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:com.jkoolcloud.tnt4j.streams.utils.StreamsCache.java

private static Cache<String, Object> buildCache(long cSize, long duration) {
    return CacheBuilder.newBuilder().maximumSize(cSize).expireAfterAccess(duration, TimeUnit.MINUTES).build();
}

From source file:com.watchrabbit.executor.service.CacheServiceImpl.java

private static synchronized void createCache(CacheConfig cacheConfig) {
    if (!caches.containsKey(cacheConfig.getCacheName())) {
        Cache<String, Object> cache = CacheBuilder.newBuilder().maximumSize(cacheConfig.getCacheSize())
                .expireAfterWrite(cacheConfig.getExpireTime(), TimeUnit.SECONDS).build();
        caches.put(cacheConfig.getCacheName(), cache);
    }/*from w  w  w.  j a va  2s  .c  o  m*/
}

From source file:com.rhythm.louie.cache.GuavaBasicCache.java

@SuppressWarnings("unchecked")
public static <K, V> GuavaBasicCache<K, V> permanent(String name) {
    return new GuavaBasicCache(name, CacheBuilder.newBuilder());
}

From source file:com.vsct.dt.hesperides.util.HesperidesCacheBuilder.java

/**
 * Create cache with easy setup.//  w w  w . jav  a  2 s  .co  m
 *
 * @param config setup
 * @param weigher Guava weighter
 *
 * @return cache
 */
public static CacheBuilder<Object, Object> newBuilder(final HesperidesCacheParameter config,
        final Weigher<? extends Object, ? extends Object> weigher) {
    final CacheBuilder<Object, Object> cache = CacheBuilder.newBuilder();

    if (config != null) {
        final int maxSize = config.getMaxSize();
        final int weight = config.getWeight();
        final String expire = config.getItemExpireAfter();

        if (maxSize != HesperidesCacheParameter.NOT_SET) {
            cache.maximumSize(maxSize);
        }

        if (weight != HesperidesCacheParameter.NOT_SET) {
            if (weigher == null) {
                throw new IllegalArgumentException("Parameter 'weight' is not supported for this cache.");
            }

            cache.maximumWeight(weight);
        }

        if (expire != null) {
            final Pattern p = Pattern.compile("^([0-9]+)(m|s|h|d)");
            final Matcher m = p.matcher(expire);

            if (m.find()) {
                final int time = Integer.valueOf(m.group(1));
                TimeUnit unit = TimeUnit.SECONDS;

                switch (m.group(2)) {
                case "m":
                    unit = TimeUnit.MINUTES;
                    break;
                case "h":
                    unit = TimeUnit.HOURS;
                    break;
                case "d":
                    unit = TimeUnit.DAYS;
                    break;
                default:
                    // Nothing
                }

                cache.expireAfterWrite(time, unit);
                cache.expireAfterAccess(time, unit);
            } else {
                throw new IllegalArgumentException(
                        "Parameter 'itemExpireAfter' is not valid. Valid usage is [0-9]+(m|h|d|s). (Where 'm' is minutes, 'h' is hours, 'd' is days, 's' seconds.");
            }
        }
    }

    return cache;
}

From source file:org.mkosem.impl.GuavaCache.java

public GuavaCache(int capacity, int concurrencyLevel) {
    cache_ = CacheBuilder.newBuilder().concurrencyLevel(concurrencyLevel).maximumSize(capacity)
            .initialCapacity(capacity).build();
}

From source file:com.streamsets.lib.security.http.DisconnectedSessionHandler.java

public DisconnectedSessionHandler() {
    principalsCache = CacheBuilder.newBuilder().expireAfterWrite(24, TimeUnit.HOURS).build();
}

From source file:org.nmdp.gl.client.ft.XmlGlClientFT.java

@BeforeClass
public static void staticSetUp() {
    httpClient = new RestAssuredHttpClient();
    loci = CacheBuilder.newBuilder().initialCapacity(10).build();
    locusIds = CacheBuilder.newBuilder().initialCapacity(10).build();
    alleles = CacheBuilder.newBuilder().initialCapacity(1000).build();
    alleleIds = CacheBuilder.newBuilder().initialCapacity(1000).build();
    xmlClient = new XmlGlClient("http://localhost:10080/gl/", httpClient, loci, locusIds, alleles, alleleIds);
}

From source file:org.opendaylight.openflowplugin.applications.frsync.util.SemaphoreKeeperGuavaImpl.java

public SemaphoreKeeperGuavaImpl(final int permits, final boolean fair) {
    semaphoreCache = CacheBuilder.newBuilder().concurrencyLevel(1).weakValues()
            .build(new CacheLoader<K, Semaphore>() {
                @Override// w  w w .  jav a 2 s .  c o m
                public Semaphore load(final K key) throws Exception {
                    return new Semaphore(permits, fair) {
                        private static final long serialVersionUID = 1L;
                    };
                }
            });
}

From source file:io.pravega.controller.store.stream.tables.Cache.java

public Cache(final Loader<T> loader) {
    cache = CacheBuilder.newBuilder().maximumSize(10000).expireAfterWrite(10, TimeUnit.MINUTES)
            .build(new CacheLoader<String, CompletableFuture<Data<T>>>() {
                @ParametersAreNonnullByDefault
                @Override/* w  ww.  j av a2  s .  co  m*/
                public CompletableFuture<Data<T>> load(final String key) {
                    CompletableFuture<Data<T>> result = loader.get(key);
                    result.exceptionally(ex -> {
                        invalidateCache(key);
                        return null;
                    });
                    return result;
                }
            });
}

From source file:uk.ac.ed.inf.ace.utils.HardCache.java

public HardCache(String name) {
    super(name, CacheBuilder.newBuilder().concurrencyLevel(1).build(new CacheLoader<SupplierEx<?>, Object>() {
        @Override/* w  ww .j  a  v a2s.  c o m*/
        public Object load(SupplierEx<?> key) throws Exception {
            return key.get();
        }
    }));
}