Package org.apache.jackrabbit.oak.plugins.segment

Examples of org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState

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            }
            names = temp;
        }

        for (String n : names) {
            SegmentNodeState k = (SegmentNodeState) ns.getChildNode(n);
            RecordIdKey ckey = new RecordIdKey(k.getRecordId());
            if (sizeCache.containsKey(ckey)) {
                // already been here, record size under 'link'
                Long[] ks = sizeCache.get(ckey);
                s[1] = s[1] + ks[0] + ks[1];
            } else {
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        // 2. init filestore
        FileStore restore = new FileStore(source, MAX_FILE_SIZE, false);
        SegmentWriter writer = restore.getTracker().getWriter();
        try {
            SegmentNodeState state = restore.getHead();
            restore(state.getChildNode("root"), store, writer);
        } finally {
            restore.close();
        }
    }
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        log.info("TarMK compaction running");

        SegmentWriter writer = new SegmentWriter(this, tracker);
        Compactor compactor = new Compactor(writer);

        SegmentNodeState before = getHead();
        long existing = before.getChildNode(SegmentNodeStore.CHECKPOINTS)
                .getChildNodeCount(Long.MAX_VALUE);
        if (existing > 1) {
            log.warn(
                    "TarMK compaction found {} checkpoints, you might need to run checkpoint cleanup",
                    existing);
        }

        SegmentNodeState after = compactor.compact(EMPTY_NODE, before);
        writer.flush();
        while (!setHead(before, after)) {
            // Some other concurrent changes have been made.
            // Rebase (and compact) those changes on top of the
            // compacted state before retrying to set the head.
            SegmentNodeState head = getHead();
            after = compactor.compact(before, head);
            before = head;
            writer.flush();
        }
        tracker.setCompactionMap(compactor.getCompactionMap());
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        return tracker;
    }

    @Override
    public SegmentNodeState getHead() {
        return new SegmentNodeState(head.get());
    }
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            URLConnection connection = get(null);
            InputStream stream = connection.getInputStream();
            try {
                BufferedReader reader = new BufferedReader(
                        new InputStreamReader(stream, UTF_8));
                return new SegmentNodeState(
                        RecordId.fromString(tracker, reader.readLine()));
            } finally {
                stream.close();
            }
        } catch (IllegalArgumentException e) {
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        log.debug("new head id " + head);
        long t = System.currentTimeMillis();

        try {
            store.setLoader(this);
            SegmentNodeState before = store.getHead();
            SegmentNodeBuilder builder = before.builder();

            SegmentNodeState current = new SegmentNodeState(head);
            do {
                try {
                    current.compareAgainstBaseState(before, new ApplyDiff(builder));
                    break;
                }
                catch (SegmentNotFoundException e) {
                    // the segment is locally damaged or not present anymore
                    // lets try to read this from the primary again
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        }

        // 2. init filestore
        FileStore restore = new FileStore(source, MAX_FILE_SIZE, false);
        try {
            SegmentNodeState state = restore.getHead();
            restore(state.getChildNode("root"), store);
        } finally {
            restore.close();
        }
    }
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        }

        // 2. init filestore
        FileStore backup = new FileStore(destination, MAX_FILE_SIZE, false);
        try {
            SegmentNodeState state = backup.getHead();
            SegmentNodeBuilder builder = state.builder();

            String beforeCheckpoint = state.getString("checkpoint");
            if (beforeCheckpoint == null) {
                // 3.1 no stored checkpoint, so do the initial full backup
                builder.setChildNode("root", current);
            } else {
                // 3.2 try to retrieve the previously backed up checkpoint
                NodeState before = store.retrieve(beforeCheckpoint);
                if (before == null) {
                    // the previous checkpoint is no longer available,
                    // so use the backed up state as the basis of the
                    // incremental backup diff
                    before = state.getChildNode("root");
                }
                current.compareAgainstBaseState(
                        before, new ApplyDiff(builder.child("root")));
            }
            builder.setProperty("checkpoint", checkpoint);
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            URLConnection connection = get(null);
            InputStream stream = connection.getInputStream();
            try {
                BufferedReader reader = new BufferedReader(
                        new InputStreamReader(stream, UTF_8));
                return new SegmentNodeState(
                        RecordId.fromString(tracker, reader.readLine()));
            } finally {
                stream.close();
            }
        } catch (IllegalArgumentException e) {
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        return tracker;
    }

    @Override
    public SegmentNodeState getHead() {
        return new SegmentNodeState(head.get());
    }
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Related Classes of org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState

  • org.apache.jackrabbit.oak.api.PropertyState
  • org.apache.jackrabbit.oak.explorer.NodeStoreTree
  • org.apache.jackrabbit.oak.http.segment.SegmentServlet
  • org.apache.jackrabbit.oak.plugins.backup.FileStoreBackup
  • org.apache.jackrabbit.oak.plugins.backup.FileStoreRestore
  • org.apache.jackrabbit.oak.plugins.memory.MemoryChildNodeEntry
  • org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder
  • org.apache.jackrabbit.oak.plugins.segment.file.FileStore
  • org.apache.jackrabbit.oak.plugins.segment.file.FileStoreTest
  • org.apache.jackrabbit.oak.plugins.segment.http.HttpStore
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