly loaded
 *
 */
@Test
public void testValidRulesFile() throws Exception {
    boolean res = false;
    // We are going to load rules from file
    List<Rule> listOfRules = Rule.rulesFromURL("file:./rules.txt");
    if (listOfRules.size() > 0) {
        // There are rules loaded into the list, so the file contains valid rules
        res = true;
    }
    assertTrue(res);
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
private static void bindJenaRuleReasoner() {
	final String rule = "[gmailFriend: (?person <http://xmlns.com/foaf/0.1/mbox_sha1sum> ?email), strConcat(?email, ?lit), regex(?lit, '(.*gmail.com)')"
			+ "-> (?person " + RDF_TYPE_INSPARQL + " <http://www.people.com#GmailPerson>)]";
	Reasoner ruleReasoner = new GenericRuleReasoner(Rule.parseRules(rule));
	ruleReasoner = ruleReasoner.bindSchema(schema);
	inferredModel = ModelFactory.createInfModel(ruleReasoner, friendsModel);
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public boolean loadRules(URI ruleFileName) throws IOException {
	if (ruleFileName != null) {
		ruleList.addAll(Rule.rulesFromURL(ruleFileName.toString()));
		newInputFlag  = true;
		dataModelSourceCount++;
		return true;
	}
	//TODO this needs to handle the case where there are no rules
	else 
		return false;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public boolean deleteRule(String ruleName) throws RuleNotFoundException {
	try {
		getReasonerOnlyWhenNeeded();
	} catch (ConfigurationException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}
	for (int i=0; i<ruleList.size();i++){			
		Rule r  = ruleList.get(i);
		String rName = new String(r.getName());
		if(rName.equals(ruleName)){
			ruleList.remove(r);
			if (preBoundReasoner != null) {
				reasoner = preBoundReasoner;
				preBoundReasoner = null;
			}
			try {
				if (getReasonerOnlyWhenNeeded() != null) {
					getReasonerOnlyWhenNeeded().setRules(ruleList);
				}
			} catch (ConfigurationException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			newInputFlag = true;
			return true;
		}			
	}
	dataModelSourceCount++;
	return false;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
protected ResultSet processRuleQuery(com.hp.hpl.jena.reasoner.rulesys.Rule rule, List<String> premisesAsStrings, String q) throws QueryParseException, QueryCancelledException {
	logger.debug("Explanation executing query: " + q);
	ResultSet rs = ask(q);
	if (rs != null) {
		int numResults = rs.getRowCount();
		String[] headers = rs.getColumnNames();
		String headerStr = "          ";
		for (int hi = 0; hi < headers.length; hi++) {
			if (hi > 0) headerStr += ", ";
			headerStr += "?" + headers[hi].toString();
		}
		for (int row = 0; row < numResults; row++) {
			String rowStr = "          ";
			for (int col = 0; col < rs.getColumnCount(); col++) {
				if (col > 0) rowStr += ", ";
				Object o = rs.getResultAt(row, col);
				if (o instanceof com.hp.hpl.jena.graph.Node) {
					rowStr += nodeShortString((com.hp.hpl.jena.graph.Node)o);
				}
				else if (o instanceof String && ((String)o).indexOf('#') > 0) {
					rowStr += ((String)o).substring(((String)o).indexOf('#') + 1);
				}
				else {
					rowStr += o.toString();
				}
			}
		}
	}
	return rs;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
private boolean writeRules(OntModel ontModel, String modelName) throws ConfigurationException, IOException {
	ConfigurationManagerForEditing cmgr = getConfigurationMgr();
	String altUrl = cmgr.getAltUrlFromPublicUri(modelName);
	String rulefn = altUrl.substring(0, altUrl.lastIndexOf(".")) + ".rules";
	SadlUtils su = new SadlUtils();
	File ruleFile = new File(su.fileUrlToFileName(rulefn));
	List<Rule> rules = editedRules.get(modelName);
	
	StringBuilder contents = new StringBuilder();
	contents.append("# Jena Rules file generated by SadlServerPE.\n");
	
	StringBuilder ruleContent = new StringBuilder();
	for (int i = 0; i < rules.size(); i++) {
		Rule rule = rules.get(i);
		ruleContent.append(rule.toString());
		ruleContent.append("\n");
	}
	
	// We will assume for the moment that there are no prefixes  but that all names are the FQName
	
	contents.append("\n");
	
	// Because rule files are loaded for each sub-model, there is no need to put in includes
	if (ruleContent.length() > 0) {
		contents.append(ruleContent);
	}
	su.stringToFile(ruleFile, contents.toString(), false);
	return true;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
protected ResultSet processRuleQuery(com.hp.hpl.jena.reasoner.rulesys.Rule rule, List<String> premisesAsStrings, String q) throws QueryParseException, QueryCancelledException, InvalidNameException, ConfigurationException {
	logger.debug("Explanation executing query: " + q);
	q = prepareQuery(q);
	ResultSet rs = ask(q);
	if (rs != null) {
		int numResults = rs.getRowCount();
		String[] headers = rs.getColumnNames();
		String headerStr = "          ";
		for (int hi = 0; hi < headers.length; hi++) {
			if (hi > 0) headerStr += ", ";
			headerStr += "?" + headers[hi].toString();
		}
		for (int row = 0; row < numResults; row++) {
			String rowStr = "          ";
			for (int col = 0; col < rs.getColumnCount(); col++) {
				if (col > 0) rowStr += ", ";
				Object o = rs.getResultAt(row, col);
				if (o instanceof com.hp.hpl.jena.graph.Node) {
					rowStr += nodeShortString((com.hp.hpl.jena.graph.Node)o);
				}
				else if (o instanceof String && ((String)o).indexOf('#') > 0) {
					rowStr += ((String)o).substring(((String)o).indexOf('#') + 1);
				}
				else {
					rowStr += o.toString();
				}
			}
		}
	}
	return rs;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
private Model runInference(Model data, URL rules, int lineLength, int maxLineLength) throws IOException
{	
	Reasoner reasoner = new GenericRuleReasoner(Rule.rulesFromURL(rules.toString()));
	InfModel inf = ModelFactory.createInfModel(reasoner, data);
	
	// Break long literals (more than lineLength chars) using carriage returns
	Model remove = ModelFactory.createDefaultModel();
	Model add = ModelFactory.createDefaultModel();
	Selector sel = new SimpleSelector(null, null, (String)null);
	for(StmtIterator sIt = inf.listStatements(sel); sIt.hasNext();)
	{
		Statement s = sIt.nextStatement();
		if(!s.getObject().isLiteral())
			continue;
		String l = s.getString();
		
		String lp = paginate(l, lineLength, maxLineLength);
		if (lp.length() != l.length())
		{
			remove.add(s);
			add.add(s.getSubject(), s.getPredicate(), lp, s.getLanguage());
		}
	}
	
	inf.remove(remove);
	inf.add(add);
	
	return inf;
}
 

import com.hp.hpl.jena.reasoner.rulesys.Rule; //导入依赖的package包/类
public static List<Rule> addRules( List<Rule> result, Assembler a, Resource root )
{
addLiteralRules( root, result );
addIndirectRules( a, root, result );
addExternalRules( root, result );
return result;
}