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

Introduction

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

Prototype

public static CacheBuilder<Object, Object> newBuilder()

Source Link

Document

Constructs a new CacheBuilder instance with default settings, including strong keys, strong values, and no automatic eviction of any kind.

Usage

From source file:org.lilyproject.rest.RecordScannerMapBuilder.java

public static Cache<String, RecordScanner> createRecordScannerMap(int delay, TimeUnit unit) {
    return CacheBuilder.newBuilder().expireAfterAccess(delay, unit).build();
}

From source file:org.wso2.carbon.logging.appender.StreamDefinitionCache.java

private static void init() {
    if (streamIdLoadingCache != null) {
        return;/* w ww  . j  ava 2  s.  c  o  m*/
    }
    synchronized (StreamDefinitionCache.class) {
        if (streamIdLoadingCache != null) {
            return;
        }
        streamIdLoadingCache = CacheBuilder.newBuilder().maximumSize(1000)
                .expireAfterAccess(120, TimeUnit.MINUTES).build(new CacheLoader<String, StreamData>() {
                    @Override
                    public StreamData load(String tenantId) throws Exception {
                        return new StreamData(tenantId, "");
                    }
                });
    }

}

From source file:org.wso2.carbon.logging.service.appender.StreamDefinitionCache.java

private static void init() {
    if (streamIdLoadingCache != null) {
        return;/*w w w  . ja  va  2s.c o m*/
    }
    synchronized (StreamDefinitionCache.class) {
        if (streamIdLoadingCache != null) {
            return;
        }
        streamIdLoadingCache = CacheBuilder.newBuilder().maximumSize(1000)
                .expireAfterAccess(120, TimeUnit.MINUTES).build(new CacheLoader<String, StreamData>() {
                    @Override
                    public StreamData load(String tenantId) throws Exception {
                        return new StreamData(tenantId, "", "");
                    }
                });
    }

}

From source file:org.apache.whirr.util.Utils.java

/**
 * converts a map to a loading cache.//from  ww w  .  j  a  v a2 s  .  c  o  m
 */
public static <K, V> LoadingCache<K, V> convertMapToLoadingCache(Map<K, V> in) {
    return CacheBuilder.newBuilder().build(CacheLoader.from(Functions.forMap(in)));
}

From source file:com.palantir.atlasdb.cleaner.CachingPuncherStore.java

public static CachingPuncherStore create(final PuncherStore puncherStore, long granularityMillis) {
    LoadingCache<Long, Long> timeMillisToTimestamp = CacheBuilder.newBuilder().maximumSize(CACHE_SIZE)
            .<Long, Long>build(new CacheLoader<Long, Long>() {
                @Override/*from   w w w.ja  v a  2s. c om*/
                public Long load(Long timeMillis) throws Exception {
                    return puncherStore.get(timeMillis);
                }
            });
    return new CachingPuncherStore(puncherStore, timeMillisToTimestamp, granularityMillis);
}

From source file:com.android.tools.idea.npw.template.IconLoader.java

public static LoadingCache<File, Optional<Icon>> createLoadingCache() {
    return CacheBuilder.newBuilder().build(new IconLoader());
}

From source file:ec.tstoolkit.utilities.GuavaCaches.java

@Nonnull
public static <K, V> Cache<K, V> ttlCache(@Nonnull Duration duration) {
    return CacheBuilder.newBuilder().expireAfterWrite(duration.toNanos(), TimeUnit.NANOSECONDS).build();
}

From source file:org.caleydo.view.domino.api.model.typed.MappingCaches.java

/**
 *
 * @return a generic cache for creating a mapper
 *///w w  w  .ja  v a 2s.  co m
public static LoadingCache<Pair<IDType, IDType>, IIDTypeMapper<Integer, Integer>> create() {
    return CacheBuilder.newBuilder().build(new MapperCache2());
}

From source file:com.lithium.flow.util.Caches.java

@Nonnull
@SuppressWarnings("unchecked")
public static <K, V> LoadingCache<K, V> build(@Nonnull CheckedFunction<K, V, Exception> function,
        @Nonnull UnaryOperator<CacheBuilder<K, V>> operator) {
    checkNotNull(function);/* w  w w  .ja  va  2  s.c  o  m*/
    checkNotNull(operator);
    return operator.apply((CacheBuilder<K, V>) CacheBuilder.newBuilder()).build(loader(function));
}

From source file:com.davidbracewell.cache.impl.GuavaCacheUtils.java

/**
 * Converts a CacheSpec into a CacheBuilder
 *
 * @param specification The specification
 * @param <K>           The key type
 * @param <V>           The value type
 * @return The CacheBuilder//  w w  w. ja v a 2  s .  com
 */
public static <K, V> CacheBuilder<K, V> cacheBuilderFromSpec(CacheSpec<K, V> specification) {
    CacheBuilder cacheBuilder = CacheBuilder.newBuilder();
    if (specification.getMaxSize() > 0) {
        cacheBuilder.maximumSize(specification.getMaxSize());
    }
    if (specification.getConcurrencyLevel() > 0) {
        cacheBuilder.concurrencyLevel(specification.getMaxSize());
    }
    if (specification.getInitialCapacity() > 0) {
        cacheBuilder.initialCapacity(specification.getInitialCapacity());
    }
    if (specification.getExpiresAfterAccess() > 0) {
        cacheBuilder.expireAfterAccess(specification.getExpiresAfterAccess(), TimeUnit.MILLISECONDS);
    }
    if (specification.getExpiresAfterWrite() > 0) {
        cacheBuilder.expireAfterWrite(specification.getExpiresAfterWrite(), TimeUnit.MILLISECONDS);
    }
    if (specification.isWeakKeys()) {
        cacheBuilder.weakKeys();
    }
    if (specification.isWeakValues()) {
        cacheBuilder.weakValues();
    }
    return Cast.as(cacheBuilder);
}