Example usage for org.apache.lucene.index SegmentInfos files

Introduction

In this page you can find the example usage for org.apache.lucene.index SegmentInfos files.

Prototype

public Collection<String> files(boolean includeSegmentsFile) throws IOException 

Source Link

Document

Returns all file names referenced by SegmentInfo.

Usage

From source file:org.apache.solr.handler.IndexFetcher.java

License:Apache License

private boolean hasUnusedFiles(Directory indexDir, IndexCommit commit) throws IOException {
    String segmentsFileName = commit.getSegmentsFileName();
    SegmentInfos infos = SegmentInfos.readCommit(indexDir, segmentsFileName);
    Set<String> currentFiles = new HashSet<>(infos.files(true));
    String[] allFiles = indexDir.listAll();
    for (String file : allFiles) {
        if (!file.equals(segmentsFileName) && !currentFiles.contains(file) && !file.endsWith(".lock")) {
            LOG.info("Found unused file: " + file);
            return true;
        }/*w w w  . j a  v  a  2  s.  com*/
    }
    return false;
}

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