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

Introduction

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

Prototype

public CacheBuilder<K, V> recordStats() 

Source Link

Document

Enable the accumulation of CacheStats during the operation of the cache.

Usage

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

public static CacheConfig recordStats() {
    return new CacheConfig() {
        @Override/*  w ww.j a va2  s  . c o  m*/
        public CacheBuilder<Object, Object> configure(CacheBuilder<Object, Object> builder) {
            LOG.info("Recording stats");
            return builder.recordStats();
        }
    };
}

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From source file:org.opendaylight.infrautils.caches.guava.internal.GuavaCacheProvider.java

private static <K, V> CacheBuilder<K, V> newCacheBuilder(BaseCacheConfig cacheConfig,
        CachePolicy initialPolicy) {//from w  ww  . java 2s . c o m
    Objects.requireNonNull(cacheConfig, "cacheConfig");
    @SuppressWarnings("unchecked")
    // TODO support from(String) with CacheBuilderSpec for configuration from CachePolicy's extensions
    CacheBuilder<K, V> builder = (CacheBuilder<K, V>) CacheBuilder.newBuilder();
    // builder.concurrencyLevel(concurrencyLevel) <= this is a Guava specific setting, TBD String CacheBuilderSpec
    if (initialPolicy.statsEnabled()) {
        builder.recordStats();
    }

    long maxEntries = initialPolicy.maxEntries();
    if (maxEntries != CachePolicy.UNLIMITED_ENTRIES) {
        builder.maximumSize(maxEntries);
    }

    // TODO @see CachePolicy
    //   * TODO builder.concurrencyLevel(initialPolicy.?.concurrencyLevel);
    //   * TODO builder.initialCapacity(initialPolicy.?.initialCapacity)
    return builder;
}

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From source file:org.locationtech.geogig.storage.cache.SharedCache.java

@VisibleForTesting
static SharedCache build(int L1capacity, long maxCacheSizeBytes) {
    checkArgument(L1capacity >= 0);//from   ww  w  .  j a  v  a  2  s  . c  o  m
    checkArgument(maxCacheSizeBytes >= 0, "Cache size can't be < 0, 0 meaning no cache at all");

    if (0L == maxCacheSizeBytes) {
        return NO_CACHE;
    }

    int initialCapacityCount = 1_000_000;
    int concurrencyLevel = 16;

    CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    cacheBuilder = cacheBuilder.maximumWeight(maxCacheSizeBytes);
    cacheBuilder.weigher(Impl.SizeTracker.WEIGHER);

    cacheBuilder.initialCapacity(initialCapacityCount);
    cacheBuilder.concurrencyLevel(concurrencyLevel);
    cacheBuilder.recordStats();

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

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

    return new Impl(L1capacity, byteCache, sizeTracker);
}

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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);//  w ww  .j a  va  2 s. c om
    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.sri.ai.expresso.core.DefaultSymbol.java

private static Cache<Object, Symbol> newSymbolTable() {
    CacheBuilder<Object, Object> cb = CacheBuilder.newBuilder();

    long maximumSize = ExpressoConfiguration.getGlobalSymbolTableMaximumSize();
    // Note: a maximumSize of 
    // < 0 means no size restrictions
    // = 0 means no cache
    // > 0 means maximum size of cache
    if (maximumSize >= 0L) {
        cb.maximumSize(maximumSize);//from   w w w  .j  a v  a 2s .com
    }
    if (AICUtilConfiguration.isRecordCacheStatistics()) {
        cb.recordStats();
    }

    Cache<Object, Symbol> result = cb.build();

    return result;
}

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From source file:com.github.benmanes.caffeine.cache.testing.GuavaLocalCache.java

/** Returns a Guava-backed cache. */
@SuppressWarnings("CheckReturnValue")
public static <K, V> Cache<K, V> newGuavaCache(CacheContext context) {
    checkState(!context.isAsync(), "Guava caches are synchronous only");

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (context.initialCapacity != InitialCapacity.DEFAULT) {
        builder.initialCapacity(context.initialCapacity.size());
    }/*from   w w  w .  ja  v a 2  s  .  c  o  m*/
    if (context.isRecordingStats()) {
        builder.recordStats();
    }
    if (context.maximumSize != MaximumSize.DISABLED) {
        if (context.weigher == CacheWeigher.DEFAULT) {
            builder.maximumSize(context.maximumSize.max());
        } else {
            builder.weigher(new GuavaWeigher<Object, Object>(context.weigher));
            builder.maximumWeight(context.maximumWeight());
        }
    }
    if (context.afterAccess != Expire.DISABLED) {
        builder.expireAfterAccess(context.afterAccess.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.afterWrite != Expire.DISABLED) {
        builder.expireAfterWrite(context.afterWrite.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.refresh != Expire.DISABLED) {
        builder.refreshAfterWrite(context.refresh.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.expires() || context.refreshes()) {
        builder.ticker(context.ticker());
    }
    if (context.keyStrength == ReferenceType.WEAK) {
        builder.weakKeys();
    } else if (context.keyStrength == ReferenceType.SOFT) {
        throw new IllegalStateException();
    }
    if (context.valueStrength == ReferenceType.WEAK) {
        builder.weakValues();
    } else if (context.valueStrength == ReferenceType.SOFT) {
        builder.softValues();
    }
    if (context.removalListenerType != Listener.DEFAULT) {
        boolean translateZeroExpire = (context.afterAccess == Expire.IMMEDIATELY)
                || (context.afterWrite == Expire.IMMEDIATELY);
        builder.removalListener(new GuavaRemovalListener<>(translateZeroExpire, context.removalListener));
    }
    Ticker ticker = (context.ticker == null) ? Ticker.systemTicker() : context.ticker;
    if (context.loader == null) {
        context.cache = new GuavaCache<>(builder.<Integer, Integer>build(), ticker);
    } else if (context.loader().isBulk()) {
        context.cache = new GuavaLoadingCache<>(
                builder.build(new BulkLoader<Integer, Integer>(context.loader())), ticker);
    } else {
        context.cache = new GuavaLoadingCache<>(
                builder.build(new SingleLoader<Integer, Integer>(context.loader())), ticker);
    }
    @SuppressWarnings("unchecked")
    Cache<K, V> castedCache = (Cache<K, V>) context.cache;
    return castedCache;
}

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From source file:com.github.benmanes.caffeine.cache.testing.GuavaCacheFromContext.java

/** Returns a Guava-backed cache. */
@SuppressWarnings("CheckReturnValue")
public static <K, V> Cache<K, V> newGuavaCache(CacheContext context) {
    checkState(!context.isAsync(), "Guava caches are synchronous only");

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    context.guava = builder;/*from  w  w w  .  jav  a  2s.  c  o  m*/

    builder.concurrencyLevel(1);
    if (context.initialCapacity != InitialCapacity.DEFAULT) {
        builder.initialCapacity(context.initialCapacity.size());
    }
    if (context.isRecordingStats()) {
        builder.recordStats();
    }
    if (context.maximumSize != Maximum.DISABLED) {
        if (context.weigher == CacheWeigher.DEFAULT) {
            builder.maximumSize(context.maximumSize.max());
        } else {
            builder.weigher(new GuavaWeigher<Object, Object>(context.weigher));
            builder.maximumWeight(context.maximumWeight());
        }
    }
    if (context.afterAccess != Expire.DISABLED) {
        builder.expireAfterAccess(context.afterAccess.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.afterWrite != Expire.DISABLED) {
        builder.expireAfterWrite(context.afterWrite.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.refresh != Expire.DISABLED) {
        builder.refreshAfterWrite(context.refresh.timeNanos(), TimeUnit.NANOSECONDS);
    }
    if (context.expires() || context.refreshes()) {
        builder.ticker(context.ticker());
    }
    if (context.keyStrength == ReferenceType.WEAK) {
        builder.weakKeys();
    } else if (context.keyStrength == ReferenceType.SOFT) {
        throw new IllegalStateException();
    }
    if (context.valueStrength == ReferenceType.WEAK) {
        builder.weakValues();
    } else if (context.valueStrength == ReferenceType.SOFT) {
        builder.softValues();
    }
    if (context.removalListenerType != Listener.DEFAULT) {
        boolean translateZeroExpire = (context.afterAccess == Expire.IMMEDIATELY)
                || (context.afterWrite == Expire.IMMEDIATELY);
        builder.removalListener(new GuavaRemovalListener<>(translateZeroExpire, context.removalListener));
    }
    Ticker ticker = (context.ticker == null) ? Ticker.systemTicker() : context.ticker;
    if (context.loader == null) {
        context.cache = new GuavaCache<>(builder.<Integer, Integer>build(), ticker, context.isRecordingStats());
    } else if (context.loader().isBulk()) {
        context.cache = new GuavaLoadingCache<>(
                builder.build(new BulkLoader<Integer, Integer>(context.loader())), ticker,
                context.isRecordingStats());
    } else {
        context.cache = new GuavaLoadingCache<>(
                builder.build(new SingleLoader<Integer, Integer>(context.loader())), ticker,
                context.isRecordingStats());
    }
    @SuppressWarnings("unchecked")
    Cache<K, V> castedCache = (Cache<K, V>) context.cache;
    return castedCache;
}

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From source file:com.sri.ai.expresso.core.DefaultSyntaxLeaf.java

private static Cache<Object, SyntaxLeaf> newSymbolTable() {
    CacheBuilder<Object, Object> cb = CacheBuilder.newBuilder();

    long maximumSize = ExpressoConfiguration.getGlobalSymbolTableMaximumSize();
    // Note: a maximumSize of 
    // < 0 means no size restrictions
    // = 0 means no cache
    // > 0 means maximum size of cache
    if (maximumSize >= 0L) {
        cb.maximumSize(maximumSize);//from w  ww .j  a  v a2s. co m
    }
    if (AICUtilConfiguration.isRecordCacheStatistics()) {
        cb.recordStats();
    }

    Cache<Object, SyntaxLeaf> result = cb.build();

    return result;
}

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From source file:com.google.gerrit.server.cache.h2.DefaultCacheFactory.java

@SuppressWarnings("unchecked")
<K, V> CacheBuilder<K, V> create(CacheBinding<K, V> def, boolean unwrapValueHolder) {
    CacheBuilder<K, V> builder = newCacheBuilder();
    builder.recordStats();
    builder.maximumWeight(cfg.getLong("cache", def.name(), "memoryLimit", def.maximumWeight()));

    builder.removalListener(forwardingRemovalListenerFactory.create(def.name()));

    Weigher<K, V> weigher = def.weigher();
    if (weigher != null && unwrapValueHolder) {
        final Weigher<K, V> impl = weigher;
        weigher = (Weigher<K, V>) new Weigher<K, ValueHolder<V>>() {
            @Override//from   w  w  w  . j  av a2s  .c  o m
            public int weigh(K key, ValueHolder<V> value) {
                return impl.weigh(key, value.value);
            }
        };
    } else if (weigher == null) {
        weigher = unitWeight();
    }
    builder.weigher(weigher);

    Long age = def.expireAfterWrite(TimeUnit.SECONDS);
    if (has(def.name(), "maxAge")) {
        builder.expireAfterWrite(ConfigUtil.getTimeUnit(cfg, "cache", def.name(), "maxAge",
                age != null ? age : 0, TimeUnit.SECONDS), TimeUnit.SECONDS);
    } else if (age != null) {
        builder.expireAfterWrite(age, TimeUnit.SECONDS);
    }

    return builder;
}

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From source file:com.steeleforge.aem.ironsites.cache.service.impl.SimpleCacheServiceImpl.java

private Cache<Object, Object> buildCache(String spec, boolean stats) {
    CacheBuilder<Object, Object> builder = CacheBuilder.from(spec);
    if (stats) {//from  w  w w  . j  a v a2  s. c  o m
        builder = builder.recordStats();
    }
    return builder.build();
}

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