Package org.apache.lucene.store

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

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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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    boolean success = false;
    try {
      CodecUtil.writeHeader(output, Lucene40SegmentInfoFormat.CODEC_NAME, Lucene40SegmentInfoFormat.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.writeStringStringMap(Collections.<String,String>emptyMap());
      output.writeStringSet(si.files());
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        CodecUtil.writeHeader(bloomOutput, BLOOM_CODEC_NAME, VERSION_CURRENT);
        // remember the name of the postings format we will delegate to
        bloomOutput.writeString(delegatePostingsFormat.getName());
       
        // 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);
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        // 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);
        }
        CodecUtil.writeFooter(bloomOutput);
      } finally {
        IOUtils.close(bloomOutput);
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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();
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    try {
      segnOutput = directory.createOutput(segmentsFileName, IOContext.DEFAULT);
      CodecUtil.writeHeader(segnOutput, "segments", VERSION_48);
      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);
        segnOutput.writeString(si.getCodec().getName());
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    try {
      segnOutput = directory.createOutput(segmentsFileName, IOContext.DEFAULT);
      CodecUtil.writeHeader(segnOutput, "segments", VERSION_48);
      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);
        segnOutput.writeString(si.getCodec().getName());
        segnOutput.writeLong(siPerCommit.getDelGen());
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        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);
        segnOutput.writeLong(siPerCommit.getFieldInfosGen());
        final Map<Long,Set<String>> genUpdatesFiles = siPerCommit.getUpdatesFiles();
        segnOutput.writeInt(genUpdatesFiles.size());
        for (Entry<Long,Set<String>> e : genUpdatesFiles.entrySet()) {
          segnOutput.writeLong(e.getKey());
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          throw new IllegalStateException("cannot write segment: invalid docCount segment=" + si.name + " docCount=" + si.getDocCount() + " delCount=" + delCount);
        }
        segnOutput.writeInt(delCount);
        segnOutput.writeLong(siPerCommit.getFieldInfosGen());
        final Map<Long,Set<String>> genUpdatesFiles = siPerCommit.getUpdatesFiles();
        segnOutput.writeInt(genUpdatesFiles.size());
        for (Entry<Long,Set<String>> e : genUpdatesFiles.entrySet()) {
          segnOutput.writeLong(e.getKey());
          segnOutput.writeStringSet(e.getValue());
        }
        assert si.dir == directory;
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      CodecUtil.writeHeader(output, Lucene3xSegmentInfoFormat.UPGRADED_SI_CODEC_NAME,
                                    Lucene3xSegmentInfoFormat.UPGRADED_SI_VERSION_CURRENT);
      // Write the Lucene version that created this segment, since 3.1
      output.writeString(si.getVersion());
      output.writeInt(si.getDocCount());

      output.writeStringStringMap(si.attributes());

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