How to use

get

method

in

org.apache.jena.ext.com.google.common.collect.BiMap

@Override
public Version find(Id id) {
  Version x = idToVersion.get(id);
  if ( x == null )
    return Version.UNSET;
  return x;
}

/** Short name to full provider name.
 *  A return of null means "don't know".
 */
public static String shortName2LongName(String shortName) {
  if ( shortName == null )
    return null;
  return shortName2LongName.get(shortName);
}

@Override
public Id find(Version version) {
  return idToVersion.inverse().get(version);
}

@Override
public RDFPatch fetch(Id patchId) {
  Version version = idToVersion.get(patchId);
  if ( version == null )
    return null;
  return fetch(version) ;
}

public static String longName2ShortName(String providerName) {
  return shortName2LongName.inverse().get(providerName);
}
// ----

@Override
public Stream<RDFPatch> range(Id start, Id finish) {
  Version startVersion = idToVersion.get(start);
  Version finishVersion = idToVersion.get(finish);
  if ( startVersion == null ) {}
  if ( finishVersion == null ) {}
  // Isolation not necessary. Patch files are immutable once written.
  return
    LongStream
      .rangeClosed(startVersion.value(), finishVersion.value())
      .mapToObj(v->fetch(fileStore, v));
}

@Override
public Id getEarliestId() {
  Version x = getEarliestVersion();
  if ( ! Version.isValid(x) )
    return null;
  return idToVersion.inverse().get(x);
}