boon/src/main/java/org/boon/cache/SimpleConcurrentCache.java
@Override
    public int size() {
        int size = 0;
        for ( SimpleCache<K, V> cache : cacheRegions ) {
            size += cache.size();
        }
        return size;
    }
@Override
    public int size() {
        int size = 0;
        for ( SimpleCache<K, V> cache : cacheRegions ) {
            size += cache.size();
        }
        return size;
    }
Get the size of the cache.
This is not 100% accurate if cache is being concurrenly accessed.