# Uses of Package
org.apache.lucene.replicator.nrt

- Packages that use org.apache.lucene.replicator.nrt
  Package | Description
  --- | ---
  org.apache.lucene.replicator.nrt | Near-real-time replication framework

- Classes in org.apache.lucene.replicator.nrt used by org.apache.lucene.replicator.nrt
  Class and Description
  CopyJob Handles copying one set of files, e.g.
  CopyJob.OnceDone Callback invoked by CopyJob once all files have (finally) finished copying
  CopyOneFile Copies one file from an incoming DataInput to a dest filename in a local Directory
  CopyState Holds incRef'd file level details for one point-in-time segment infos on the primary node.
  FileMetaData Holds metadata details about a single file that we use to confirm two files (one remote, one local) are in fact "identical".
  Node Common base class for `PrimaryNode` and `ReplicaNode`.
  ReplicaNode Replica node, that pulls index changes from the primary node by copying newly flushed or merged index files.

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