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

Introduction

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

Prototype

public CacheBuilder<K, V> expireAfterAccess(long duration, TimeUnit unit) 

Source Link

Document

Specifies that each entry should be automatically removed from the cache once a fixed duration has elapsed after the entry's creation, the most recent replacement of its value, or its last access.

Usage

From source file:org.rapidoid.plugins.cache.guava.GuavaCache.java

@SuppressWarnings("unchecked")
private static <K, V> CacheBuilder<K, V> builder(long timeToLiveMs, boolean resetTimeToLiveWhenAccessed) {
    CacheBuilder<K, V> builder = (CacheBuilder<K, V>) CacheBuilder.newBuilder();

    if (resetTimeToLiveWhenAccessed) {
        return builder.expireAfterAccess(timeToLiveMs, TimeUnit.MILLISECONDS);
    } else {//from   w w  w  .  ja  v a 2s . com
        return builder.expireAfterWrite(timeToLiveMs, TimeUnit.MILLISECONDS);
    }
}

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From source file:no.digipost.cache.inmemory.CacheConfig.java

public static CacheConfig expireAfterAccess(final Duration expiryTime) {
    return new CacheConfig() {
        @Override/*from www  . j  a v  a2s.c o m*/
        public CacheBuilder<Object, Object> configure(CacheBuilder<Object, Object> builder) {
            LOG.info("Expires values {} ms after last access", expiryTime.getMillis());
            return builder.expireAfterAccess(expiryTime.getMillis(), TimeUnit.MILLISECONDS);
        }
    };
}

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From source file:org.locationtech.geogig.storage.postgresql.PGCache.java

private static PGCache build(Integer initialCapacityCount, Integer concurrencyLevel2, Long maxWeightBytes,
        Optional<Integer> expireSeconds) {
    CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    cacheBuilder = cacheBuilder.maximumWeight(maxWeightBytes);
    cacheBuilder.weigher(weigher);//from   www.java  2s . c o  m
    if (expireSeconds.isPresent()) {
        long seconds = expireSeconds.get();
        Preconditions.checkArgument(seconds > -1);
        cacheBuilder.expireAfterAccess(seconds, TimeUnit.SECONDS);
    }
    cacheBuilder.initialCapacity(initialCapacityCount);
    cacheBuilder.concurrencyLevel(concurrencyLevel2);
    cacheBuilder.recordStats();

    SizeTracker sizeTracker = new SizeTracker();
    cacheBuilder.removalListener(sizeTracker);

    Cache<ObjectId, byte[]> byteCache = cacheBuilder.build();

    return new PGCache(byteCache, sizeTracker);
}

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From source file:com.davidbracewell.cache.impl.GuavaCacheUtils.java

/**
 * Converts a CacheSpec into a CacheBuilder
 *
 * @param specification The specification
 * @param <K>           The key type
 * @param <V>           The value type
 * @return The CacheBuilder/*from w  w  w  .  j  ava  2s  . c  om*/
 */
public static <K, V> CacheBuilder<K, V> cacheBuilderFromSpec(CacheSpec<K, V> specification) {
    CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
    if (specification.getMaxSize() > 0) {
        cacheBuilder.maximumSize(specification.getMaxSize());
    }
    if (specification.getConcurrencyLevel() > 0) {
        cacheBuilder.concurrencyLevel(specification.getMaxSize());
    }
    if (specification.getInitialCapacity() > 0) {
        cacheBuilder.initialCapacity(specification.getInitialCapacity());
    }
    if (specification.getExpiresAfterAccess() > 0) {
        cacheBuilder.expireAfterAccess(specification.getExpiresAfterAccess(), TimeUnit.MILLISECONDS);
    }
    if (specification.getExpiresAfterWrite() > 0) {
        cacheBuilder.expireAfterWrite(specification.getExpiresAfterWrite(), TimeUnit.MILLISECONDS);
    }
    if (specification.isWeakKeys()) {
        cacheBuilder.weakKeys();
    }
    if (specification.isWeakValues()) {
        cacheBuilder.weakValues();
    }
    return Cast.as(cacheBuilder);
}

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From source file:com.google.gitiles.ConfigUtil.java

/**
 * Get a {@link CacheBuilder} from a config.
 *
 * @param config JGit config object./*from   w  w w  . j av  a  2s  .co m*/
 * @param name name of the cache subsection under the "cache" section.
 * @return a new cache builder.
 */
public static CacheBuilder<Object, Object> getCacheBuilder(Config config, String name) {
    CacheBuilder<Object, Object> b = CacheBuilder.newBuilder();
    try {
        if (config.getString("cache", name, "maximumWeight") != null) {
            b.maximumWeight(config.getLong("cache", name, "maximumWeight", 20 << 20));
        }
        if (config.getString("cache", name, "maximumSize") != null) {
            b.maximumSize(config.getLong("cache", name, "maximumSize", 16384));
        }
        Duration expireAfterWrite = getDuration(config, "cache", name, "expireAfterWrite", null);
        if (expireAfterWrite != null) {
            b.expireAfterWrite(expireAfterWrite.getMillis(), TimeUnit.MILLISECONDS);
        }
        Duration expireAfterAccess = getDuration(config, "cache", name, "expireAfterAccess", null);
        if (expireAfterAccess != null) {
            b.expireAfterAccess(expireAfterAccess.getMillis(), TimeUnit.MILLISECONDS);
        }
        // Add other methods as needed.
    } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException("Error getting CacheBuilder for " + name, e);
    } catch (IllegalStateException e) {
        throw new IllegalStateException("Error getting CacheBuilder for " + name, e);
    }
    return b;
}

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From source file:com.streamsets.pipeline.lib.parser.net.netflow.v9.NetflowV9Decoder.java

public static Cache<FlowSetTemplateCacheKey, FlowSetTemplate> buildTemplateCache(int maxTemplateCacheSize,
        int templateCacheTimeoutMs) {
    CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    if (maxTemplateCacheSize > 0) {
        cacheBuilder = cacheBuilder.maximumSize(maxTemplateCacheSize);
    }/*from  w  w w.ja  va  2  s . c  om*/
    if (templateCacheTimeoutMs > 0) {
        cacheBuilder = cacheBuilder.expireAfterAccess(templateCacheTimeoutMs, TimeUnit.MILLISECONDS);
    }
    if (LOG.isTraceEnabled()) {
        cacheBuilder = cacheBuilder.removalListener(
                (notification) -> LOG.trace("Removing flow set template entry {} for cause: {} ",
                        notification.getKey(), notification.getCause()));
    }
    return cacheBuilder.build();
}

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From source file:net.maritimecloud.mms.server.rest.TailLogger.java

public TailLogger() {
    CacheBuilder<Object, Object> b = CacheBuilder.newBuilder();
    b.expireAfterAccess(1, TimeUnit.HOURS);
    cache = b.build();
}

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From source file:com.p000ison.dev.simpleclans2.claiming.data.ChunkCache.java

public ChunkCache(int initial, int maxSize, long duration) {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();

    builder.maximumSize(maxSize);/*from w  w w.j a  v a2s  .c o m*/
    builder.expireAfterAccess(duration, TimeUnit.SECONDS);
    builder.initialCapacity(initial);
    //        cache = builder.build(this);
}

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From source file:org.elasticsearch.index.cache.query.parser.resident.ResidentQueryParserCache.java

@Inject
public ResidentQueryParserCache(Index index, @IndexSettings Settings indexSettings) {
    super(index, indexSettings);

    this.maxSize = componentSettings.getAsInt("max_size", 100);
    this.expire = componentSettings.getAsTime("expire", null);
    logger.debug("using [resident] query cache with max_size [{}], expire [{}]", maxSize, expire);

    CacheBuilder cacheBuilder = CacheBuilder.newBuilder().maximumSize(maxSize);
    if (expire != null) {
        cacheBuilder.expireAfterAccess(expire.nanos(), TimeUnit.NANOSECONDS);
    }/*w w w . j  a  va 2  s  .  c  o m*/

    this.cache = cacheBuilder.build();
}

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From source file:kr.debop4j.core.cache.HashMapCacheRepository.java

public HashMapCacheRepository(long validFor) {
    if (validFor > 0)
        setExpiry(validFor);/* w  w  w  . ja v  a2  s  .  c o  m*/

    CacheBuilder builder = CacheBuilder.newBuilder();

    if (validFor > 0)
        builder.expireAfterAccess(validFor, TimeUnit.MINUTES);

    cache = builder.build();
}

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