Examples of org.apache.lucene.store.IndexOutput.writeLong()

Class org.apache.lucene.store.IndexOutput

Examples of org.apache.lucene.store.IndexOutput.writeLong()

org.apache.lucene.store.IndexOutput.writeLong()
Writes a long as eight bytes. @see IndexInput#readLong()

            // Write the data offsets into the directory of the compound stream
            it = entries.iterator();
            while(it.hasNext()) {
                FileEntry fe = (FileEntry) it.next();
                os.seek(fe.directoryOffset);
                os.writeLong(fe.dataOffset);
            }


            // Close the output stream. Set the os to null before trying to
            // close so that if an exception occurs during the close, the
            // finally clause below will not attempt to close the stream

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        final byte dv = docValuesByte(fi.getDocValuesType());
        final byte nrm = docValuesByte(fi.getNormType());
        assert (dv & (~0xF)) == 0 && (nrm & (~0x0F)) == 0;
        byte val = (byte) (0xff & ((nrm << 4) | dv));
        output.writeByte(val);
        output.writeLong(fi.getDocValuesGen());
        output.writeStringStringMap(fi.attributes());
      }
      CodecUtil.writeFooter(output);
      success = true;
    } finally {

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    }


    final String seedFileName = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, SEED_EXT);
    final IndexOutput out = state.directory.createOutput(seedFileName, state.context);
    try {
      out.writeLong(seed);
    } finally {
      out.close();
    }


    final Random random = new Random(seed);

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  public static void writeSegmentsGen(Directory dir, long generation) {
    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN, IOContext.READONCE);
      try {
        genOutput.writeInt(FORMAT_SEGMENTS_GEN_CURRENT);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
        CodecUtil.writeFooter(genOutput);
      } finally {
        genOutput.close();
        dir.sync(Collections.singleton(IndexFileNames.SEGMENTS_GEN));

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    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN, IOContext.READONCE);
      try {
        genOutput.writeInt(FORMAT_SEGMENTS_GEN_CURRENT);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
        CodecUtil.writeFooter(genOutput);
      } finally {
        genOutput.close();
        dir.sync(Collections.singleton(IndexFileNames.SEGMENTS_GEN));
      }

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    final Set<String> upgradedSIFiles = new HashSet<>();


    try {
      segnOutput = directory.createOutput(segmentsFileName, IOContext.DEFAULT);
      CodecUtil.writeHeader(segnOutput, "segments", VERSION_49);
      segnOutput.writeLong(version); 
      segnOutput.writeInt(counter); // write counter
      segnOutput.writeInt(size()); // write infos
      for (SegmentCommitInfo siPerCommit : this) {
        SegmentInfo si = siPerCommit.info;
        segnOutput.writeString(si.name);

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      segnOutput.writeInt(size()); // write infos
      for (SegmentCommitInfo siPerCommit : this) {
        SegmentInfo si = siPerCommit.info;
        segnOutput.writeString(si.name);
        segnOutput.writeString(si.getCodec().getName());
        segnOutput.writeLong(siPerCommit.getDelGen());
        int delCount = siPerCommit.getDelCount();
        if (delCount < 0 || delCount > si.getDocCount()) {
          throw new IllegalStateException("cannot write segment: invalid docCount segment=" + si.name + " docCount=" + si.getDocCount() + " delCount=" + delCount);
        }
        segnOutput.writeInt(delCount);

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        int delCount = siPerCommit.getDelCount();
        if (delCount < 0 || delCount > si.getDocCount()) {
          throw new IllegalStateException("cannot write segment: invalid docCount segment=" + si.name + " docCount=" + si.getDocCount() + " delCount=" + delCount);
        }
        segnOutput.writeInt(delCount);
        segnOutput.writeLong(siPerCommit.getFieldInfosGen());
        segnOutput.writeLong(siPerCommit.getDocValuesGen());
        segnOutput.writeStringSet(siPerCommit.getFieldInfosFiles());
        final Map<Integer,Set<String>> dvUpdatesFiles = siPerCommit.getDocValuesUpdatesFiles();
        segnOutput.writeInt(dvUpdatesFiles.size());
        for (Entry<Integer,Set<String>> e : dvUpdatesFiles.entrySet()) {

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        if (delCount < 0 || delCount > si.getDocCount()) {
          throw new IllegalStateException("cannot write segment: invalid docCount segment=" + si.name + " docCount=" + si.getDocCount() + " delCount=" + delCount);
        }
        segnOutput.writeInt(delCount);
        segnOutput.writeLong(siPerCommit.getFieldInfosGen());
        segnOutput.writeLong(siPerCommit.getDocValuesGen());
        segnOutput.writeStringSet(siPerCommit.getFieldInfosFiles());
        final Map<Integer,Set<String>> dvUpdatesFiles = siPerCommit.getDocValuesUpdatesFiles();
        segnOutput.writeInt(dvUpdatesFiles.size());
        for (Entry<Integer,Set<String>> e : dvUpdatesFiles.entrySet()) {
          segnOutput.writeInt(e.getKey());

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  public void testEndPointer() throws IOException {
    final Directory dir = newDirectory();
    final int valueCount = RandomInts.randomIntBetween(random(), 1, 1000);
    final IndexOutput out = dir.createOutput("tests.bin", newIOContext(random()));
    for (int i = 0; i < valueCount; ++i) {
      out.writeLong(0);
    }
    out.close();
    final IndexInput in = dir.openInput("tests.bin", newIOContext(random()));
    for (int version = PackedInts.VERSION_START; version <= PackedInts.VERSION_CURRENT; ++version) {
      for (int bpv = 1; bpv <= 64; ++bpv) {

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