Examples with INSTANCE org.agrona.concurrent.SystemEpochClock.INSTANCE used on opensource projects

Example 1 with INSTANCE

use of org.agrona.concurrent.SystemEpochClock.INSTANCE in project Aeron by real-logic.

the class ArchiveTool method migrate.

/**
 * Migrate previous archive {@link org.agrona.MarkFile}, {@link Catalog}, and recordings from previous version
 * to the latest version.
 *
 * @param out        output stream to print results and errors to.
 * @param archiveDir that contains MarkFile, Catalog and recordings.
 */
public static void migrate(final PrintStream out, final File archiveDir) {
    final EpochClock epochClock = INSTANCE;
    try {
        final int markFileVersion;
        final IntConsumer noVersionCheck = (version) -> {
        };
        try (ArchiveMarkFile markFile = openMarkFileReadWrite(archiveDir, epochClock);
            Catalog catalog = openCatalogReadWrite(archiveDir, epochClock, MIN_CAPACITY, null, noVersionCheck)) {
            markFileVersion = markFile.decoder().version();
            out.println("MarkFile version=" + fullVersionString(markFileVersion));
            out.println("Catalog version=" + fullVersionString(catalog.version()));
            out.println("Latest version=" + fullVersionString(ArchiveMarkFile.SEMANTIC_VERSION));
        }
        final List<ArchiveMigrationStep> steps = ArchiveMigrationPlanner.createPlan(markFileVersion);
        for (final ArchiveMigrationStep step : steps) {
            try (ArchiveMarkFile markFile = openMarkFileReadWrite(archiveDir, epochClock);
                Catalog catalog = openCatalogReadWrite(archiveDir, epochClock, MIN_CAPACITY, null, noVersionCheck)) {
                out.println("Migration step " + step.toString());
                step.migrate(out, markFile, catalog, archiveDir);
            }
        }
    } catch (final Exception ex) {
        ex.printStackTrace(out);
    }
}