Example usage for org.apache.lucene.index SegmentCommitInfo getFieldInfosGen

Introduction

In this page you can find the example usage for org.apache.lucene.index SegmentCommitInfo getFieldInfosGen.

Prototype

public long getFieldInfosGen() 

Source Link

Document

Returns the generation number of the field infos file or -1 if there are no field updates yet.

Usage

From source file:org.apache.sling.oakui.OakUIWebConsole.java

License:Apache License

private void analyseIndex(@Nonnull HttpServletRequest request, @Nonnull HttpServletResponse response,
        @Nonnull String index) throws JSONException, IOException {
    // load the commit info and get all the files.
    // Need a directory implementation that works off the location, OakDirectory isn't exported, so will have to re-create.
    NodeStore ns = getNodeStore();//from  w w w  . j  av  a  2  s.c  om
    NodeState oakIndex = ns.getRoot().getChildNode("oak:index");
    NodeStoreDirectory nsDirectory = new NodeStoreDirectory(oakIndex, index);
    JSONObject out = new JSONObject();

    int sequence = 0;
    for (String file : getSegments(nsDirectory.listAll())) {
        if (file.startsWith("segments")) {
            JSONObject segmentDetail = new JSONObject();
            //FSDirectory fsDirectory = new SimpleFSDirectory(new File("/Users/ieb/Adobe/CQ/6.2/crx-quickstart/repository/index/lucene-1476792800724/data"));
            SegmentInfos segmentCommitInfos = new SegmentInfos();
            try {
                if ("segments.gen".equals(file)) {
                    // segments.gen is actually a pre v3 segments file, to get the current commit open without specifying the segments file.
                    segmentCommitInfos.read(nsDirectory);
                } else {
                    segmentCommitInfos.read(nsDirectory, file);
                }
                Iterator<SegmentCommitInfo> sci = segmentCommitInfos.iterator();
                JSONArray commits = new JSONArray();
                while (sci.hasNext()) {
                    SegmentCommitInfo sc = sci.next();
                    JSONObject commitInfo = new JSONObject();
                    JSONArray files = new JSONArray();
                    for (String f : sc.files()) {
                        files.put(f);
                    }
                    commitInfo.put("files", files);
                    commitInfo.put("delcount", sc.getDelCount());
                    commitInfo.put("delgen", sc.getDelGen());
                    commitInfo.put("hasDeletions", sc.hasDeletions());
                    commitInfo.put("hasFieldUpdates", sc.hasFieldUpdates());
                    commitInfo.put("sizeInBytes", sc.sizeInBytes());
                    commitInfo.put("fieldInfosGen", sc.getFieldInfosGen());
                    commitInfo.put("nextDelGen", sc.getNextDelGen());
                    commitInfo.put("version", sc.info.getVersion());
                    commitInfo.put("diagnostics", sc.info.getDiagnostics());
                    commitInfo.put("doccount", sc.info.getDocCount());
                    commitInfo.put("name", sc.info.name);
                    commitInfo.put("useCompoundFile", sc.info.getUseCompoundFile());

                    commits.put(commitInfo);
                }
                segmentDetail.put("commits", commits);
                segmentDetail.put("segment_sequence", sequence);
                segmentDetail.put("segment_name", file);
            } catch (CorruptIndexException e) {
                LOGGER.info(e.getMessage(), e);
                segmentDetail.put("corruption", e.getMessage());
            }
            out.put(file, segmentDetail);
            sequence++;
        }
    }
    response.setContentType("application/json; charset=utf-8");
    response.getWriter().println(out.toString(4));
}

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