Examples with DefaultSegmentWriter org.apache.jackrabbit.oak.segment.DefaultSegmentWriter used on opensource projects

Example 1 with DefaultSegmentWriter

use of org.apache.jackrabbit.oak.segment.DefaultSegmentWriter in project jackrabbit-oak by apache.

the class FileStoreBackupImpl method backup.

@Override
public void backup(@Nonnull SegmentReader reader, @Nonnull Revisions revisions, @Nonnull File destination) throws IOException, InvalidFileStoreVersionException {
    Stopwatch watch = Stopwatch.createStarted();
    SegmentGCOptions gcOptions = SegmentGCOptions.defaultGCOptions().setOffline();
    FileStoreBuilder builder = fileStoreBuilder(destination).withStrictVersionCheck(true).withDefaultMemoryMapping();
    if (USE_FAKE_BLOBSTORE) {
        builder.withBlobStore(new BasicReadOnlyBlobStore());
    }
    builder.withGCOptions(gcOptions);
    FileStore backup = builder.build();
    SegmentNodeState current = reader.readHeadState(revisions);
    try {
        GCGeneration gen = current.getRecordId().getSegmentId().getGcGeneration();
        SegmentBufferWriter bufferWriter = new SegmentBufferWriter(backup.getSegmentIdProvider(), backup.getReader(), "b", gen);
        SegmentWriter writer = new DefaultSegmentWriter(backup, backup.getReader(), backup.getSegmentIdProvider(), backup.getBlobStore(), new WriterCacheManager.Default(), bufferWriter);
        Compactor compactor = new Compactor(backup.getReader(), writer, backup.getBlobStore(), Suppliers.ofInstance(false), GCNodeWriteMonitor.EMPTY);
        SegmentNodeState head = backup.getHead();
        SegmentNodeState after = compactor.compact(head, current, head);
        writer.flush();
        if (after != null) {
            backup.getRevisions().setHead(head.getRecordId(), after.getRecordId());
        }
    } finally {
        backup.close();
    }
    backup = fileStoreBuilder(destination).withDefaultMemoryMapping().withGCOptions(gcOptions).withStrictVersionCheck(true).build();
    try {
        cleanup(backup);
    } finally {
        backup.close();
    }
    watch.stop();
    log.info("Backup finished in {}.", watch);
}

Example 2 with DefaultSegmentWriter

use of org.apache.jackrabbit.oak.segment.DefaultSegmentWriter in project jackrabbit-oak by apache.

the class FileStoreRestoreImpl method restore.

@Override
public void restore(File source, File destination) throws IOException, InvalidFileStoreVersionException {
    if (!validFileStore(source)) {
        throw new IOException("Folder " + source + " is not a valid FileStore directory");
    }
    ReadOnlyFileStore restore = fileStoreBuilder(source).buildReadOnly();
    Stopwatch watch = Stopwatch.createStarted();
    FileStore store = fileStoreBuilder(destination).withStrictVersionCheck(true).build();
    SegmentNodeState current = store.getHead();
    try {
        SegmentNodeState head = restore.getHead();
        GCGeneration gen = head.getRecordId().getSegmentId().getGcGeneration();
        SegmentBufferWriter bufferWriter = new SegmentBufferWriter(store.getSegmentIdProvider(), store.getReader(), "r", gen);
        SegmentWriter writer = new DefaultSegmentWriter(store, store.getReader(), store.getSegmentIdProvider(), store.getBlobStore(), new WriterCacheManager.Default(), bufferWriter);
        SegmentGCOptions gcOptions = defaultGCOptions().setOffline();
        Compactor compactor = new Compactor(store.getReader(), writer, store.getBlobStore(), Suppliers.ofInstance(false), GCNodeWriteMonitor.EMPTY);
        SegmentNodeState after = compactor.compact(current, head, current);
        writer.flush();
        store.getRevisions().setHead(current.getRecordId(), after.getRecordId());
    } finally {
        restore.close();
        store.close();
    }
    watch.stop();
    log.info("Restore finished in {}.", watch);
}