Example usage for com.google.common.cache RemovalCause EXPLICIT

Introduction

In this page you can find the example usage for com.google.common.cache RemovalCause EXPLICIT.

Prototype

RemovalCause EXPLICIT

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Usage

From source file:org.janusgraph.graphdb.transaction.vertexcache.GuavaVertexCache.java

public GuavaVertexCache(final long maxCacheSize, final int concurrencyLevel, final int initialDirtySize) {
    volatileVertices = new NonBlockingHashMapLong<InternalVertex>(initialDirtySize);
    log.debug("Created dirty vertex map with initial size {}", initialDirtySize);

    cache = CacheBuilder.newBuilder().maximumSize(maxCacheSize).concurrencyLevel(concurrencyLevel)
            .removalListener(new RemovalListener<Long, InternalVertex>() {
                @Override/*from   w  w w.  jav  a 2  s. c  o  m*/
                public void onRemoval(RemovalNotification<Long, InternalVertex> notification) {
                    if (notification.getCause() == RemovalCause.EXPLICIT) { //Due to invalidation at the end
                        assert volatileVertices.isEmpty();
                        return;
                    }
                    //Should only get evicted based on size constraint or replaced through add
                    assert (notification.getCause() == RemovalCause.SIZE
                            || notification.getCause() == RemovalCause.REPLACED) : "Cause: "
                                    + notification.getCause();
                    InternalVertex v = notification.getValue();
                    if (v.isModified()) {
                        volatileVertices.putIfAbsent(notification.getKey(), v);
                    }
                }
            }).build();
    log.debug("Created vertex cache with max size {}", maxCacheSize);
}

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From source file:org.apache.beam.runners.dataflow.worker.ReaderCache.java

/** Cache reader for {@code cacheDuration}. */
ReaderCache(Duration cacheDuration) {
    this.cache = CacheBuilder.newBuilder().expireAfterWrite(cacheDuration.getMillis(), TimeUnit.MILLISECONDS)
            .removalListener((RemovalNotification<KV<String, ByteString>, CacheEntry> notification) -> {
                if (notification.getCause() != RemovalCause.EXPLICIT) {
                    LOG.info("Closing idle reader for {}", keyToString(notification.getKey()));
                    closeReader(notification.getKey(), notification.getValue());
                }/* w  w  w  .ja v  a  2  s  . c  om*/
            }).build();
}

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From source file:org.apache.beam.runners.dataflow.worker.WindmillStateCache.java

public WindmillStateCache() {
    final Weigher<Weighted, Weighted> weigher = Weighers.weightedKeysAndValues();

    stateCache = CacheBuilder.newBuilder().maximumWeight(100000000 /* 100 MB */).recordStats().weigher(weigher)
            .removalListener(removal -> {
                if (removal.getCause() != RemovalCause.REPLACED) {
                    synchronized (this) {
                        StateId id = (StateId) removal.getKey();
                        if (removal.getCause() != RemovalCause.EXPLICIT) {
                            // When we invalidate a key explicitly, we'll also update the keyIndex, so
                            // no need to do it here.
                            keyIndex.remove(id.getComputationKey(), id);
                        }/*from   w w w  . j  av  a  2s.  c  o  m*/
                        displayedWeight -= weigher.weigh(id, removal.getValue());
                    }
                }
            }).build();
}

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From source file:desmedt.frederik.cachebenchmarking.cache.CacheLIRS.java

private void setSegment(int index, Segment<K, V> s) {
    Segment<K, V> old = segments[index];
    segments[index] = s;/*from   w w w .ja v  a2  s . co m*/
    if (evicted != null && old != null && old != s) {
        old.evictedAll(RemovalCause.EXPLICIT);
    }
}

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From source file:desmedt.frederik.cachebenchmarking.cache.CacheLIRS.java

/**
 * Remove an entry. Both resident and non-resident entries can be
 * removed./*from  w  ww  . j  a v  a 2s .  c  o m*/
 *
 * @param key the key (may not be null)
 */
@Override
public void invalidate(Object key) {
    int hash = getHash(key);
    getSegment(hash).invalidate(key, hash, RemovalCause.EXPLICIT);
}

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From source file:desmedt.frederik.cachebenchmarking.cache.CacheLIRS.java

void clear() {
    for (Segment<K, V> s : segments) {
        synchronized (s) {
            if (evicted != null) {
                s.evictedAll(RemovalCause.EXPLICIT);
            }/*  w w w  .ja v a 2 s .  com*/
            s.clear();
        }
    }
}

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