Package org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.model

Class PersistenceLayer

java.lang.Object
org.odpi.openmetadata.adapters.repositoryservices.xtdb.repositoryconnector.model.PersistenceLayer
public class PersistenceLayer extends Object
Manages the persistence layer: for now, primarily indicating the version of the connector for which data has been persisted, to validate migration starting points.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final long
    LATEST_VERSION
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected static xtdb.api.XtdbDocument
    getPersistenceDetails(xtdb.api.IXtdb xtdbAPI)
    Retrieve details about the persistence layer from the provided XTDB back-end.
    static long
    getVersion(xtdb.api.IXtdb xtdbAPI)
    Retrieve the version of the persistence layer for the provided XTDB back-end.
    static boolean
    isLatestVersion(xtdb.api.IXtdb xtdbAPI)
    Check whether the persistence layer for the provided XTDB back-end is the latest or not.
    static void
    setVersion(xtdb.api.IXtdb xtdbAPI, long version)
    Set the version of the persistence layer for the provided XTDB back-end.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

  • Method Details

    • getVersion

      public static long getVersion(xtdb.api.IXtdb xtdbAPI)
      Retrieve the version of the persistence layer for the provided XTDB back-end.
      Parameters:
      xtdbAPI - the XTDB back-end for which to retrieve the persistence layer version
      Returns:
      the version of the persistence layer

    • setVersion

      public static void setVersion(xtdb.api.IXtdb xtdbAPI, long version)
      Set the version of the persistence layer for the provided XTDB back-end. CAUTION: this is used for migration purposes, so should not be set by anything other than migration utilities.
      Parameters:
      xtdbAPI - the XTDB back-end for which to set the persistence layer version
      version - to set

    • isLatestVersion

      public static boolean isLatestVersion(xtdb.api.IXtdb xtdbAPI)
      Check whether the persistence layer for the provided XTDB back-end is the latest or not.
      Parameters:
      xtdbAPI - the XTDB back-end for which to check the persistence layer version
      Returns:
      true if it is at the latest version, otherwise false

    • getPersistenceDetails

      protected static xtdb.api.XtdbDocument getPersistenceDetails(xtdb.api.IXtdb xtdbAPI)
      Retrieve details about the persistence layer from the provided XTDB back-end.
      Parameters:
      xtdbAPI - the XTDB back-end for which to retrieve the persistence layer details
      Returns:
      XtdbDocument containing the details (or null if there are none)