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

Introduction

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

Prototype

Ticker ticker

To view the source code for com.google.common.cache CacheBuilder ticker.

Click Source Link

Usage

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  ww w  .  j  av  a  2 s  .  c om*/
    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;
}

---

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  . j a  v a 2 s. 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;
}

---

From source file:it.geosolutions.geofence.cache.CachedRuleReader.java

protected CacheBuilder getCacheBuilder() {
    CacheBuilder builder = CacheBuilder.newBuilder().maximumSize(cacheInitParams.getSize())
            .refreshAfterWrite(cacheInitParams.getRefreshMilliSec(), TimeUnit.MILLISECONDS) // reloadable after x time
            .expireAfterWrite(cacheInitParams.getExpireMilliSec(), TimeUnit.MILLISECONDS) // throw away entries too old
    ;//from w ww  .java2 s  . c  om
    //.expireAfterAccess(timeoutMillis, TimeUnit.MILLISECONDS)
    //                .removalListener(MY_LISTENER)
    // this should only be used while testing
    if (cacheInitParams.getCustomTicker() != null) {
        LOGGER.log(Level.SEVERE, "Setting a custom Ticker in the cache {0}",
                cacheInitParams.getCustomTicker().getClass().getName());
        builder.ticker(cacheInitParams.getCustomTicker());
    }
    return builder;
}

---

From source file:org.geoserver.geofence.cache.CachedRuleReader.java

protected CacheBuilder getCacheBuilder() {
    CacheBuilder builder = CacheBuilder.newBuilder().maximumSize(cacheConfiguration.getSize())
            .refreshAfterWrite(cacheConfiguration.getRefreshMilliSec(), TimeUnit.MILLISECONDS) // reloadable after x time
            .expireAfterWrite(cacheConfiguration.getExpireMilliSec(), TimeUnit.MILLISECONDS) // throw away entries too old
            .recordStats();//  www  .j a  va2  s  .c o  m
    //.expireAfterAccess(timeoutMillis, TimeUnit.MILLISECONDS)
    //                .removalListener(MY_LISTENER)
    // this should only be used while testing
    if (cacheConfiguration.getCustomTicker() != null) {
        LOGGER.log(Level.SEVERE, "Setting a custom Ticker in the cache {0}",
                cacheConfiguration.getCustomTicker().getClass().getName());
        builder.ticker(cacheConfiguration.getCustomTicker());
    }
    return builder;
}

---

From source file:uk.q3c.krail.core.user.opt.GuavaCacheConfiguration.java

public CacheBuilder<Object, Object> builder() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (initialCapacity != null) {
        builder.initialCapacity(initialCapacity);
    }//from  w  w  w.  java  2s .c  o  m
    if (maximumSize != null) {
        builder.maximumSize(maximumSize);
    }
    if (maximumWeight != null) {
        builder.maximumWeight(maximumWeight);
    }
    if (concurrencyLevel != null) {
        builder.concurrencyLevel(concurrencyLevel);
    }
    if (weakKeys) {
        builder.weakKeys();
    }

    if (weakValues) {
    }
    builder.weakValues();
    if (softValues) {
        builder.softValues();
    }

    if (expireAfterWriteDuration != null) {
        builder.expireAfterWrite(expireAfterWriteDuration, expireAfterWriteTimeUnit);
    }
    if (expireAfterAccessDuration != null) {
        builder.expireAfterAccess(expireAfterAccessDuration, expireAfterAccessTimeUnit);
    }
    if (refreshAfterWriteDuration != null) {
        builder.refreshAfterWrite(refreshAfterWriteDuration, refreshAfterWriteTimeUnit);
    }

    if (ticker != null) {
        builder.ticker(ticker);
    }

    if (removalListener != null) {
        builder.removalListener(removalListener);
    }

    if (recordStats) {
        builder.recordStats();
    }
    return builder;
}

---

From source file:com.github.benmanes.multiway.TransferPool.java

/** Creates the denormalized cache of resources based on the builder configuration. */
Cache<ResourceKey<K>, R> __makeCache(MultiwayPoolBuilder<? super K, ? super R> builder) {
    CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    if (builder.maximumSize != MultiwayPoolBuilder.UNSET_INT) {
        cacheBuilder.maximumSize(builder.maximumSize);
    }//from  w w  w  . ja va2s  . c  om
    if (builder.maximumWeight != MultiwayPoolBuilder.UNSET_INT) {
        cacheBuilder.maximumWeight(builder.maximumWeight);
    }
    if (builder.weigher != null) {
        final Weigher<? super K, ? super R> weigher = builder.weigher;
        cacheBuilder.weigher(new Weigher<ResourceKey<K>, R>() {
            @Override
            public int weigh(ResourceKey<K> resourceKey, R resource) {
                return weigher.weigh(resourceKey.getKey(), resource);
            }
        });
    }
    if (builder.expireAfterWriteNanos != MultiwayPoolBuilder.UNSET_INT) {
        cacheBuilder.expireAfterWrite(builder.expireAfterWriteNanos, TimeUnit.NANOSECONDS);
    }
    if (builder.ticker != null) {
        cacheBuilder.ticker(builder.ticker);
    }
    if (builder.recordStats) {
        cacheBuilder.recordStats();
    }
    cacheBuilder.concurrencyLevel(builder.getConcurrencyLevel());
    cacheBuilder.removalListener(new CacheRemovalListener());
    return cacheBuilder.build();
}

---