Example usage for com.google.common.cache CacheBuilder newBuilder

Introduction

In this page you can find the example usage for com.google.common.cache CacheBuilder newBuilder.

Prototype

public static CacheBuilder<Object, Object> newBuilder()

Source Link

Document

Constructs a new CacheBuilder instance with default settings, including strong keys, strong values, and no automatic eviction of any kind.

Usage

From source file:co.cask.cdap.metrics.collect.AggregatedMetricsEmitter.java

AggregatedMetricsEmitter(String context, String runId, String name) {
    this.context = context;
    this.runId = runId;
    this.name = name;
    this.value = new AtomicInteger();
    this.tagValues = CacheBuilder.newBuilder().expireAfterAccess(CACHE_EXPIRE_MINUTES, TimeUnit.MINUTES)
            .build(new CacheLoader<String, AtomicInteger>() {
                @Override/*from  w  w w .  j ava2  s  .  com*/
                public AtomicInteger load(String key) throws Exception {
                    return new AtomicInteger();
                }
            });
    if (name == null || name.isEmpty()) {
        LOG.warn("Creating emmitter with " + (name == null ? "null" : "empty") + " name, " + "for context "
                + context + " and runId " + runId);
    }
}

From source file:org.pac4j.http.credentials.authenticator.LocalCachingAuthenticator.java

public LocalCachingAuthenticator(final Authenticator<T> delegate, final long cacheSize, final long timeout,
        final TimeUnit timeUnit) {

    this.cacheLoader = new UserProfileCacheLoader<>(delegate);
    this.cache = CacheBuilder.newBuilder().maximumSize(cacheSize).expireAfterWrite(timeout, timeUnit)
            .build(this.cacheLoader);
}

From source file:rapture.postgres.PostgresFactory.java

private PostgresFactory() {
    connectionCache = CacheBuilder.newBuilder().maximumSize(10)
            .build(new ConnectionCacheLoader(new DataSourceMonitor()));

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override/*ww w .j a  va  2 s  . co m*/
        public void run() {
            for (Map.Entry<String, ConnectionInfo> entry : connectionCache.asMap().entrySet()) {
                DataSource ds = entry.getValue().getDataSource();
                if (ds != null && ds instanceof PooledDataSource) {
                    PooledDataSource pds = (PooledDataSource) ds;
                    try {
                        pds.close();
                    } catch (SQLException e) {
                        log.error(ExceptionToString.format(e));
                    }
                }
            }
        }
    }));
}

From source file:org.jboss.hal.meta.description.ResourceDescriptionRegistry.java

@Inject
public ResourceDescriptionRegistry(StatementContext statementContext, Environment environment) {
    super(new ResourceDescriptionStatementContext(statementContext, environment), RESOURCE_DESCRIPTION_TYPE);
    this.cache = CacheBuilder
            .newBuilder().maximumSize(CACHE_SIZE).recordStats().removalListener(notification -> logger
                    .debug("Remove {} from {} cache: {}", notification.getKey(), type, notification.getCause()))
            .build();//from  w  w w .  ja  v a  2  s .c o m
    this.templateProcessor = new ResourceDescriptionTemplateProcessor();
}

From source file:com.siemens.sw360.portal.users.UserCache.java

public UserCache() {
    // Initialize user loader
    UserLoader loader = new UserLoader();

    List<User> allUsers;//from   www. ja v a 2s  . c o m
    try {
        allUsers = loader.getAllUsers();
    } catch (TException ignored) {
        allUsers = Collections.emptyList();
    }

    // Initialize user cache
    cache = CacheBuilder.newBuilder().maximumSize(allUsers.size() + 100).expireAfterWrite(1, TimeUnit.DAYS)
            .build(loader);

    if (allUsers.size() > 0) {
        cache.putAll(Maps.uniqueIndex(allUsers, new Function<User, String>() {
            @Override
            public String apply(User input) {
                return input.getEmail();
            }
        }));
    }
}

From source file:springfox.documentation.schema.property.CachingModelPropertiesProvider.java

@Autowired
public CachingModelPropertiesProvider(final TypeResolver resolver,
        @Qualifier("optimized") final ModelPropertiesProvider delegate) {
    cache = CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(24, TimeUnit.HOURS)
            .build(new CacheLoader<ModelContext, List<ModelProperty>>() {
                public List<ModelProperty> load(ModelContext key) {
                    return delegate.propertiesFor(key.resolvedType(resolver), key);
                }//from  www  .  ja  va2s. co  m
            });
}

From source file:com.kixeye.kixmpp.server.cluster.mapreduce.MapReduceTracker.java

public MapReduceTracker(KixmppServer server, ScheduledExecutorService scheduledExecutorService) {
    this.server = server;
    this.requests = CacheBuilder.newBuilder().expireAfterWrite(15, TimeUnit.SECONDS).removalListener(this)
            .build();/*from ww w . j a v  a2  s. c o m*/

    // periodically call cache clean up expiration callbacks
    scheduledExecutorService.scheduleWithFixedDelay(new Runnable() {
        @Override
        public void run() {
            requests.cleanUp();
        }
    }, 10, 10, TimeUnit.SECONDS);
}

From source file:org.apache.usergrid.security.shiro.utils.LocalShiroCache.java

public LocalShiroCache() {

    // set a smaller ttl
    long ttl = 1;
    int configuredMaxSize;

    try {// w w  w.  j  a  v a 2s  . c  o  m
        ttl = Integer.parseInt(System.getProperty(CACHE_TTL_PROP));
    } catch (NumberFormatException e) {
        // already defaulted to 1 above
    }

    try {
        configuredMaxSize = Integer.parseInt(System.getProperty(CACHE_MAX_SIZE_PROP));
    } catch (NumberFormatException e) {
        configuredMaxSize = 1000;
    }

    this.cache = CacheBuilder.newBuilder().maximumSize(Math.min(1000, configuredMaxSize))
            .expireAfterWrite(ttl, TimeUnit.SECONDS).build();

}

From source file:com.strandls.alchemy.rest.client.RestInterfaceAnalyzer.java

/**
 * Creates a new instance./*from   www. j a va2 s .c  o m*/
 */
public RestInterfaceAnalyzer() {
    metadataCache = CacheBuilder.newBuilder().build(new CacheLoader<Class<?>, RestInterfaceMetadata>() {

        @Override
        public RestInterfaceMetadata load(final Class<?> klass) throws Exception {
            return doAnalyze(klass);
        }
    });
}

From source file:love.sola.netsupport.session.MapSessionRepository.java

public MapSessionRepository() {
    this(CacheBuilder.newBuilder().concurrencyLevel(4).maximumSize(65535)
            .expireAfterAccess(Settings.I.User_Session_Max_Inactive, TimeUnit.SECONDS)
            .build(new CacheLoader<String, MapSession>() {
                @Override/*from ww  w .j  a va  2s. c  om*/
                public MapSession load(@Nonnull String key) throws Exception {
                    return new MapSession(key);
                }
            }));
}