Java UpdateFactory类代码示例

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
/**
 * @param sparql
 * @return
 */
public boolean runSparqlUpdate(String sparql) {

  if (logger.isDebugEnabled())
    logger.debug("run SPARQL update: {}", sparql);

  HttpClientBuilder clientBuilder = HttpClientBuilder.create();

  setCloudAuthHeaderIfConfigured(clientBuilder);

  if (proxyHost != null && proxyPort != null) {
    HttpHost proxy = new HttpHost(proxyHost, proxyPort);
    clientBuilder.setProxy(proxy);
  }

  try (CloseableHttpClient client = clientBuilder.build()) {
    UpdateRequest update = UpdateFactory.create(sparql, Syntax.syntaxARQ);
    UpdateProcessor processor = UpdateExecutionFactory.createRemoteForm(update, buildSPARQLUrl().toString(), client);
    processor.execute();
  } catch (IOException ioe) {
    throw new RuntimeException("IOException.", ioe);
  }
  return true;
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
public static void main2(String ...args) {
        int PORT = 2020;
        DatasetGraph dsgBase = DatasetGraphFactory.createTxnMem();
        RDFChanges changeLog = RDFPatchOps.textWriter(System.out);
        DatasetGraph dsg = RDFPatchOps.changes(dsgBase, changeLog);
        
        // Create a server with the changes-enables dataset.
        // Plain server. No other registration necessary.
        FusekiServer server = 
            FusekiServer.create()
                .setPort(PORT)
                .add("/ds", dsg)
                .build();
        server.start();

        RDFConnection conn = RDFConnectionFactory.connect("http://localhost:"+PORT+"/ds");
        UpdateRequest update = UpdateFactory.create("PREFIX : <http://example/> INSERT DATA { :s :p 123 }");
        // Note - no prefix in changes. The SPARQL Update prefix is not a chnage to the dataset prefixes.
        conn.update(update);
        
        server.stop(); 
//        // Server in the background so explicitly exit.
//        System.exit(0);
    }
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
@Override
public void generateIndividual(VirtualEntity virtualEntity) {

    Model model = createIndividual(new VirtualEntity());
    
    String id = UUID.randomUUID().toString();
    System.out.println(String.format("Adding %s", id));
    UpdateProcessor upp = UpdateExecutionFactory.createRemote(
            UpdateFactory.create(String.format(UPDATE_TEMPLATE, id)),
            "http://localhost:3030/pswot/update");
    upp.execute();
    //Query the collection, dump output
    QueryExecution qe = QueryExecutionFactory.sparqlService(
            "http://localhost:3030/pswot/query",
            "SELECT * WHERE {?x ?r ?y}");
    ResultSet results = qe.execSelect();
    ResultSetFormatter.out(System.out, results);
    qe.close();

}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
public static void ex3(Dataset dataset)
{
    // Build up the request then execute it.
    // This is the preferred way for complex sequences of operations. 
    UpdateRequest request = UpdateFactory.create() ;
    request.add("DROP ALL")
           .add("CREATE GRAPH <http://example/g2>") ;
    // Different style.
    // Equivalent to request.add("...")
    UpdateFactory.parse(request, "LOAD <file:etc/update-data.ttl> INTO GRAPH <http://example/g2>") ;
    
    // And perform the operations.
    UpdateAction.execute(request, dataset) ;
    
    System.out.println("# Debug format");
    SSE.write(dataset) ;
    
    System.out.println();
    
    System.out.println("# N-Quads: S P O G") ;
    RDFDataMgr.write(System.out, dataset, Lang.NQUADS) ;
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
private void deleteLabelForLanguagePostCheck(Label label) {
	String sparql = "DELETE { ?conceptSchemeURI rdfs:label ?labelValue } WHERE { ?conceptSchemeURI rdfs:label ?labelValue . FILTER(STRLANG(?label) = STR(?labelLanguage)) }";
	ParameterizedSparqlString parameterizedSparql = new ParameterizedSparqlString(model);
	parameterizedSparql.setCommandText(sparql);
	parameterizedSparql.setParam("conceptSchemeURI", resource);
	parameterizedSparql.setParam("labelLanguage", model.createLiteral(label.getValue(), label.getLanguageCode()));
	
	UpdateRequest updateRequest = UpdateFactory.create(parameterizedSparql.getCommandText()); 
	UpdateAction.execute(updateRequest, model);
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
private void deleteLabelPostCheck(Label label) {
	String sparql = "DELETE { ?conceptSchemeURI rdfs:label ?labelValue } WHERE { }";
	ParameterizedSparqlString parameterizedSparql = new ParameterizedSparqlString(model);
	parameterizedSparql.setCommandText(sparql);
	parameterizedSparql.setParam("conceptSchemeURI", resource);
	parameterizedSparql.setParam("labelLanguage", model.createLiteral(label.getValue(), label.getLanguageCode()));
	
	UpdateRequest updateRequest = UpdateFactory.create(parameterizedSparql.getCommandText()); 
	UpdateAction.execute(updateRequest, model);
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
private void runModifySparql(String sparql, String[] idxVals) throws Exception {
	String updateService = Utils.getSdaProperty("com.pineone.icbms.sda.knowledgebase.sparql.endpoint") + "/update";

	String madeQl = makeSparql(sparql, idxVals);
	UpdateRequest ur = UpdateFactory.create(madeQl);
	UpdateProcessor up = UpdateExecutionFactory.createRemote(ur, updateService);
	up.execute();
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
@Override
public boolean sendUpdateQuery(String query) {
    if (query == null) {
        LOGGER.error("Can not send an update query that is null. Returning false.");
        return false;
    }
    UpdateRequest update = UpdateFactory.create(query);
    UpdateProcessor up = UpdateExecutionFactory.create(update, dataset);
    up.execute();
    // DatasetGraph dg = up.getDatasetGraph();
    // return
    // ModelFactory.createModelForGraph(dg.getGraph(NodeFactory.createURI(graphUri)));
    return true;
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
private void run() {
    dsg.clear();
    
    String insertData = "PREFIX foaf: <http://xmlns.com/foaf/0.1/> "
            + "PREFIX : <http://example.org/> "
            +"INSERT DATA {GRAPH :g1 {"
            + ":charles a foaf:Person ; "
            + "        foaf:name \"Charles\" ;"
            + "        foaf:knows :jim ."
            + ":jim    a foaf:Person ;"
            + "        foaf:name \"Jim\" ;"
            + "        foaf:knows :charles ."
            + "} }";
    
    System.out.println("Running SPARQL update");
    
    UpdateRequest update = UpdateFactory.create(insertData);
    UpdateProcessor processor = UpdateExecutionFactory.create(update, dsg);
    processor.execute();
    
    System.out.println("Examine the data as JSON-LD");
    RDFDataMgr.write(System.out, dsg.getGraph(NodeFactory.createURI("http://example.org/g1")), RDFFormat.JSONLD_PRETTY);
    
    System.out.println("Remove it.");
    
    update = UpdateFactory.create("PREFIX : <http://example.org/> DROP GRAPH :g1");
    processor = UpdateExecutionFactory.create(update, dsg);
    processor.execute();
    dsg.close();
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
@Override
public Long getTimeForQueryMs(String query, String queryID) {
	UpdateRequest update = UpdateFactory.create(query);

	// Set update timeout
	RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(this.timeOut.intValue())
			.setConnectTimeout(this.timeOut.intValue()).setSocketTimeout(this.timeOut.intValue()).build();
	CloseableHttpClient client = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).build();

	// create Update Processor and use timeout config
	UpdateProcessor exec = UpdateExecutionFactory.createRemote(update, service, client);
	setCredentials(exec);

	try {
		long start = System.currentTimeMillis();
		// Execute Update
		exec.execute();
		long end = System.currentTimeMillis();
		LOGGER.debug("Worker[{{}} : {{}}]: Update with ID {{}} took {{}}.", this.workerType, this.workerID, queryID,
				end - start);
		// Return time
		return end - start;
	} catch (Exception e) {
		LOGGER.warn("Worker[{{}} : {{}}]: Could not execute the following update\n{{}}\n due to", this.workerType,
				this.workerID, query, e);
	}
	// Exception was thrown, return error
	return -1L;
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
public void  runModifySparql(String sparql, String[] idxVals, String dest) throws Exception {
	String madeQl = makeFinal(sparql, idxVals);
	
	if(dest.equals("ALL") || dest.equals("DW")) {
		String updateService = Utils.getSdaProperty("com.pineone.icbms.sda.knowledgebase.dw.sparql.endpoint") + "/update";
		//String madeQl = makeFinal(sparql, idxVals);
		UpdateRequest ur = UpdateFactory.create(madeQl);
		UpdateProcessor up;
		
		//log.debug("sparql of "+dest+" in runModifySparql ===> "+madeQl);
		log.debug("runModifySparql() on DatWarehouse server start.................................. ");
	
		try {
			log.debug("try (first).................................. ");
			up = UpdateExecutionFactory.createRemote(ur, updateService);
			up.execute();
		} catch (Exception e) {
			int waitTime = 15*1000;
			log.debug("Exception message in runModifySparql() =====> "+e.getMessage());  // HTTP 500 error making the query: java.lang.StackOverflowError or...
			
			try {
				// 일정시간 대기 했다가 다시 수행함
				log.debug("sleeping.(first).................................. in "+waitTime);
				Thread.sleep(waitTime);
				
				log.debug("try (second).................................. ");
				up = UpdateExecutionFactory.createRemote(ur, updateService);
				up.execute();
			} catch (Exception ee) {
				log.debug("Exception 1====>"+ee.getMessage());
				waitTime = 30*1000;
				if(ee.getMessage().contains("Service Unavailable") || ee.getMessage().contains("java.net.ConnectException")			
						 // || ee.getMessage().contains("500 - Server Error") || ee.getMessage().contains("HTTP 500 error") 
						 ) {
					try {
						// restart fuseki
						Utils.restartFuseki();
						
						// 일정시간을 대기 한다.
						log.debug("sleeping (final)................................. in "+waitTime);
						Thread.sleep(waitTime);
						
						// 마지막으로 다시한번 시도한다.
						log.debug("try (final).................................. ");
						up = UpdateExecutionFactory.createRemote(ur, updateService);
						up.execute();
					} catch (Exception eee) {
						log.debug("Exception 2====>"+eee.getMessage());
						throw eee;
					}
				}
				throw ee;
			} // 두번째 try
		} // 첫번째 try
		
		log.debug("runModifySparql() on DataWarehouse server end.................................. ");
	}
	
	if(dest.equals("ALL") || dest.equals("DM")) {
		//동일한(delete or insert) sparql를 DM서버에도 수행함(최근값 혹은 추론결과, subscription값등을 등록한다.)
		log.debug("runModifySparql() on DataMart server start.................................. ");
		//String madeQl = makeFinal(sparql, idxVals);
		String updateService2 = Utils.getSdaProperty("com.pineone.icbms.sda.knowledgebase.dm.sparql.endpoint") + "/update";
		UpdateRequest ur2 = UpdateFactory.create(madeQl);
		
		//log.debug("sparql of "+dest+" in runModifySparql ===> "+madeQl2);
		
		//log.debug("madeQl2  ============>"+ madeQl2);
		//log.debug("query  ============>"+ ur2.toString());
		
		UpdateProcessor up2 = UpdateExecutionFactory.createRemote(ur2, updateService2);
		up2.execute();
		log.debug("runModifySparql() on DataMart server end.................................. ");
	}
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
public UpdateRequest create(String str) {
	analyzeRequest(str);
	return UpdateFactory.create(str, Syntax.syntaxARQ);
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
public static void execUpdate(String sparqlUpdateString, GraphStore graphStore)
{
    UpdateRequest request = UpdateFactory.create(sparqlUpdateString) ;
    UpdateProcessor proc = UpdateExecutionFactory.create(request, graphStore) ;
    proc.execute() ;
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
/**
 * Creates a new update operation
 * 
 * @param name
 *            Name
 * @param updateString
 *            SPARQL Update
 */
public InMemoryFixedUpdateOperation(String name, String updateString) {
    super(name);
    this.origUpdateStr = updateString;
    this.update = UpdateFactory.create(updateString);
}
 

import org.apache.jena.update.UpdateFactory; //导入依赖的package包/类
/**
 * Creates a new update operation
 * 
 * @param name
 *            Name
 * @param updateString
 *            SPARQL Update
 */
public FixedUpdateOperation(String name, String updateString) {
    super(name);
    this.origUpdateStr = updateString;
    this.update = UpdateFactory.create(updateString);
}