Method LruMap

storm-server/src/main/java/org/apache/storm/utils/LruMap.java:22–25

(int maxSize)

    private CacheEvictionCallback evCb = null;

    public LruMap(int maxSize) {
        super(maxSize + 1, 1.0f, true);
        this.maxSize = maxSize;
    }

    /**
     * Creates an LRU map that will call back before data is removed from the map.