# Package com.thinkaurelius.titan.graphdb.util

- Interface Summary
  Interface | Description
  --- | ---
  ConcurrentLRUCache.EvictionListener<V> |

- Class Summary
  Class | Description
  --- | ---
  AllEdgesIterable | Constructs `Iterable`s over all `TitanEdge`s connecting a provided set of vertices.
  AllEdgesIterator | Defines an `Iterator` over all `TitanEdge`s connecting a provided set of vertices.
  ConcurrentLRUCache<V> | A LRU cache implementation based upon ConcurrentHashMap and other techniques to reduce contention and synchronization overhead to utilize multiple CPU cores more effectively.
  ConcurrentLRUCache.Stats |
  ElementHelper |
  ExceptionFactory |
  IndexHelper |
  PriorityQueue<T> | A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.
  VertexCentricEdgeIterable<R extends TitanRelation> |

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