Examples with VersionGarbageCollector org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector used on opensource projects

Example 6 with VersionGarbageCollector

use of org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector in project jackrabbit-oak by apache.

the class DataStoreTrackerGCTest method addNodeSpecialChars.

private HashSet<String> addNodeSpecialChars(DocumentNodeStore ds) throws Exception {
    List<String> specialCharSets = Lists.newArrayList("q\\%22afdg\\%22", "a\nbcd", "a\n\rabcd", "012\\efg");
    HashSet<String> set = new HashSet<String>();
    NodeBuilder a = ds.getRoot().builder();
    int toBeDeleted = 0;
    for (int i = 0; i < specialCharSets.size(); i++) {
        Blob b = ds.createBlob(randomStream(i, 18432));
        NodeBuilder n = a.child("cspecial" + i);
        n.child(specialCharSets.get(i)).setProperty("x", b);
        Iterator<String> idIter = ((GarbageCollectableBlobStore) ds.getBlobStore()).resolveChunks(b.toString());
        List<String> ids = Lists.newArrayList(idIter);
        if (toBeDeleted != i) {
            set.addAll(ids);
        }
    }
    ds.merge(a, EmptyHook.INSTANCE, CommitInfo.EMPTY);
    // Delete one node again
    a = ds.getRoot().builder();
    a.child("cspecial" + 0).remove();
    ds.merge(a, INSTANCE, EMPTY);
    // minutes
    long maxAge = 10;
    // 1. Go past GC age and check no GC done as nothing deleted
    clock.waitUntil(clock.getTime() + MINUTES.toMillis(maxAge));
    VersionGarbageCollector vGC = ds.getVersionGarbageCollector();
    VersionGarbageCollector.VersionGCStats stats = vGC.gc(0, MILLISECONDS);
    return set;
}