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

Class org.apache.lucene.store.IndexOutput

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

org.apache.lucene.store.IndexOutput.writeString()
Writes a string. @see IndexInput#readString()


   @Test
   public void testIndexWritingAndFinding() throws IOException, InterruptedException {
      verifyBoth(cache0,cache1);
      IndexOutput indexOutput = dirA.createOutput(filename);
      indexOutput.writeString("no need to write, nobody ever will read this");
      indexOutput.flush();
      indexOutput.close();
      assertFileExistsHavingRLCount(filename, 1, true);
      IndexInput openInput = dirB.openInput(filename);
      assertFileExistsHavingRLCount(filename, 2, true);

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            Iterator it = entries.iterator();
            while(it.hasNext()) {
                FileEntry fe = (FileEntry) it.next();
                fe.directoryOffset = os.getFilePointer();
                os.writeLong(0);    // for now
                os.writeString(fe.file);
            }


            // Open the files and copy their data into the stream.
            // Remember the locations of each file's data section.
            byte buffer[] = new byte[1024];

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      output.writeLong(++version); // every write changes the index
      output.writeInt(counter); // write counter
      output.writeInt(size()); // write infos
      for (int i = 0; i < size(); i++) {
        SegmentInfo si = info(i);
        output.writeString(si.name);
        output.writeInt(si.docCount);
      }         
    }
    finally {
      output.close();

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  private final void writeDeleteableFiles(Vector files) throws IOException {
    IndexOutput output = directory.createOutput("deleteable.new");
    try {
      output.writeInt(files.size());
      for (int i = 0; i < files.size(); i++)
        output.writeString((String)files.elementAt(i));
    } finally {
      output.close();
    }
    directory.renameFile("deleteable.new", IndexFileNames.DELETABLE);
  }

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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());

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      IndexOutput bloomOutput = null;
      try {
        bloomOutput = state.directory.createOutput(bloomFileName, state.context);
        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();

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      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());
        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);

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      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());
        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);
        }

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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));

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            bits |= Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS;
          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS) {
            bits |= Lucene46FieldInfosFormat.OMIT_POSITIONS;
          }
        }
        output.writeString(fi.name);
        output.writeVInt(fi.number);
        output.writeByte(bits);


        // pack the DV types in one byte
        final byte dv = docValuesByte(fi.getDocValuesType());

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