Examples with CleanupResultCode org.syncany.operations.cleanup.CleanupOperationResult.CleanupResultCode used on opensource projects

Example 1 with CleanupResultCode

use of org.syncany.operations.cleanup.CleanupOperationResult.CleanupResultCode in project syncany by syncany.

the class CleanupOperation method execute.

@Override
public CleanupOperationResult execute() throws Exception {
    logger.log(Level.INFO, "");
    logger.log(Level.INFO, "Running 'Cleanup' at client " + config.getMachineName() + " ...");
    logger.log(Level.INFO, "--------------------------------------------");
    // Do initial check out remote repository preconditions
    CleanupResultCode preconditionResult = checkPreconditions();
    fireStartEvent();
    if (preconditionResult != CleanupResultCode.OK) {
        fireEndEvent();
        return new CleanupOperationResult(preconditionResult);
    }
    fireCleanupNeededEvent();
    // At this point, the operation will lock the repository
    startOperation();
    // If other clients have unfinished transactions with deletions, do not proceed.
    try {
        transferManager.cleanTransactions();
    } catch (BlockingTransfersException ignored) {
        finishOperation();
        fireEndEvent();
        return new CleanupOperationResult(CleanupResultCode.NOK_REPO_BLOCKED);
    }
    // Wait two seconds (conservative cleanup, see #104)
    logger.log(Level.INFO, "Cleanup: Waiting a while to be sure that no other actions are running ...");
    Thread.sleep(BEFORE_DOUBLE_CHECK_TIME);
    // Check again. No other clients should be busy, because we waited BEFORE_DOUBLE_CHECK_TIME
    preconditionResult = checkPreconditions();
    if (preconditionResult != CleanupResultCode.OK) {
        finishOperation();
        fireEndEvent();
        return new CleanupOperationResult(preconditionResult);
    }
    // If we do cleanup, we are no longer allowed to resume a transaction
    transferManager.clearResumableTransactions();
    transferManager.clearPendingTransactions();
    // Now do the actual work!
    logger.log(Level.INFO, "Cleanup: Starting transaction.");
    remoteTransaction = new RemoteTransaction(config, transferManager);
    removeOldVersions();
    if (options.isRemoveUnreferencedTemporaryFiles()) {
        transferManager.removeUnreferencedTemporaryFiles();
    }
    mergeRemoteFiles();
    // We went succesfully through the entire operation and checked everything. Hence we update the last cleanup time.
    updateLastCleanupTime();
    finishOperation();
    fireEndEvent();
    return updateResultCode(result);
}