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

Introduction

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

Prototype

public CacheBuilder<K, V> expireAfterWrite(long duration, TimeUnit unit) 

Source Link

Document

Specifies that each entry should be automatically removed from the cache once a fixed duration has elapsed after the entry's creation, or the most recent replacement of its value.

Usage

From source file:org.restheart.cache.impl.GuavaLoadingCache.java

public GuavaLoadingCache(long size, EXPIRE_POLICY expirePolicy, long ttl, Function<K, V> loader) {
    CacheBuilder builder = CacheBuilder.newBuilder();

    builder.maximumSize(size);/*from ww w.  j av  a  2  s . c o m*/

    if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_WRITE) {
        builder.expireAfterWrite(ttl, TimeUnit.MILLISECONDS);
    } else if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_READ) {
        builder.expireAfterAccess(ttl, TimeUnit.MILLISECONDS);
    }

    wrapped = builder.build(new CacheLoader<K, Optional<V>>() {
        @Override
        public Optional<V> load(K key) throws Exception {
            return Optional.ofNullable(loader.apply(key));
        }
    });
}

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From source file:org.restheart.cache.impl.GuavaCache.java

public GuavaCache(long size, EXPIRE_POLICY expirePolicy, long ttl) {
    CacheBuilder builder = CacheBuilder.newBuilder();

    builder.maximumSize(size);/*from   w  w w .  j a v a2 s  .  com*/

    if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_WRITE) {
        builder.expireAfterWrite(ttl, TimeUnit.MILLISECONDS);
    } else if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_READ) {
        builder.expireAfterAccess(ttl, TimeUnit.MILLISECONDS);
    }

    wrapped = builder.build();
}

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From source file:org.restheart.cache.impl.GuavaCache.java

public GuavaCache(long size, EXPIRE_POLICY expirePolicy, long ttl,
        Consumer<Map.Entry<K, Optional<V>>> remover) {
    CacheBuilder builder = CacheBuilder.newBuilder();

    builder.maximumSize(size);/*from  w w  w  .j  a v a 2  s.  c om*/

    if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_WRITE) {
        builder.expireAfterWrite(ttl, TimeUnit.MILLISECONDS);
    } else if (ttl > 0 && expirePolicy == EXPIRE_POLICY.AFTER_READ) {
        builder.expireAfterAccess(ttl, TimeUnit.MILLISECONDS);
    }

    wrapped = builder.removalListener((RemovalNotification notification) -> {
        remover.accept(notification);
    }).build();
}

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From source file:com.streamsets.pipeline.stage.processor.dedup.DeDupProcessor.java

@Override
@SuppressWarnings("unchecked")
protected List<ConfigIssue> init() {
    List<ConfigIssue> issues = super.init();
    if (recordCountWindow <= 0) {
        issues.add(getContext().createConfigIssue(Groups.DE_DUP.name(), "recordCountWindow", Errors.DEDUP_00,
                recordCountWindow));/*from w  ww  .  j av a  2  s .  co  m*/
    }
    if (timeWindowSecs < 0) {
        issues.add(getContext().createConfigIssue(Groups.DE_DUP.name(), "timeWindowSecs", Errors.DEDUP_01,
                timeWindowSecs));
    }
    if (compareFields == SelectFields.SPECIFIED_FIELDS && fieldsToCompare.isEmpty()) {
        issues.add(getContext().createConfigIssue(Groups.DE_DUP.name(), "compareFields", Errors.DEDUP_02));
    }

    long estimatedMemory = MEMORY_USAGE_PER_HASH * recordCountWindow;
    long maxPipelineMemoryBytes = getContext().getPipelineMaxMemory() * 1000 * 1000;
    if (estimatedMemory > maxPipelineMemoryBytes) {
        issues.add(getContext().createConfigIssue(Groups.DE_DUP.name(), "recordCountWindow", Errors.DEDUP_03,
                recordCountWindow, estimatedMemory / (1000 * 1000), getContext().getPipelineMaxMemory()));
        //MiB to bytes conversion, use  1000 * 1000 instead of 1024 * 1024
    }
    if (issues.isEmpty()) {
        hasher = HashingUtil.getHasher("murmur3_128");
        funnel = (compareFields == SelectFields.ALL_FIELDS)
                ? HashingUtil.getRecordFunnel(Collections.EMPTY_LIST)
                : HashingUtil.getRecordFunnel(fieldsToCompare);
        CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
        if (timeWindowSecs > 0) {
            cacheBuilder.expireAfterWrite(timeWindowSecs, TimeUnit.SECONDS);
        }
        hashCache = cacheBuilder.build(new CacheLoader<HashCode, Object>() {
            @Override
            public Object load(HashCode key) throws Exception {
                return VOID;
            }
        });
        hashBuffer = XEvictingQueue.create(recordCountWindow);
        hashAttrName = getInfo() + ".hash";
        uniqueLane = getContext().getOutputLanes().get(OutputStreams.UNIQUE.ordinal());
        duplicateLane = getContext().getOutputLanes().get(OutputStreams.DUPLICATE.ordinal());
    }
    return issues;
}

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From source file:org.trimou.engine.cache.DefaultComputingCacheFactory.java

@Override
public <K, V> ComputingCache<K, V> create(final String consumerId, final Function<K, V> computingFunction,
        final Long expirationTimeout, final Long maxSize, final Listener<K> listener) {

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();

    if (expirationTimeout != null && expirationTimeout > 0) {
        builder.expireAfterWrite(expirationTimeout, TimeUnit.MILLISECONDS);
    }//from   w  w  w. j a v  a2s.  c  o m
    if (maxSize != null) {
        builder.maximumSize(maxSize);
    }
    if (listener != null) {
        builder.removalListener(new RemovalListener<K, V>() {
            @Override
            public void onRemoval(RemovalNotification<K, V> notification) {
                listener.entryInvalidated(notification.getKey(), notification.getCause().toString());
            }
        });
    }
    return new LoadingCacheAdapter<K, V>(builder.build(new CacheLoaderAdapter<K, V>(computingFunction)));
}

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From source file:org.opennms.plugins.elasticsearch.rest.NodeCacheImpl.java

public void init() {
    if (cache == null) {
        LOG.info("initializing node data cache (TTL=" + MAX_TTL + "m, MAX_SIZE=" + MAX_SIZE + ")");
        CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
        if (MAX_TTL > 0) {
            cacheBuilder.expireAfterWrite(MAX_TTL, TimeUnit.MINUTES);
        }/*w  w  w.  j  a  va2s  . c o m*/
        if (MAX_SIZE > 0) {
            cacheBuilder.maximumSize(MAX_SIZE);
        }

        cache = cacheBuilder.build(new CacheLoader<Long, Map<String, String>>() {
            @Override
            public Map<String, String> load(Long key) throws Exception {
                return getNodeAndCategoryInfo(key);
            }
        });
    }
}

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From source file:com.codeabovelab.dm.platform.cache.ConfigurableGuavaCacheManager.java

private com.google.common.cache.Cache<Object, SimpleValueWrapper> buildCache(CacheConfig cacheConfig) {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (cacheConfig.getExpireAfterWrite() >= 0) {
        builder.expireAfterWrite(cacheConfig.getExpireAfterWrite(), TimeUnit.MILLISECONDS);
    }/*  w w  w  .  j  a  va  2  s.  c  om*/
    return builder.build();
}

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From source file:com.googlecode.webutilities.common.cache.impl.GoogleCache.java

public GoogleCache(CacheConfig<K, V> cacheConfig) {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().softValues();
    // if(reloadAfterAccess > 0)
    //     builder.expireAfterAccess(reloadAfterAccess, TimeUnit.SECONDS);
    if (cacheConfig.getReloadTime() > 0)
        builder.expireAfterWrite(cacheConfig.getReloadTime(), TimeUnit.SECONDS);
    googleCache = builder.build();//ww  w. j  a  v a  2  s . c o  m
}

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From source file:com.enitalk.configs.DateCache.java

@Bean(name = "exchangeCache")
public LoadingCache<String, BigDecimal> exchange() {
    CacheBuilder<Object, Object> ccc = CacheBuilder.newBuilder();
    ccc.expireAfterWrite(30, TimeUnit.MINUTES);

    LoadingCache<String, BigDecimal> cache = ccc.build(new CacheLoader<String, BigDecimal>() {

        @Override/*from  w  w  w  .  java  2s .c  om*/
        public BigDecimal load(String key) throws Exception {
            try {
                return TinkoffController.exchangeRate(jackson);

            } catch (Exception e) {
                logger.error(ExceptionUtils.getFullStackTrace(e));
            }
            return null;
        }

    });

    return cache;
}

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From source file:org.eluder.jersey.mustache.ReloadingMustacheFactory.java

@Override
protected LoadingCache<String, Mustache> createMustacheCache() {
    int templateExpiryMillis = getTemplateExpiryMillis();
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (templateExpiryMillis > ETERNAL_CACHE_VALUE) {
        builder.expireAfterWrite(templateExpiryMillis, TimeUnit.MILLISECONDS);
    }/*from  w w w  .j  ava 2 s . c o  m*/
    return builder.build(createMustacheCacheLoader());
}

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