Example usage for java.util Collections singletonMap

List of usage examples for java.util Collections singletonMap

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Collections
  6. singletonMap

Introduction

In this page you can find the example usage for java.util Collections singletonMap.

Prototype

public static <K, V> Map<K, V> singletonMap(K key, V value)

Source Link

Document

Returns an immutable map, mapping only the specified key to the specified value.

Usage

From source file:ch.cyberduck.ui.cocoa.DuplicateFileController.java

/**
 * @param source      The original file to duplicate
 * @param destination The destination of the duplicated file
 *///from w w  w .j  ava 2 s  .  com
public void duplicate(final Path source, final Path destination) {
    this.duplicate(Collections.singletonMap(source, destination));
}

From source file:org.apache.niolex.config.ctrl.GroupController.java

@RequestMapping(value = "/{groupName:.+}/{key}", method = RequestMethod.GET)
public @ResponseBody Map<String, ? extends Object> findItem(@PathVariable String groupName,
        @PathVariable String key, Model model, HttpServletRequest req) {
    CenterConnector cc = ConnectorUtil.getConnector(req);
    String s = null;// ww  w . ja  v a 2 s  .  co  m
    try {
        s = cc.getItem(groupName, key);
    } catch (Exception e) {
        LOG.error("Error occured when get item.", e);
        s = ERR;
    }
    return Collections.singletonMap("msg", s);
}

From source file:com.espertech.esper.regression.client.TestAudit.java

public void testDocSample() {
    epService.getEPAdministrator().createEPL("create schema OrderEvent(price double)");

    String epl = "@Name('All-Order-Events') @Audit('stream,property') select price from OrderEvent";
    epService.getEPAdministrator().createEPL(epl).addListener(listener);

    if (EventRepresentationEnum.getEngineDefault(epService).isObjectArrayEvent()) {
        epService.getEPRuntime().sendEvent(new Object[] { 100d }, "OrderEvent");
    } else {/*from  w ww .j a  v a 2  s  . c  o  m*/
        epService.getEPRuntime().sendEvent(Collections.singletonMap("price", 100d), "OrderEvent");
    }
}

From source file:com.hyphenated.card.controller.PlayerController.java

/**
 * Have a new player join a game.//w w  w. jav a  2 s  . c  o m
 * @param gameId unique ID for the game to be joined
 * @param playerName player name
 * @return Map representing the JSON String of the new player's unique id.  The playerId will
 * be used for that player's actions in future requests.  Example: {"playerId":xxx}
 */
@RequestMapping("/join")
public @ResponseBody Map<String, String> joinGame(@RequestParam long gameId, @RequestParam String playerName) {
    Game game = gameService.getGameById(gameId, false);
    Player player = new Player();
    player.setName(playerName);
    player = gameService.addNewPlayerToGame(game, player);
    return Collections.singletonMap("playerId", player.getId());
}

From source file:com.mongodb.hadoop.examples.wordcount.split.WordCountSplitTest.java

@Override
public int run(String[] args) throws Exception {
    final Configuration conf = getConf();
    boolean useQuery = false;
    for (int i = 0; i < args.length; i++) {
        final String argi = args[i];
        if (argi.equals("--use-query"))
            useQuery = true;//from   ww w . j av a 2  s .  c o  m
        else {
            throw new IllegalArgumentException(argi);
        }
    }

    if (useQuery) {
        //NOTE: must do this BEFORE Job is created
        final MongoConfig mongo_conf = new MongoConfig(conf);
        com.mongodb.BasicDBObject query = new com.mongodb.BasicDBObject();
        query.put("num", new com.mongodb.BasicDBObject(Collections.singletonMap("$mod", new int[] { 2, 0 })));
        System.out.println(" --- setting query on num");
        mongo_conf.setQuery(query);
        System.out.println(" --- query is: " + mongo_conf.getQuery());
    }

    final com.mongodb.MongoURI outputUri = MongoConfigUtil.getOutputURI(conf);
    if (outputUri == null)
        throw new IllegalStateException("output uri is not set");
    if (MongoConfigUtil.getInputURI(conf) == null)
        throw new IllegalStateException("input uri is not set");
    final String outputCollectionName = outputUri.getCollection();

    final Job job = new Job(conf, "word count " + outputCollectionName);

    job.setJarByClass(WordCountSplitTest.class);

    job.setMapperClass(TokenizerMapper.class);

    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    job.setInputFormatClass(MongoInputFormat.class);
    job.setOutputFormatClass(MongoOutputFormat.class);

    final long start = System.currentTimeMillis();
    System.out
            .println(" ----------------------- running test " + outputCollectionName + " --------------------");
    try {
        boolean result = job.waitForCompletion(true);
        System.out.println("job.waitForCompletion( true ) returned " + result);
    } catch (Exception e) {
        System.err.println("job.waitForCompletion( true ) threw Exception");
        e.printStackTrace();
        return 1;
    }
    final long end = System.currentTimeMillis();
    final float seconds = ((float) (end - start)) / 1000;
    java.text.NumberFormat nf = java.text.NumberFormat.getInstance();
    nf.setMaximumFractionDigits(3);
    System.out.println("finished run in " + nf.format(seconds) + " seconds");

    com.mongodb.Mongo m = new com.mongodb.Mongo(outputUri);
    com.mongodb.DB db = m.getDB(outputUri.getDatabase());
    com.mongodb.DBCollection coll = db.getCollection(outputCollectionName);
    com.mongodb.BasicDBObject query = new com.mongodb.BasicDBObject();
    query.put("_id", "the");
    com.mongodb.DBCursor cur = coll.find(query);
    if (!cur.hasNext())
        System.out.println("FAILURE: could not find count of \'the\'");
    else
        System.out.println("'the' count: " + cur.next());

    return 0; //is the return value supposed to be the program exit code?

    //        if (! result)
    //           System.exit(  1 );
}

From source file:com.sun.socialsite.web.filters.ThreadContextFilter.java

/**
 * Release SocialSite persistence session at end of request processing.
 *///www  . ja va 2  s . c  om
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {

    final HttpServletRequest request = (HttpServletRequest) req;
    final HttpServletResponse response = (HttpServletResponse) res;

    log.debug("Entered ThreadContextFilter");

    SocialSite socialsite = Factory.getSocialSite();

    log.debug(String.format("url=%s decoder=%s st=%s", request.getRequestURL(), decoder,
            request.getParameter("st")));
    if ((decoder != null) && (request.getParameter("st") != null)) {
        Map<String, String> m = Collections.singletonMap(SecurityTokenDecoder.SECURITY_TOKEN_NAME,
                request.getParameter("st"));
        try {
            final SocialSiteToken token = (SocialSiteToken) (decoder.createToken(m));
            log.debug(String.format("url=%s token=%s", request.getRequestURL(), token));
            if ((token != null) && (!socialsite.getURLStrategy().equals(token.getURLStrategy()))) {
                Object overrider = new Object() {
                    public URLStrategy getURLStrategy() {
                        log.debug(String.format("url=%s token=%s urlstrategy=%s", request.getRequestURL(),
                                token, token.getURLStrategy()));
                        return token.getURLStrategy();
                    }
                };
                SocialSite ss = (SocialSite) (ProxyUtil.getOverrideProxy(socialsite, overrider));
                log.debug(String.format("url=%s ss=%s", request.getRequestURL(), ss));
                Factory.setThreadLocalSocialSite(
                        (SocialSite) (ProxyUtil.getOverrideProxy(socialsite, overrider)));
                log.debug(String.format("url=%s Factory.getSocialSite=%s", request.getRequestURL(),
                        Factory.getSocialSite()));
            }
        } catch (SecurityTokenException e) {
            log.error("Failed to get security token", e);
        }
    }

    try {
        chain.doFilter(request, response);
    } finally {
        log.debug("Releasing SocialSite Session");
        if (Factory.isBootstrapped()) {
            Factory.setThreadLocalSocialSite(null);
            Factory.getSocialSite().release();
        }
    }

    log.debug("Exiting ThreadContextFilter");
}

From source file:com.opentable.logging.KafkaAppenderTest.java

@Test(timeout = 10000)
public void testLog() throws Exception {
    AdminUtils.createTopic(kafka.getServer().zkClient(), "logs", 1, 1, new Properties());
    Thread.sleep(2000);//from   w w  w .  ja  va  2  s  .  co  m
    context.getLogger("test").info("Herro!");
    context.getLogger("womp").warn("flop", new Throwable());

    // Ensure we flush our buffers
    context.stop();

    final CommonLogFields log1, log2;

    ConsumerConnector consumer = createConsumer();

    final List<KafkaStream<byte[], byte[]>> streams = consumer
            .createMessageStreams(Collections.singletonMap("logs", 1)).get("logs");
    final KafkaStream<byte[], byte[]> stream = Iterables.getOnlyElement(streams);
    final ConsumerIterator<byte[], byte[]> iterator = stream.iterator();

    System.out.println("read 0");
    log1 = read(iterator.next().message());
    System.out.println("read 1");
    log2 = read(iterator.next().message());
    System.out.println("read 2");

    consumer.shutdown();

    assertEquals("Herro!", log1.getMessage());
    assertEquals("test", log1.getLogClass());
    assertEquals("INFO", log1.getSeverity());

    assertEquals("flop", log2.getMessage());
    assertEquals("womp", log2.getLogClass());
    assertEquals("WARN", log2.getSeverity());
}

From source file:org.apereo.services.persondir.support.AttributeBasedCacheKeyGeneratorTest.java

@Test
public void testCacheKeyGeneratorWithFactoryBean() {

    final IPersonAttributeDao personAttributeDao = applicationContext.getBean("personAttributeDao",
            IPersonAttributeDao.class);

    final MapCacheProviderFacade cacheProviderFacade = applicationContext.getBean("cacheProviderFacade",
            MapCacheProviderFacade.class);

    assertEquals(0, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(0, cacheProviderFacade.getHitCount());
    assertEquals(0, cacheProviderFacade.getMissCount());
    assertEquals(0, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a miss
    personAttributeDao.getMultivaluedUserAttributes("edalquist");
    assertEquals(1, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(0, cacheProviderFacade.getHitCount());
    assertEquals(1, cacheProviderFacade.getMissCount());
    assertEquals(1, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a hit
    personAttributeDao.getMultivaluedUserAttributes("edalquist");
    assertEquals(1, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(1, cacheProviderFacade.getHitCount());
    assertEquals(1, cacheProviderFacade.getMissCount());
    assertEquals(1, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a hit
    personAttributeDao.getMultivaluedUserAttributes(
            Collections.singletonMap("userName", Collections.singletonList((Object) "edalquist")));
    assertEquals(1, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(2, cacheProviderFacade.getHitCount());
    assertEquals(1, cacheProviderFacade.getMissCount());
    assertEquals(1, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a miss
    personAttributeDao.getUserAttributes("edalquist");
    assertEquals(2, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(2, cacheProviderFacade.getHitCount());
    assertEquals(2, cacheProviderFacade.getMissCount());
    assertEquals(2, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a hit
    personAttributeDao.getUserAttributes("edalquist");
    assertEquals(2, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(3, cacheProviderFacade.getHitCount());
    assertEquals(2, cacheProviderFacade.getMissCount());
    assertEquals(2, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should be a hit
    personAttributeDao.getUserAttributes(Collections.singletonMap("userName", (Object) "edalquist"));
    assertEquals(2, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(4, cacheProviderFacade.getHitCount());
    assertEquals(2, cacheProviderFacade.getMissCount());
    assertEquals(2, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should miss
    personAttributeDao.getPossibleUserAttributeNames();
    assertEquals(3, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(4, cacheProviderFacade.getHitCount());
    assertEquals(3, cacheProviderFacade.getMissCount());
    assertEquals(3, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());

    //Should hit/* w  ww  . j  a  v  a  2s . c  o  m*/
    personAttributeDao.getPossibleUserAttributeNames();
    assertEquals(3, cacheProviderFacade.getCacheSize());
    assertEquals(0, cacheProviderFacade.getFlushCount());
    assertEquals(5, cacheProviderFacade.getHitCount());
    assertEquals(3, cacheProviderFacade.getMissCount());
    assertEquals(3, cacheProviderFacade.getPutCount());
    assertEquals(0, cacheProviderFacade.getRemoveCount());
}

From source file:org.suren.autotest.web.framework.selenium.action.SeleniumJqGridSequenceOperation.java

/**
 * @param absEle/*from w w w .j  a  v  a 2 s  .  c  o  m*/
 */
private Button buildOperationBut(AbstractElement absEle) {
    Map<String, String> map = Collections.singletonMap(absEle.getDataStr(OPER_BUT_BY),
            absEle.getDataStr(OPER_BUT_INFO));
    map.put("strategy", "priority");

    LocatorUtil.setLocator(map, operationBut);

    return operationBut;
}

From source file:org.commonjava.aprox.depgraph.rest.GraphController.java

public String errors(final String gav, final String workspaceId) throws AproxWorkflowException {
    final ViewParams params = new ViewParams(workspaceId);
    ProjectVersionRef ref = null;/*from  ww w.j a v a  2s.co  m*/
    try {
        if (gav != null) {
            ref = projectVersion(gav);
        }

        Map<ProjectVersionRef, String> errors;
        if (ref != null) {
            logger.debug("Retrieving project errors in graph: {}", ref);
            errors = Collections.singletonMap(ref, ops.getProjectError(ref, params));
        } else {
            logger.debug("Retrieving ALL project errors");
            errors = ops.getAllProjectErrors(params);
        }

        return errors == null ? null : serializer.writeValueAsString(errors);
    } catch (final CartoDataException e) {
        throw new AproxWorkflowException("Failed to lookup resolution errors for: {}. Reason: {}", e,
                ref == null ? "all projects" : ref, e.getMessage());
    } catch (final JsonProcessingException e) {
        throw new AproxWorkflowException("Failed to serialize to JSON. Reason: %s", e, e.getMessage());
    }

}