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

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

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        rw.putInt(journals.size());
        for (Map.Entry<String, Journal> entry : journals.entrySet()) {
            byte[] name = entry.getKey().getBytes(UTF_8);
            rw.putInt(name.length);
            rw.put(name);
            RecordId head = entry.getValue().getHead();
            rw.putLong(head.getSegmentId().getMostSignificantBits());
            rw.putLong(head.getSegmentId().getLeastSignificantBits());
            rw.putInt(head.getOffset());
        }

        int n = rw.position() % SEGMENT_SIZE;
        if (n > 0) {
            rw.put(PADDING_BYTES, 0, SEGMENT_SIZE - n);
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        DBObject id = new BasicDBObject("_id", "root");
        state = journals.findOne(id, null, primaryPreferred());
        if (state == null) {
            SegmentWriter writer = new SegmentWriter(store);
            RecordId headId = writer.writeNode(head).getRecordId();
            writer.flush();
            state = new BasicDBObject(of(
                    "_id",  "root",
                    "head", headId.toString()));
            try {
                journals.insert(state, concern);
            } catch (MongoException.DuplicateKey e) {
                // Someone else managed to concurrently create the journal,
                // so let's just re-read it from the database
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        DBObject id = new BasicDBObject("_id", name);
        DBObject state = journals.findOne(id, null, primaryPreferred());
        checkState(state != null);

        if (state.containsField("parent")) {
            RecordId base = RecordId.fromString(state.get("base").toString());
            RecordId head = RecordId.fromString(state.get("head").toString());

            NodeState before = new SegmentNodeState(store, base);
            NodeState after = new SegmentNodeState(store, head);

            Journal parent = store.getJournal(state.get("parent").toString());
            SegmentWriter writer = new SegmentWriter(store);
            while (!parent.setHead(base, head)) {
                RecordId newBase = parent.getHead();
                NodeBuilder builder =
                        new SegmentNodeState(store, newBase).builder();
                after.compareAgainstBaseState(before, new MergeDiff(builder));
                RecordId newHead =
                        writer.writeNode(builder.getNodeState()).getRecordId();
                writer.flush();

                base = newBase;
                head = newHead;
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    public MemoryJournal(SegmentStore store, NodeState head) {
        this.store = checkNotNull(store);
        this.parent = null;

        SegmentWriter writer = new SegmentWriter(store);
        RecordId id = writer.writeNode(head).getRecordId();
        writer.flush();

        this.base = id;
        this.head = id;
    }
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            NodeState before = new SegmentNodeState(store, base);
            NodeState after = new SegmentNodeState(store, head);

            SegmentWriter writer = new SegmentWriter(store);
            while (!parent.setHead(base, head)) {
                RecordId newBase = parent.getHead();
                NodeBuilder builder =
                        new SegmentNodeState(store, newBase).builder();
                after.compareAgainstBaseState(before, new MergeDiff(builder));
                NodeState state = builder.getNodeState();
                RecordId newHead = writer.writeNode(state).getRecordId();
                writer.flush();

                base = newBase;
                head = newHead;
            }
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Related Classes of org.apache.jackrabbit.oak.plugins.segment.RecordId

  • org.apache.jackrabbit.oak.explorer.NodeStoreTree
  • org.apache.jackrabbit.oak.http.segment.SegmentServlet
  • org.apache.jackrabbit.oak.plugins.segment.file.FileStore
  • org.apache.jackrabbit.oak.plugins.segment.file.FileStoreTest
  • org.apache.jackrabbit.oak.plugins.segment.memory.MemoryJournal
  • org.apache.jackrabbit.oak.plugins.segment.mongo.MongoJournal
  • org.apache.jackrabbit.oak.plugins.segment.standby.server.StandbyServerHandler
  • org.apache.jackrabbit.oak.run.Main
  • java.util.regex.Matcher
  • java.util.UUID
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