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

Introduction

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

Prototype

long maximumSize

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Usage

From source file:com.streamsets.pipeline.stage.processor.kv.LookupUtils.java

private static CacheBuilder createBuilder(CacheConfig conf) {
    CacheBuilder cacheBuilder = CacheBuilder.newBuilder();

    if (!conf.enabled) {
        // If cache is disabled, simply set size to zero
        conf.maxSize = 0;/*from  ww w . j  a v  a  2s.c  o  m*/
    } else if (conf.maxSize == -1) {
        conf.maxSize = Long.MAX_VALUE;
    }

    // recordStats is available only in Guava 12.0 and above, but
    // CDH still uses guava 11.0. Hence the reflection.
    if (LOG.isDebugEnabled()) {
        try {
            Method m = CacheBuilder.class.getMethod("recordStats");
            if (m != null) {
                m.invoke(cacheBuilder);
            }
        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
            // We're intentionally ignoring any reflection errors as we might be running
            // with old guava on class path.
        }
    }

    // CacheBuilder doesn't support specifying type thus suffers from erasure, so
    // we build it with this if / else logic.
    if (conf.evictionPolicyType == EvictionPolicyType.EXPIRE_AFTER_ACCESS) {
        cacheBuilder.maximumSize(conf.maxSize).expireAfterAccess(conf.expirationTime, conf.timeUnit);
    } else if (conf.evictionPolicyType == EvictionPolicyType.EXPIRE_AFTER_WRITE) {
        cacheBuilder.maximumSize(conf.maxSize).expireAfterWrite(conf.expirationTime, conf.timeUnit);
    } else {
        throw new IllegalArgumentException(
                Utils.format("Unrecognized EvictionPolicyType: '{}'", conf.evictionPolicyType));
    }

    return cacheBuilder;
}

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From source file:com.baidu.oped.apm.profiler.metadata.LRUCache.java

public LRUCache(int maxCacheSize) {
    final CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    cacheBuilder.concurrencyLevel(32);/*from w ww. j  a  v  a2  s . c om*/
    cacheBuilder.initialCapacity(maxCacheSize);
    cacheBuilder.maximumSize(maxCacheSize);
    Cache<T, Object> localCache = cacheBuilder.build();
    this.cache = localCache.asMap();
}

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From source file:com.github.fge.jsonschema.core.processing.CachingProcessor.java

/**
 * Main constructor/*from w w w .  j  a  v a 2 s .com*/
 *
 * @param processor the processor
 * @param equivalence an equivalence to use for cache keys
 * @param cacheSize the size of the cache, zero disables it
 * @throws NullPointerException processor or equivalence
 */
public CachingProcessor(final Processor<IN, OUT> processor, final Equivalence<IN> equivalence,
        final int cacheSize) {
    BUNDLE.checkNotNull(processor, "processing.nullProcessor");
    BUNDLE.checkNotNull(equivalence, "processing.nullEquivalence");
    BUNDLE.checkArgument(cacheSize >= -1, "processing.invalidCacheSize");
    this.processor = processor;
    this.equivalence = equivalence;
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (cacheSize != -1) {
        builder.maximumSize(cacheSize);
    }
    cache = builder.build(loader());
}

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From source file:me.defying.chili.memoize.MemoizeCacheLoader.java

@Override
public Cache<Object, Optional<Object>> load(Method key) throws Exception {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    Memoize annotation = key.getAnnotation(Memoize.class);

    if (annotation.size() > 0) {
        builder.maximumSize(annotation.size());
    }/*w w  w  . ja  v a 2 s .co  m*/

    if (annotation.time() > 0) {
        builder.expireAfterWrite(annotation.time(), annotation.unit());
    }

    if (annotation.statistics()) {
        builder.recordStats();
    }

    return builder.build();
}

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From source file:com.navercorp.pinpoint.profiler.metadata.SimpleCache.java

private ConcurrentMap<T, Result> createCache(int maxCacheSize) {
    final CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    cacheBuilder.concurrencyLevel(64);//from  w  w w.j av  a 2  s.  c om
    cacheBuilder.initialCapacity(maxCacheSize);
    cacheBuilder.maximumSize(maxCacheSize);
    Cache<T, Result> localCache = cacheBuilder.build();
    ConcurrentMap<T, Result> cache = localCache.asMap();
    return cache;
}

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From source file:io.datty.unit.UnitSet.java

protected UnitSet(UnitDattyManager parent, String setName, Properties props) {
    this.parent = parent;
    this.name = setName;
    this.props = props;

    String ttlSeconds = props.getProperty(UnitPropertyKeys.MAX_ENTRIES);
    String maxEntries = props.getProperty(UnitPropertyKeys.MAX_ENTRIES);
    if (maxEntries != null) {
        CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
        try {/*w w  w .j  a va2  s.co m*/
            builder.maximumSize(Integer.parseInt(maxEntries));
        } catch (NumberFormatException e) {
            throw new DattyException(
                    "invalid property maxEntries in set: " + setName + ", value=" + maxEntries);
        }
        if (ttlSeconds != null) {
            try {
                builder.expireAfterWrite(Integer.parseInt(ttlSeconds), TimeUnit.SECONDS);
            } catch (NumberFormatException e) {
                throw new DattyException(
                        "invalid property maxEntries in cache: " + setName + ", value=" + maxEntries);
            }
        }

        this.backingCache = builder.build();
        this.recordMap = backingCache.asMap();
    } else {
        this.backingCache = null;
        this.recordMap = new ConcurrentHashMap<String, UnitRecord>();
    }

}

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From source file:org.elasticsearch.index.cache.field.data.resident.ResidentFieldDataCache.java

@Override
protected Cache<String, FieldData> buildFieldDataMap() {
    CacheBuilder<String, FieldData> cacheBuilder = CacheBuilder.newBuilder().removalListener(this);
    if (maxSize != -1) {
        cacheBuilder.maximumSize(maxSize);
    }/*  ww w  .ja  v  a 2s .c om*/
    if (expire != null) {
        cacheBuilder.expireAfterAccess(expire.nanos(), TimeUnit.NANOSECONDS);
    }
    return cacheBuilder.build();
}

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From source file:com.datatorrent.lib.db.cache.CacheStore.java

@Override
public void connect() throws IOException {
    open = true;/*from  w  w  w. j ava2  s.  c om*/

    CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
    cacheBuilder.maximumSize(maxCacheSize);
    if (entryExpiryStrategy == ExpiryType.EXPIRE_AFTER_ACCESS) {
        cacheBuilder.expireAfterAccess(entryExpiryDurationInMillis, TimeUnit.MILLISECONDS);
    } else if (entryExpiryStrategy == ExpiryType.EXPIRE_AFTER_WRITE) {
        cacheBuilder.expireAfterWrite(entryExpiryDurationInMillis, TimeUnit.MILLISECONDS);
    }
    cache = cacheBuilder.build();
    this.cleanupScheduler = Executors.newScheduledThreadPool(1);
    cleanupScheduler.scheduleAtFixedRate(new Runnable() {
        @Override
        public void run() {
            cache.cleanUp();
        }
    }, cacheCleanupIntervalInMillis, cacheCleanupIntervalInMillis, TimeUnit.MILLISECONDS);
}

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From source file:com.github.pagehelper.cache.GuavaCache.java

public GuavaCache(Properties properties, String prefix) {
    CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
    String maximumSize = properties.getProperty(prefix + ".maximumSize");
    if (StringUtil.isNotEmpty(maximumSize)) {
        cacheBuilder.maximumSize(Long.parseLong(maximumSize));
    } else {/*  ww w .  j  av  a 2  s  . c  o m*/
        cacheBuilder.maximumSize(1000);
    }
    String expireAfterAccess = properties.getProperty(prefix + ".expireAfterAccess");
    if (StringUtil.isNotEmpty(expireAfterAccess)) {
        cacheBuilder.expireAfterAccess(Long.parseLong(expireAfterAccess), TimeUnit.MILLISECONDS);
    }
    String expireAfterWrite = properties.getProperty(prefix + ".expireAfterWrite");
    if (StringUtil.isNotEmpty(expireAfterWrite)) {
        cacheBuilder.expireAfterWrite(Long.parseLong(expireAfterWrite), TimeUnit.MILLISECONDS);
    }
    String initialCapacity = properties.getProperty(prefix + ".initialCapacity");
    if (StringUtil.isNotEmpty(initialCapacity)) {
        cacheBuilder.initialCapacity(Integer.parseInt(initialCapacity));
    }
    CACHE = cacheBuilder.build();
}

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From source file:com.sinotopia.mybatis.pagehelper.cache.GuavaCache.java

public GuavaCache(Properties properties, String prefix) {

    CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
    String maximumSize = properties.getProperty(prefix + ".maximumSize");
    if (StringUtil.isNotEmpty(maximumSize)) {
        cacheBuilder.maximumSize(Long.parseLong(maximumSize));
    } else {//  w  w w .java  2  s  . c o m
        cacheBuilder.maximumSize(1000);
    }
    String expireAfterAccess = properties.getProperty(prefix + ".expireAfterAccess");
    if (StringUtil.isNotEmpty(expireAfterAccess)) {
        cacheBuilder.expireAfterAccess(Long.parseLong(expireAfterAccess), TimeUnit.MILLISECONDS);
    }
    String expireAfterWrite = properties.getProperty(prefix + ".expireAfterWrite");
    if (StringUtil.isNotEmpty(expireAfterWrite)) {
        cacheBuilder.expireAfterWrite(Long.parseLong(expireAfterWrite), TimeUnit.MILLISECONDS);
    }
    String initialCapacity = properties.getProperty(prefix + ".initialCapacity");
    if (StringUtil.isNotEmpty(initialCapacity)) {
        cacheBuilder.initialCapacity(Integer.parseInt(initialCapacity));
    }
    CACHE = cacheBuilder.build();
}

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