public override void Migrate(DatabaseLayout directoryLayout, DatabaseLayout migrationLayout, ProgressReporter progressReporter, string versionToMigrateFrom, string versionToMigrateTo)
{
RecordFormats from = RecordFormatSelector.selectForVersion(versionToMigrateFrom);
RecordFormats to = RecordFormatSelector.selectForVersion(versionToMigrateTo);
if (!from.HasCompatibleCapabilities(to, CapabilityType.INDEX))
{
_schemaIndexDirectory = _indexProvider.directoryStructure().rootDirectory();
if (_schemaIndexDirectory != null)
{
_deleteObsoleteIndexes = true;
}
// else this schema index provider doesn't have any persistent storage to delete.
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void migrate(org.neo4j.io.layout.DatabaseLayout directoryLayout, org.neo4j.io.layout.DatabaseLayout migrationLayout, org.neo4j.kernel.impl.util.monitoring.ProgressReporter progressMonitor, String versionToMigrateFrom, String versionToMigrateTo) throws java.io.IOException
public override void Migrate(DatabaseLayout directoryLayout, DatabaseLayout migrationLayout, ProgressReporter progressMonitor, string versionToMigrateFrom, string versionToMigrateTo)
{
IndexImplementation indexImplementation = _explicitIndexProvider.getProviderByName(LUCENE_EXPLICIT_INDEX_PROVIDER_NAME);
if (indexImplementation != null)
{
RecordFormats from = RecordFormatSelector.selectForVersion(versionToMigrateFrom);
RecordFormats to = RecordFormatSelector.selectForVersion(versionToMigrateTo);
if (!from.HasCompatibleCapabilities(to, CapabilityType.INDEX))
{
_originalExplicitIndexesRoot = indexImplementation.GetIndexImplementationDirectory(directoryLayout);
_migrationExplicitIndexesRoot = indexImplementation.GetIndexImplementationDirectory(migrationLayout);
if (IsNotEmptyDirectory(_originalExplicitIndexesRoot))
{
MigrateExplicitIndexes(progressMonitor);
_explicitIndexMigrated = true;
}
}
}
else
{
_log.debug("Lucene index provider not found, nothing to migrate.");
}
}
