Example usage for org.apache.commons.collections4.map LRUMap LRUMap

Introduction

In this page you can find the example usage for org.apache.commons.collections4.map LRUMap LRUMap.

Prototype

public LRUMap(final Map<? extends K, ? extends V> map)

Source Link

Document

Constructor copying elements from another map.

Usage

From source file:Model.CacheInMemory.java

public CacheInMemory(int maxItems) {
    cacheMap = new LRUMap(maxItems);
}

From source file:Model.CacheInMemory.java

public CacheInMemory(long timeToLive, final long timerInterval, int maxItems) {
    this.timeToLive = timeToLive * 1000;

    cacheMap = new LRUMap(maxItems);

    if (timeToLive > 0 && timerInterval > 0) {

        Thread t = new Thread(new Runnable() {
            public void run() {
                while (true) {
                    try {
                        Thread.sleep(timerInterval * 1000);
                    } catch (InterruptedException ex) {
                    }/*from  w ww.  ja  v a 2  s .  co  m*/
                    cleanup();
                }
            }
        });

        t.setDaemon(true);
        t.start();
    }
}

From source file:net.ontopia.persistence.proxy.TransactionalLRULookupIndex.java

public TransactionalLRULookupIndex(CacheIF cache, int lrusize) {
    this.cache = cache;
    this.lru = Collections.synchronizedMap(new LRUMap(lrusize));
    this.lrusize = lrusize;
}

From source file:imitationLearning.WordSequenceCache.java

/**
 *
 * @param timeToLive/*from   ww w .j av a  2 s .  c o m*/
 * @param timerInterval
 * @param maxItems
 */
public WordSequenceCache(long timeToLive, final long timerInterval, int maxItems) {
    this.timeToLive = timeToLive * 1_000;

    cacheMap = new LRUMap(maxItems);

    if (timeToLive > 0 && timerInterval > 0) {

        Thread t = new Thread(() -> {
            while (true) {
                try {
                    Thread.sleep(timerInterval * 1_000);
                } catch (InterruptedException ex) {
                }
                cleanup();
            }
        });

        t.setDaemon(true);
        t.start();
    }
}

From source file:net.ontopia.persistence.proxy.QueryCache.java

QueryCache(DetachedQueryIF query, CacheIF cache, int lrusize) {
    this.query = query;
    this.cache = cache;
    this.lru = Collections.synchronizedMap(new LRUMap(lrusize));
    this.lrusize = lrusize;
}

From source file:net.ontopia.topicmaps.impl.rdbms.QueryLookup.java

public QueryLookup(String qname, TransactionIF txn, int lrusize) {
    this.qname = qname;
    this.txn = txn;
    this.cache = new ReferenceMap(AbstractReferenceMap.ReferenceStrength.SOFT,
            AbstractReferenceMap.ReferenceStrength.HARD);
    this.lru = new LRUMap(lrusize);
}

From source file:net.ontopia.persistence.proxy.ROTransaction.java

public ROTransaction(StorageAccessIF access) {
    super("TX" + access.getId(), access);

    // initialize shared data cache
    StorageCacheIF scache = access.getStorage().getStorageCache();
    this.txncache = new ROLocalCache(this, scache);

    // initialize identity map
    this.lrusize = PropertyUtils
            .getInt(access.getProperty("net.ontopia.topicmaps.impl.rdbms.Cache.shared.identitymap.lru"), 5000);
    this.lru = new LRUMap(this.lrusize);

    // instrument transaction cache
    int dinterval = PropertyUtils
            .getInt(access.getStorage().getProperty("net.ontopia.topicmaps.impl.rdbms.Cache.local.debug"), -1);
    if (dinterval > 0) {
        log.info("Instrumenting local cache.");
        this.txncache = new StatisticsCache("lcache", this.txncache, dinterval);
    }/*w  w  w . jav  a2  s . co  m*/

    // Get access registrar from transaction cache (currently the
    // local data cache)
    this.registrar = txncache.getRegistrar();

    // Use IdentityIF object access
    this.oaccess = new PersistentObjectAccess(this);
}

From source file:com.pungwe.db.io.store.InstanceCachingStore.java

public InstanceCachingStore(Store store, int cacheSize) {
    this.store = store;
    this.cacheSize = cacheSize;
    cache = new LRUMap<>(cacheSize);
}

From source file:com.musenkishi.wally.util.PaletteLoader.java

public static PaletteBuilder with(Context context, String id) {
    if (colorSchemeCache == null) {
        colorSchemeCache = Collections.synchronizedMap(new LRUMap<String, Palette>(MAX_ITEMS_IN_CACHE));
    }/*from  w  w  w.ja v a  2 s.  co m*/
    if (uiHandler == null || backgroundHandler == null) {
        setupHandlers(context);
    }
    return new PaletteBuilder(id);
}

From source file:ch.cyberduck.core.Cache.java

public Cache(int size) {
    if (size == Integer.MAX_VALUE) {
        // Unlimited
        impl = Collections.synchronizedMap(new LinkedHashMap<T, AttributedList<T>>());
        reverse = Collections.synchronizedMap(new LinkedHashMap<CacheReference, T>());
    } else if (size == 0) {
        impl = Collections.emptyMap();
        reverse = Collections.emptyMap();
    } else {/*ww  w .java2  s . com*/
        // Will inflate to the given size
        impl = Collections.synchronizedMap(new LRUMap<T, AttributedList<T>>(size));
        reverse = Collections.synchronizedMap(new LinkedHashMap<CacheReference, T>());
    }
}