# Package edu.ucsb.nceas.metacat.dataone

- Class Summary
  Class | Description
  --- | ---
  CNodeService | Represents Metacat's implementation of the DataONE Coordinating Node service API.
  D1AuthHelper | This is delegate class for D1NodeService and subclasses.
  D1NodeService |
  D1NodeVersionChecker | This class will contact the CN to figure out the version of the service for the given node
  MNodeService | Represents Metacat's implementation of the DataONE Member Node service API.
  NodeReplicationPolicyChecker | This class enforces the node replication policies such as the allowed node list, maximum size and allowed format list
  ObjectFormatService | Implements a subset of the DataONE CNCore services in Metacat.
  SyncAccessPolicy |
  SystemMetadataFactory |

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