Example usage for java.util Collections synchronizedMap

Introduction

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

Prototype

public static <K, V> Map<K, V> synchronizedMap(Map<K, V> m)

Source Link

Document

Returns a synchronized (thread-safe) map backed by the specified map.

Usage

From source file:org.openhab.binding.modbus.internal.ModbusConfiguration.java

public static Collection<ModbusSlave> getAllSlaves() {
    return Collections.synchronizedMap(modbusSlaves).values();
}

From source file:cat.albirar.framework.dynabean.impl.DynaBeanDescriptor.java

/**
 * Default constructor.//from  ww w  . ja va  2 s  .  c om
 */
DynaBeanDescriptor(IDynaBeanImplementationFactory factory) {
    this.factory = factory;
    validDescriptor = false;
    properties = Collections.synchronizedMap(new TreeMap<String, DynaBeanPropertyDescriptor>());
}

From source file:org.cesecore.config.ExtendedKeyUsageConfiguration.java

/**
 * Fill the map and list with OIDs from the configuration file
 *//* w  w w.j a v a  2s  .c o  m*/
@SuppressWarnings("unchecked")
private static synchronized void fillExtendedKeyUsageOidsAndTexts() {
    final ListOrderedMap map = new ListOrderedMap();
    final Configuration conf = ConfigurationHolder.instance();
    final String ekuname = "extendedkeyusage.name.";
    final String ekuoid = "extendedkeyusage.oid.";
    for (int i = 0; i < 255; i++) {
        final String oid = conf.getString(ekuoid + i);
        if (oid != null) {
            String name = conf.getString(ekuname + i);
            if (name != null) {
                // A null value in the properties file means that we should not use this value, so set it to null for real
                if (name.equalsIgnoreCase("null")) {
                    name = null;
                } else {
                    map.put(oid, name);
                }
            } else {
                log.error("Found extended key usage oid " + oid
                        + ", but no name defined. Not adding to list of extended key usages.");
            }
        }
        // No eku with a certain number == continue trying next, we will try 0-255.
    }
    log.debug("Read " + map.size() + " extended key usages.");
    extendedKeyUsageOids = map.asList();
    if ((extendedKeyUsageOids == null) || (extendedKeyUsageOids.size() == 0)) {
        log.error(
                "Extended key usage OIDs is null or zero length, there is a serious error with extendedkeyusage.properties");
        extendedKeyUsageOids = new ArrayList<String>();
    }
    extendedKeyUsageOidsAndNames = Collections.synchronizedMap(map);
}

From source file:strat.mining.multipool.stats.service.impl.RequestStatsLoggingServiceImpl.java

@Scheduled(cron = "0 0 * * * *")
private void logStats() {
    Map<String, Map<String, AtomicInteger>> currencyTickersOldMap = currencyTickerRequest;
    currencyTickerRequest = Collections.synchronizedMap(new HashMap<String, Map<String, AtomicInteger>>());

    Map<String, AtomicInteger> donatorsRequestOld = donatorsRequests;
    donatorsRequests = Collections.synchronizedMap(new HashMap<String, AtomicInteger>());

    LOGGER.debug("Nb donnation requests: {}.", nbDonnation.intValue());
    LOGGER.debug("Nb blockchain details requests: {}.", nbBlockchainDetails.intValue());
    LOGGER.debug("Nb all exchange place requests: {}.", nbAllExchangePlace.intValue());
    LOGGER.debug("Nb currency ticker requests: {}.", nbCurrencyTicker.intValue());
    for (Entry<String, Map<String, AtomicInteger>> entry1 : currencyTickersOldMap.entrySet()) {
        for (Entry<String, AtomicInteger> entry2 : entry1.getValue().entrySet()) {
            LOGGER.debug("Nb currency ticker requests for exchange {} and currency {}: {}.", entry1.getKey(),
                    entry2.getKey(), entry2.getValue().intValue());
        }//from  ww w.  j  a  va2 s . co m
    }
    for (Entry<String, AtomicInteger> entry : donatorsRequestOld.entrySet()) {
        LOGGER.debug("Nb donators requests for {}: {}.", entry.getKey(), entry.getValue().get());
    }
    LOGGER.debug(" ");
    LOGGER.debug(" ");
    LOGGER.debug(" ");

    nbCurrencyTicker.set(0);

    nbBlockchainDetails.set(0);
    nbAllExchangePlace.set(0);
    nbDonnation.set(0);
}

From source file:at.tugraz.ist.catroweb.BaseTest.java

@BeforeClass(alwaysRun = true)
@Parameters({ "webSite", "basedir" })
protected void constructor(String webSite, String basedir) {
    this.webSite = webSite;
    Config.setSeleniumGridTestdata(basedir);
    projectUploader = new ProjectUploader(webSite);
    this.driverSessions = Collections.synchronizedMap(new HashMap<String, WebDriver>());
}

From source file:org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode.java

/**
 * Make sure the client retries when the active NN is in safemode
 *///from w w  w  . ja v a  2 s  . co m
@Test(timeout = 300000)
public void testClientRetrySafeMode() throws Exception {
    final Map<Path, Boolean> results = Collections.synchronizedMap(new HashMap<Path, Boolean>());
    final Path test = new Path("/test");
    // let nn0 enter safemode
    NameNodeAdapter.enterSafeMode(nn0, false);
    NameNodeAdapter.enterSafeMode(nn1, false);
    SafeModeInfo safeMode = nn0.getNamesystem().getSafeModeInfoForTests();
    Whitebox.setInternalState(safeMode, "extension", Integer.valueOf(30000));
    HdfsVariables.setSafeModeInfo(safeMode, safeMode.getReached());
    LOG.info("enter safemode");
    Thread testThread = new Thread() {
        @Override
        public void run() {
            try {
                boolean mkdir = fs.mkdirs(test);
                LOG.info("mkdir finished, result is " + mkdir);
                synchronized (TestHASafeMode.this) {
                    results.put(test, mkdir);
                    TestHASafeMode.this.notifyAll();
                }
            } catch (Exception e) {
                LOG.info("Got Exception while calling mkdir", e);
            }
        }
    };
    testThread.setName("test");
    testThread.start();

    // make sure the client's call has actually been handled by the active NN
    assertFalse("The directory should not be created while NN in safemode", fs.exists(test));

    Thread.sleep(1000);
    // let nn0 leave safemode
    NameNodeAdapter.leaveSafeMode(nn0);
    LOG.info("leave safemode");

    synchronized (this) {
        while (!results.containsKey(test)) {
            this.wait();
        }
        assertTrue(results.get(test));
    }
}

From source file:org.broadleafcommerce.common.util.EfficientLRUMap.java

protected synchronized boolean switchToLRUMap() {
    if (!usingLRUMap) {
        if (size() > maxEntries) {
            lruMap = Collections.synchronizedMap(new LRUMap<K, V>(maxEntries));
            lruMap.putAll(concurrentMap);
            usingLRUMap = true;//from   w  w w.  j ava2s .c om
            concurrentMap.clear();
        }
    }
    return usingLRUMap; // this could be set by another thread        
}

From source file:strat.mining.multipool.stats.service.impl.DonationServiceImpl.java

@PostConstruct
public void init() {
    transactionsNotThankedByAddress = Collections.synchronizedMap(new HashMap<String, List<Transaction>>());
    updateDonations();/*  ww  w. java 2s. c  o  m*/
}

From source file:de.innovationgate.wgpublisher.webtml.portlet.TMLPortletStateSessionStorage.java

private Map<String, TMLPortletState> getSessionMap() {

    synchronized (_session) {
        Map<String, TMLPortletState> contexts = (Map<String, TMLPortletState>) _session
                .getAttribute(WGACore.SESSION_PORTLETMODES);
        if (contexts == null) {
            contexts = Collections.synchronizedMap(new HashMap<String, TMLPortletState>());
            _session.setAttribute(WGACore.SESSION_PORTLETMODES, contexts);
        }/*from w ww  .j a v  a  2  s  . c  o  m*/
        return contexts;
    }

}

From source file:be.fedict.trust.service.snmp.mbean.SNMPService.java

/**
 * Initialized the {@link SNMPAgent} if not yet done so.
 *///from  www  .ja  v  a2s .  co m
private synchronized void initSNMPAgent() {

    if (null == this.snmpAgent) {
        LOG.debug("Start SNMP agent @ address=" + this.address);
        try {
            this.snmpAgent = new SNMPAgent(this.address, new File("performance.snmp.agent.boot.counter.cfg"),
                    new File("performance.snmp.agent.cfg"));
        } catch (IOException e) {
            LOG.error("Failed to start SNMP agent: " + e.getMessage(), e);
            throw new RuntimeException(e);
        }
        this.snmpThread = new Thread(this.snmpAgent);
        this.snmpThread.start();

        this.snmpValues = Collections.synchronizedMap(new HashMap<String, Long>());
    }
}