/**
   * Peeks only near cache without looking into DHT cache.
   *
   * @param key Key.
   * @return Peeked value.
   */
  @Nullable
  public V peekNearOnly(K key) {
    try {
      return peek0(true, key, SMART, CU.<K, V>empty());
    } catch (GridCacheFilterFailedException ignored) {
      if (log.isDebugEnabled()) log.debug("Filter validation failed for key: " + key);

      return null;
    }
  }
    /** {@inheritDoc} */
    @Override
    public void remove() {
      if (currEntry == null) throw new IllegalStateException();

      assert currIter != null;

      currIter.remove();

      try {
        GridNearCache.this.remove(currEntry.getKey(), CU.<K, V>empty());
      } catch (GridException e) {
        throw new GridRuntimeException(e);
      }
    }
 /** @return Near entries. */
 public Set<GridCacheEntry<K, V>> nearEntries() {
   return super.entrySet(CU.<K, V>empty());
 }