Examples of org.apache.lucene.util.Version.onOrAfter()

org.apache.lucene.util.Version.onOrAfter()


  private static Version parseConfiguredVersion(final String configuredVersion, final String pluginClassName, final Version luceneMatchVersion) {
    final Version version = (configuredVersion != null) ?
      Config.parseLuceneVersionString(configuredVersion) : luceneMatchVersion;


    if (!version.onOrAfter(Version.LUCENE_40)) {
      logger.warn(pluginClassName + " is using deprecated " + version +
        " emulation. You should at some point declare and reindex to at least 4.0, because " +
        "3.x emulation is deprecated and will be removed in 5.0");
    }

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    try {
      ver = Version.parseLeniently(state.segmentInfo.getVersion());
    } catch (IllegalArgumentException e) {
      ver = null;
    }
    lenientFieldInfoCheck = ver == null || !ver.onOrAfter(Version.LUCENE_4_9);
    String metaName = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, metaExtension);
    // read in the entries from the metadata file.
    ChecksumIndexInput in = state.directory.openChecksumInput(metaName, state.context);
    this.maxDoc = state.segmentInfo.getDocCount();
    boolean success = false;

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    } catch (IllegalArgumentException e) {
      // happened in TestBackwardsCompatibility on a 4.0.0.2 index (no matching
      // Version constant), anyway it's a pre-4.9 index.
      ver = null;
    }
    if (ver != null && ver.onOrAfter(Version.LUCENE_4_9)) {
      DocValuesProducer baseProducer = null;
      for (FieldInfo fi : fieldInfos) {
        if (!fi.hasDocValues()) continue;
        long docValuesGen = fi.getDocValuesGen();
        if (docValuesGen == -1) {

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            try {
                final SegmentInfos segmentCommitInfos = Store.readSegmentsInfo(commit, directory);
                Version maxVersion = Version.LUCENE_4_0; // we don't know which version was used to write so we take the max version.
                for (SegmentCommitInfo info : segmentCommitInfos) {
                    final Version version = info.info.getVersion();
                    if (version != null && version.onOrAfter(maxVersion)) {
                        maxVersion = version;
                    }
                    for (String file : info.files()) {
                        String legacyChecksum = checksumMap.get(file);
                        if (version.onOrAfter(Version.LUCENE_4_8) && legacyChecksum == null) {

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                    if (version != null && version.onOrAfter(maxVersion)) {
                        maxVersion = version;
                    }
                    for (String file : info.files()) {
                        String legacyChecksum = checksumMap.get(file);
                        if (version.onOrAfter(Version.LUCENE_4_8) && legacyChecksum == null) {
                            checksumFromLuceneFile(directory, file, builder, logger, version, SEGMENT_INFO_EXTENSION.equals(IndexFileNames.getExtension(file)));
                        } else {
                            builder.put(file, new StoreFileMetaData(file, directory.fileLength(file), legacyChecksum, null));
                        }
                    }

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    @SuppressWarnings("deprecation")
    @Override
    public TokenStream create(TokenStream tokenStream) {
        final Version version = this.version == Version.LUCENE_4_3 ? Version.LUCENE_4_4 : this.version; // we supported it since 4.3
        if (version.onOrAfter(Version.LUCENE_4_3)) {
            return new NGramTokenFilter(tokenStream, minGram, maxGram);
        } else {
            return new Lucene43NGramTokenFilter(tokenStream, minGram, maxGram);
        }
    }

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