Example usage for org.apache.lucene.index SegmentInfo YES

Introduction

In this page you can find the example usage for org.apache.lucene.index SegmentInfo YES.

Prototype

int YES

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Document

Used by some member fields to mean present (e.g., norms, deletions).

Usage

From source file:org.apache.blur.lucene.codec.Blur022SegmentInfoReader.java

License:Apache License

@Override
public SegmentInfo read(Directory dir, String segment, IOContext context) throws IOException {
    final String fileName = IndexFileNames.segmentFileName(segment, "", Blur022SegmentInfoFormat.SI_EXTENSION);
    final IndexInput input = dir.openInput(fileName, context);
    boolean success = false;
    try {/*  w ww  .  j  a  va 2s  .  c o m*/
        CodecUtil.checkHeader(input, Blur022SegmentInfoFormat.CODEC_NAME,
                Blur022SegmentInfoFormat.VERSION_START, Blur022SegmentInfoFormat.VERSION_CURRENT);
        final String version = input.readString();
        final int docCount = input.readInt();
        if (docCount < 0) {
            throw new CorruptIndexException("invalid docCount: " + docCount + " (resource=" + input + ")");
        }
        final boolean isCompoundFile = input.readByte() == SegmentInfo.YES;
        final Map<String, String> diagnostics = input.readStringStringMap();
        final Map<String, String> attributes = input.readStringStringMap();
        final Set<String> files = input.readStringSet();

        if (input.getFilePointer() != input.length()) {
            throw new CorruptIndexException("did not read all bytes from file \"" + fileName + "\": read "
                    + input.getFilePointer() + " vs size " + input.length() + " (resource: " + input + ")");
        }

        final SegmentInfo si = new SegmentInfo(dir, version, segment, docCount, isCompoundFile, null,
                diagnostics, Collections.unmodifiableMap(attributes));
        si.setFiles(files);

        success = true;

        return si;

    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(input);
        } else {
            input.close();
        }
    }
}

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From source file:org.apache.blur.lucene.codec.Blur022SegmentInfoWriter.java

License:Apache License

@Override
public void write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext) throws IOException {
    final String fileName = IndexFileNames.segmentFileName(si.name, "", Blur022SegmentInfoFormat.SI_EXTENSION);
    si.addFile(fileName);/*from  ww w. j  a  v  a  2 s  .co m*/

    final IndexOutput output = dir.createOutput(fileName, ioContext);

    boolean success = false;
    try {
        CodecUtil.writeHeader(output, Blur022SegmentInfoFormat.CODEC_NAME,
                Blur022SegmentInfoFormat.VERSION_CURRENT);
        output.writeString(si.getVersion());
        output.writeInt(si.getDocCount());

        output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
        output.writeStringStringMap(si.getDiagnostics());
        Map<String, String> attributes = si.attributes();
        TreeMap<String, String> newAttributes = new TreeMap<String, String>();
        if (attributes != null) {
            newAttributes.putAll(attributes);
        }
        newAttributes.put(Blur022StoredFieldsFormat.STORED_FIELDS_FORMAT_CHUNK_SIZE,
                Integer.toString(_compressionChunkSize));
        newAttributes.put(Blur022StoredFieldsFormat.STORED_FIELDS_FORMAT_COMPRESSION_MODE, _compressionMode);
        output.writeStringStringMap(newAttributes);
        output.writeStringSet(si.files());

        success = true;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(output);
            si.dir.deleteFile(fileName);
        } else {
            output.close();
        }
    }
}

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