Example usage for org.eclipse.jgit.lib ProgressMonitor beginTask

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib ProgressMonitor beginTask.

Prototype

void beginTask(String title, int totalWork);

Source Link

Document

Begin processing a single task.

Usage

From source file:it.com.atlassian.labs.speakeasy.util.jgit.WalkFetchConnection.java

License:Eclipse Distribution License

private void downloadObject(final ProgressMonitor pm, final AnyObjectId id) throws TransportException {
    if (alreadyHave(id))
        return;/*from w  ww  .j  a  v a2 s  .  co m*/

    for (;;) {
        // Try a pack file we know about, but don't have yet. Odds are
        // that if it has this object, it has others related to it so
        // getting the pack is a good bet.
        //
        if (downloadPackedObject(pm, id))
            return;

        // Search for a loose object over all alternates, starting
        // from the one we last successfully located an object through.
        //
        final String idStr = id.name();
        final String subdir = idStr.substring(0, 2);
        final String file = idStr.substring(2);
        final String looseName = subdir + "/" + file;

        for (int i = lastRemoteIdx; i < remotes.size(); i++) {
            if (downloadLooseObject(id, looseName, remotes.get(i))) {
                lastRemoteIdx = i;
                return;
            }
        }
        for (int i = 0; i < lastRemoteIdx; i++) {
            if (downloadLooseObject(id, looseName, remotes.get(i))) {
                lastRemoteIdx = i;
                return;
            }
        }

        // Try to obtain more pack information and search those.
        //
        while (!noPacksYet.isEmpty()) {
            final WalkRemoteObjectDatabase wrr = noPacksYet.removeFirst();
            final Collection<String> packNameList;
            try {
                pm.beginTask("Listing packs", ProgressMonitor.UNKNOWN);
                packNameList = wrr.getPackNames();
            } catch (IOException e) {
                // Try another repository.
                //
                recordError(id, e);
                continue;
            } finally {
                pm.endTask();
            }

            if (packNameList == null || packNameList.isEmpty())
                continue;
            for (final String packName : packNameList) {
                if (packsConsidered.add(packName))
                    unfetchedPacks.add(new RemotePack(wrr, packName));
            }
            if (downloadPackedObject(pm, id))
                return;
        }

        // Try to expand the first alternate we haven't expanded yet.
        //
        Collection<WalkRemoteObjectDatabase> al = expandOneAlternate(id, pm);
        if (al != null && !al.isEmpty()) {
            for (final WalkRemoteObjectDatabase alt : al) {
                remotes.add(alt);
                noPacksYet.add(alt);
                noAlternatesYet.add(alt);
            }
            continue;
        }

        // We could not obtain the object. There may be reasons why.
        //
        List<Throwable> failures = fetchErrors.get(id);
        final TransportException te;

        te = new TransportException(MessageFormat.format(JGitText.get().cannotGet, id.name()));
        if (failures != null && !failures.isEmpty()) {
            if (failures.size() == 1)
                te.initCause(failures.get(0));
            else
                te.initCause(new CompoundException(failures));
        }
        throw te;
    }
}

---

From source file:it.com.atlassian.labs.speakeasy.util.jgit.WalkFetchConnection.java

License:Eclipse Distribution License

private Collection<WalkRemoteObjectDatabase> expandOneAlternate(final AnyObjectId id,
        final ProgressMonitor pm) {
    while (!noAlternatesYet.isEmpty()) {
        final WalkRemoteObjectDatabase wrr = noAlternatesYet.removeFirst();
        try {//from  w  w  w  . j a  v a 2 s. com
            pm.beginTask(JGitText.get().listingAlternates, ProgressMonitor.UNKNOWN);
            Collection<WalkRemoteObjectDatabase> altList = wrr.getAlternates();
            if (altList != null && !altList.isEmpty())
                return altList;
        } catch (IOException e) {
            // Try another repository.
            //
            recordError(id, e);
        } finally {
            pm.endTask();
        }
    }
    return null;
}

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