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

Class org.apache.lucene.store.IndexOutput

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

org.apache.lucene.store.IndexOutput.writeInt()
Writes an int as four bytes. @see IndexInput#readInt()

        // First field in the output file is the number of fields+blooms saved
        bloomOutput.writeInt(nonSaturatedBlooms.size());
        for (Entry<FieldInfo,FuzzySet> entry : nonSaturatedBlooms) {
          FieldInfo fieldInfo = entry.getKey();
          FuzzySet bloomFilter = entry.getValue();
          bloomOutput.writeInt(fieldInfo.number);
          saveAppropriatelySizedBloomFilter(bloomOutput, bloomFilter, fieldInfo);
        }
      } finally {
        IOUtils.close(bloomOutput);
      }

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    boolean success = false;
    try {
      CodecUtil.writeHeader(output, Lucene46SegmentInfoFormat.CODEC_NAME, Lucene46SegmentInfoFormat.VERSION_CURRENT);
      // Write the Lucene version that created this segment, since 3.1
      output.writeString(si.getVersion());
      output.writeInt(si.getDocCount());


      output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
      output.writeStringStringMap(si.getDiagnostics());
      output.writeStringSet(si.files());

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    #BitVector(Directory, String, IOContext)}.  */
  public final void write(Directory d, String name, IOContext context) throws IOException {
    assert !(d instanceof CompoundFileDirectory);
    IndexOutput output = d.createOutput(name, context);
    try {
      output.writeInt(-2);
      CodecUtil.writeHeader(output, CODEC, VERSION_CURRENT);
      if (isSparse()) { 
        // sparse bit-set more efficiently saved as d-gaps.
        writeClearedDgaps(output);
      } else {

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    lastGeneration = generation;


    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN);
      try {
        genOutput.writeInt(FORMAT_LOCKLESS);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
      } finally {
        genOutput.close();
      }

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    CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
    int size = 5 + random().nextInt(128);
    for (int j = 0; j < 2; j++) {
      IndexOutput os = csw.createOutput("seg_" + j + "_foo.txt", newIOContext(random()));
      for (int i = 0; i < size; i++) {
        os.writeInt(i*j);
      }
      os.close();
      String[] listAll = newDir.listAll();
      assertEquals(1, listAll.length);
      assertEquals("d.cfs", listAll[0]);

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  public void testAppendTwice() throws IOException {
    Directory newDir = newDirectory();
    CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
    createSequenceFile(newDir, "d1", (byte) 0, 15);
    IndexOutput out = csw.createOutput("d.xyz", newIOContext(random()));
    out.writeInt(0);
    try {
      newDir.copy(csw, "d1", "d1", newIOContext(random()));
      fail("file does already exist");
    } catch (IllegalArgumentException e) {
      //

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    CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
    CompoundFileDirectory nested = new CompoundFileDirectory(newDir, "b.cfs", newIOContext(random()), true);
    IndexOutput out = nested.createOutput("b.xyz", newIOContext(random()));
    IndexOutput out1 = nested.createOutput("b_1.xyz", newIOContext(random()));
    out.writeInt(0);
    out1.writeInt(1);
    out.close();
    out1.close();
    nested.close();
    newDir.copy(csw, "b.cfs", "b.cfs", newIOContext(random()));
    newDir.copy(csw, "b.cfe", "b.cfe", newIOContext(random()));

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  public void testDoubleClose() throws IOException {
    Directory newDir = newDirectory();
    CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", newIOContext(random()), true);
    IndexOutput out = csw.createOutput("d.xyz", newIOContext(random()));
    out.writeInt(0);
    out.close();
    
    csw.close();
    // close a second time - must have no effect according to Closeable
    csw.close();

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    lastGeneration = generation;


    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN);
      try {
        genOutput.writeInt(FORMAT_LOCKLESS);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
      } finally {
        genOutput.close();
      }

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    lastGeneration = generation;


    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN);
      try {
        genOutput.writeInt(FORMAT_LOCKLESS);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
      } finally {
        genOutput.close();
      }

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