Example usage for com.google.common.primitives Chars BYTES

Introduction

In this page you can find the example usage for com.google.common.primitives Chars BYTES.

Prototype

int BYTES

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Document

The number of bytes required to represent a primitive char value.

Usage

From source file:com.metamx.cache.CaffeineCache.java

public static CaffeineCache create(final CaffeineCacheConfig config, @Nullable final Executor executor) {
    Caffeine<Object, Object> builder = Caffeine.newBuilder().recordStats();
    if (config.getExpireAfter() >= 0) {
        builder.expireAfterAccess(config.getExpireAfter(), TimeUnit.MILLISECONDS);
    }/*from   ww w .j  a v a2s. c  om*/
    if (config.getSizeInBytes() >= 0) {
        builder.maximumWeight(config.getSizeInBytes()).weigher((NamedKey key, byte[] value) -> value.length
                + key.key.length + key.namespace.length() * Chars.BYTES + FIXED_COST);
    }
    if (executor != null) {
        builder.executor(executor);
    }
    return new CaffeineCache(builder.build(), config);
}

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From source file:io.druid.client.cache.CaffeineCache.java

public static CaffeineCache create(final CaffeineCacheConfig config, final Executor executor) {
    Caffeine<Object, Object> builder = Caffeine.newBuilder().recordStats();
    if (config.getExpireAfter() >= 0) {
        builder.expireAfterAccess(config.getExpireAfter(), TimeUnit.MILLISECONDS);
    }//from   ww w.  j  a v  a  2 s.c  o  m
    if (config.getSizeInBytes() >= 0) {
        builder.maximumWeight(config.getSizeInBytes()).weigher((NamedKey key, byte[] value) -> value.length
                + key.key.length + key.namespace.length() * Chars.BYTES + FIXED_COST);
    }
    builder.executor(executor);
    return new CaffeineCache(builder.build(), config);
}

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From source file:io.druid.server.lookup.namespace.cache.OnHeapNamespaceExtractionCacheManager.java

@Override
protected void monitor(ServiceEmitter serviceEmitter) {
    long numEntries = 0;
    long size = 0;
    for (Map.Entry<String, ConcurrentMap<String, String>> entry : mapMap.entrySet()) {
        final ConcurrentMap<String, String> map = entry.getValue();
        if (map == null) {
            LOG.debug("missing cache key for reporting [%s]", entry.getKey());
            continue;
        }/*from w w w .  ja  va 2s  .c om*/
        numEntries += map.size();
        for (Map.Entry<String, String> sEntry : map.entrySet()) {
            final String key = sEntry.getKey();
            final String value = sEntry.getValue();
            if (key == null || value == null) {
                LOG.debug("Missing entries for cache key [%s]", entry.getKey());
                continue;
            }
            size += key.length() + value.length();
        }
    }
    serviceEmitter.emit(ServiceMetricEvent.builder().build("namespace/cache/numEntries", numEntries));
    serviceEmitter
            .emit(ServiceMetricEvent.builder().build("namespace/cache/heapSizeInBytes", size * Chars.BYTES));
}

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