Example usage for java.util Collections synchronizedMap

List of usage examples for java.util Collections synchronizedMap

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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:jdbc.pool.CXMLManager.java

protected Map<String, CPoolAttribute> getAllPoolAttributes() {
    Map<String, CPoolAttribute> poolAttributeMap = Collections
            .synchronizedMap(new HashMap<String, CPoolAttribute>());
    int iSize = xmlPoolConfig.getMaxIndex("pool[@name]"); //returns -1 if does not exists
    for (int i = 0; i <= iSize; i++) {
        CPoolAttribute attribute = null;
        try {//  w w  w  .j a  v  a 2  s.  c o m
            attribute = getPoolAttribute(i);
        } catch (ConfigurationException e) {
            //this should not arise
        }
        if (attribute != null) {
            poolAttributeMap.put(attribute.getPoolName(), attribute);
        }
    }
    return poolAttributeMap;
}

From source file:architecture.ee.web.community.stats.ViewCountManager.java

private static Map initQueue() {
    return Collections.synchronizedMap(new HashMap());
}

From source file:org.apache.abdera.util.AbderaConfiguration.java

/**
 * Registers StreamWriter implementations using the /META-INF/services/org.apache.abdera.writer.StreamWriter file
 *///ww  w .  ja  v a 2 s  .  co  m
private Map<String, Class<? extends StreamWriter>> initStreamWriters() {
    Map<String, Class<? extends StreamWriter>> writers = null;
    Iterable<Class<? extends StreamWriter>> _writers = Discover.locate(STREAM_WRITER, true);
    writers = Collections.synchronizedMap(new HashMap<String, Class<? extends StreamWriter>>());
    for (Class<? extends StreamWriter> writer : _writers) {
        String name = getName(writer);
        if (name != null)
            writers.put(name.toLowerCase(), writer);
    }
    writers.put("fom", StreamBuilder.class);
    return writers;
}

From source file:org.opencms.xml.CmsXmlEntityResolver.java

/**
 * Initializes the internal caches for permanent and temporary system IDs.<p>
 *//*from w ww. j a v a 2  s.c  o m*/
private static void initCaches() {

    if (m_cacheTemporary == null) {
        Map<String, byte[]> cacheTemporary = CmsCollectionsGenericWrapper.createLRUMap(1024);
        m_cacheTemporary = Collections.synchronizedMap(cacheTemporary);

        Map<String, byte[]> cachePermanent = new HashMap<String, byte[]>(32);
        m_cachePermanent = Collections.synchronizedMap(cachePermanent);

        Map<String, CmsXmlContentDefinition> cacheContentDefinitions = CmsCollectionsGenericWrapper
                .createLRUMap(512);
        m_cacheContentDefinitions = Collections.synchronizedMap(cacheContentDefinitions);
    }
    if (OpenCms.getRunLevel() > OpenCms.RUNLEVEL_1_CORE_OBJECT) {
        if ((OpenCms.getMemoryMonitor() != null) && !OpenCms.getMemoryMonitor()
                .isMonitoring(CmsXmlEntityResolver.class.getName() + ".cacheTemporary")) {
            // reinitialize the caches after the memory monitor is set up                
            Map<String, byte[]> cacheTemporary = CmsCollectionsGenericWrapper.createLRUMap(128);
            cacheTemporary.putAll(m_cacheTemporary);
            m_cacheTemporary = Collections.synchronizedMap(cacheTemporary);
            // map must be of type "LRUMap" so that memory monitor can access all information
            OpenCms.getMemoryMonitor().register(CmsXmlEntityResolver.class.getName() + ".cacheTemporary",
                    cacheTemporary);

            Map<String, byte[]> cachePermanent = new HashMap<String, byte[]>(32);
            cachePermanent.putAll(m_cachePermanent);
            m_cachePermanent = Collections.synchronizedMap(cachePermanent);
            // map must be of type "HashMap" so that memory monitor can access all information
            OpenCms.getMemoryMonitor().register(CmsXmlEntityResolver.class.getName() + ".cachePermanent",
                    cachePermanent);

            Map<String, CmsXmlContentDefinition> cacheContentDefinitions = CmsCollectionsGenericWrapper
                    .createLRUMap(64);
            cacheContentDefinitions.putAll(m_cacheContentDefinitions);
            m_cacheContentDefinitions = Collections.synchronizedMap(cacheContentDefinitions);
            // map must be of type "LRUMap" so that memory monitor can access all information
            OpenCms.getMemoryMonitor().register(
                    CmsXmlEntityResolver.class.getName() + ".cacheContentDefinitions", cacheContentDefinitions);
        }
    }
}

From source file:org.apache.jackrabbit.core.security.JahiaAccessManager.java

/**
 * {@inheritDoc}//w  w w  .  j av a2 s . c o m
 */
public void init(AMContext context, AccessControlProvider acProvider, WorkspaceAccessManager wspAccessManager,
        RepositoryContext repositoryContext, WorkspaceConfig workspaceConfig)
        throws AccessDeniedException, Exception {
    if (initialized) {
        throw new IllegalStateException("already initialized");
    }

    pathPermissionCache = Collections.synchronizedMap(
            new LRUMap(SettingsBean.getInstance().getAccessManagerPathPermissionCacheMaxSize()));
    subject = context.getSubject();
    resolver = context.getNamePathResolver();
    hierMgr = context.getHierarchyManager();
    workspaceName = context.getWorkspaceName();
    this.repositoryContext = repositoryContext;
    this.workspaceConfig = workspaceConfig;
    privilegeRegistry = new JahiaPrivilegeRegistry(context.getSession().getWorkspace().getNamespaceRegistry());

    Set<JahiaPrincipal> principals = subject.getPrincipals(JahiaPrincipal.class);
    if (!principals.isEmpty()) {
        jahiaPrincipal = principals.iterator().next();
    }

    NamespaceResolver nr = new SessionNamespaceResolver(getSecuritySession());

    pr = new DefaultNamePathResolver(nr, true);
    initialized = true;
}

From source file:dk.netarkivet.archive.bitarchive.distribute.BitarchiveServer.java

/**
 * The server creates an instance of the bitarchive it provides access to
 * and starts to listen to JMS messages on the incomming jms queue
 * <p/>//from  w w  w  .ja va 2  s .co  m
 * Also, heartbeats are sent out at regular intervals to the Bitarchive
 * Monitor, to tell that this bitarchive is alive.
 *
 * @throws UnknownID        - if there was no heartbeat frequency or temp
 *                            dir defined in settings or if the
 *                            bitarchiveid cannot be created.
 * @throws PermissionDenied - if the temporary directory or the file
 *                            directory cannot be written
 */
private BitarchiveServer() throws UnknownID, PermissionDenied {
    System.setOut(
            new PrintStream(new LoggingOutputStream(LoggingOutputStream.LoggingLevel.INFO, log, "StdOut: ")));
    System.setErr(
            new PrintStream(new LoggingOutputStream(LoggingOutputStream.LoggingLevel.WARN, log, "StdErr: ")));
    boolean listening = false; // are we listening to queue ANY_BA
    File serverdir = FileUtils.getTempDir();
    if (!serverdir.exists()) {
        serverdir.mkdirs();
    }
    if (!serverdir.canWrite()) {
        throw new PermissionDenied("Not allowed to write to temp directory '" + serverdir + "'");
    }
    log.info("Storing temporary files at '" + serverdir.getPath() + "'");

    bitarchiveAppId = createBitarchiveAppId();

    allBa = Channels.getAllBa();
    anyBa = Channels.getAnyBa();
    baMon = Channels.getTheBamon();
    ba = Bitarchive.getInstance();
    con = JMSConnectionFactory.getInstance();
    con.setListener(allBa, this);
    baa = BitarchiveAdmin.getInstance();
    if (baa.hasEnoughSpace()) {
        con.setListener(anyBa, this);
        listening = true;
    } else {
        log.warn("Not enough space to guarantee store -- not listening " + "to " + anyBa.getName());
    }

    // create map for batchjobs
    batchProcesses = Collections.synchronizedMap(new HashMap<String, Thread>());

    // Create and start the heartbeat sender
    Timer timer = new Timer(true);
    heartBeatSender = new HeartBeatSender(baMon, this);
    long frequency = Settings.getLong(ArchiveSettings.BITARCHIVE_HEARTBEAT_FREQUENCY);
    timer.scheduleAtFixedRate(heartBeatSender, 0, frequency);
    log.info("Heartbeat frequency: '" + frequency + "'");
    // Next logentry depends on whether we are listening to ANY_BA or not
    String logmsg = "Created bitarchive server listening on: " + allBa.getName();
    if (listening) {
        logmsg += " and " + anyBa.getName();
    }

    log.info(logmsg);

    log.info("Broadcasting heartbeats on: " + baMon.getName());
}

From source file:esg.node.connection.ESGConnectionManager.java

public void init() {
    log.info("Initializing ESGFConnectionManager...");
    lastDispatchTime = new AtomicLong(-1L);

    //NOTE://from  w w  w  .  j  ava 2 s  . c  om
    //Just to make sure we have these guys if we decide to re-register.
    //since we did such a good job cleaning things out with we unregister.
    //Once could imagine wanting to re-establish the connection manager.
    if (peers == null)
        peers = Collections.synchronizedMap(new HashMap<String, ESGPeer>());
    if (unavailablePeers == null)
        unavailablePeers = Collections.synchronizedMap(new HashMap<String, ESGPeer>());

    try {
        props = new ESGFProperties();
        periodicallyPingToPeers();
        periodicallyRegisterToPeers();
    } catch (java.io.IOException e) {
        System.out.println("Damn, ESGConnectionManager, can't fire up... :-(");
        log.error(e);
    }

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            if (ESGConnectionManager.this.shutdownHookLatch) {
                System.out.println("Running Connection Manager Shutdown Hook");
                ESGConnectionManager.this.dispatchUnRegisterToPeers();
                System.out.println("Bye!");
            }
            ESGConnectionManager.this.shutdownHookLatch = true;
        }
    });
}

From source file:org.eclipse.php.internal.core.model.PerFileModelAccessCache.java

/**
 * Returns cached result of a function search, or invokes a new search query
 * /*  ww  w  .ja v a2s .  c o  m*/
 * @param sourceModule
 *            Current source module
 * @param functionName
 *            The name of the global function
 * @param monitor
 *            Progress monitor
 * @return a collection of functions according to a given name, or
 *         <code>null</code> if not found
 */
public Collection<IMethod> getGlobalFunctions(ISourceModule sourceModule, String functionName,
        IProgressMonitor monitor) {

    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=342465
    if (functionName == null) {
        return new ArrayList<IMethod>();
    }
    Collection<IMethod> functions;

    if (!this.sourceModule.equals(sourceModule)) {
        // Invoke a new search, since we only cache for the original file in
        // this class:
        IScriptProject scriptProject = sourceModule.getScriptProject();
        IDLTKSearchScope scope = SearchEngine.createSearchScope(scriptProject);
        functions = Arrays.asList(
                PhpModelAccess.getDefault().findFunctions(functionName, MatchRule.EXACT, 0, 0, scope, monitor));

    } else {
        functionName = functionName.toLowerCase();

        if (globalFunctionsCache == null) {
            globalFunctionsCache = Collections.synchronizedMap(new HashMap<String, Collection<IMethod>>());

            if (!globalFunctionsCache.containsKey(functionName)) {
                IScriptProject scriptProject = sourceModule.getScriptProject();
                IDLTKSearchScope scope = SearchEngine.createSearchScope(scriptProject);

                IMethod[] allFunctions = PhpModelAccess.getDefault().findFunctions(functionName,
                        MatchRule.EXACT, 0, 0, scope, monitor);
                Collection<IMethod> funcList = new ArrayList<IMethod>(allFunctions.length);
                for (IMethod function : allFunctions) {
                    funcList.add(function);
                }
                globalFunctionsCache.put(functionName, funcList);
            }
        }
        functions = globalFunctionsCache.get(functionName);
    }
    return filterModelElements(sourceModule, functions, monitor);
}

From source file:op.care.med.inventory.PnlInventory.java

private void initPanel() {
    cpMap = Collections.synchronizedMap(new HashMap<String, CollapsiblePane>());
    cpListener = Collections.synchronizedMap(new HashMap<String, CollapsiblePaneAdapter>());
    lstInventories = Collections.synchronizedList(new ArrayList<MedInventory>());

    mapKey2ClosedToggleButton = Collections.synchronizedMap(new HashMap<String, JToggleButton>());
    color1 = SYSConst.yellow1;/*ww w  .ja  v  a2 s. c o m*/
    color2 = SYSConst.greyscale;

    //        linemap = Collections.synchronizedMap(new HashMap<MedStockTransaction, JPanel>());
    prepareSearchArea();
}

From source file:fr.aliasource.webmail.server.LoginFilter.java

@Override
public void init(FilterConfig fConfig) throws ServletException {
    XTrustProvider.install();//w  ww  . j  a  va 2  s . com

    ajaxCall = new HashSet<String>();
    ajaxCall.add("/lc");
    ajaxCall.add("/folderManager");
    ajaxCall.add("/login");
    ajaxCall.add("/logout");
    ajaxCall.add("/lemails");
    ajaxCall.add("/sca");
    ajaxCall.add("/settings");
    ajaxCall.add("/sent");
    ajaxCall.add("/search");
    ajaxCall.add("/flags");
    ajaxCall.add("/store");
    ajaxCall.add("/contactGroups");
    ajaxCall.add("/listContacts");
    ajaxCall.add("/attachements");
    ajaxCall.add("/download");
    ajaxCall.add("/attachementsManager");
    ajaxCall.add("/proxy");

    FrontEndConfig fec = new FrontEndConfig();
    settings = Collections.synchronizedMap(fec.get());
    logger.info("ssoProvider: " + settings.get(GetSettings.SSO_PROVIDER));

    if (settings.isEmpty()) {
        logger.error("Empty settings: you need " + "a valid /etc/minig/frontend_conf.ini");
    }

    String klass = new ProxyConfig(settings).getProxyClientFactoryClass();
    try {
        proxyClientFactory = (IProxyClientFactory) Class.forName(klass).newInstance();
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        throw new ServletException(e);
    }

}