Examples of org.apache.lucene.store.Directory.createOutput()

org.apache.lucene.store.Directory.createOutput()
Creates a new, empty file in the directory with the given name. Returns a stream writing this file.

    File indexDir = new File(System.getProperty("tempDir"), "otherfiles");
    Directory dir = FSDirectory.open(indexDir);
    try {
      // Create my own random file:


      IndexOutput out = dir.createOutput("myrandomfile");
      out.writeByte((byte) 42);
      out.close();


      new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED).close();

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        }
        if (_isClosed.get() || _stop.get()) {
          LOG.info("Context [{0}] index closed", context);
          return null;
        }
        IndexOutput output = directory.createOutput(fileName, IOContext.DEFAULT);
        write(segmentTraces, output);
        output.close();
      }
      results.put(segmentReader.getSegmentName(), segmentTraces);
    }

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    w.close();


    String nextSegmentsFile = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                    "",
                                                                    SegmentInfos.getCurrentSegmentGeneration(dir)+1);
    IndexOutput out = dir.createOutput(nextSegmentsFile);
    for(int idx=0;idx<8;idx++) {
      out.writeByte((byte) 0);
    }
    out.close();

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  public void testOtherFiles() throws Throwable {
    Directory dir = newDirectory();
    try {
      // Create my own random file:
      IndexOutput out = dir.createOutput("myrandomfile");
      out.writeByte((byte) 42);
      out.close();


      new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();

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    final Directory d = newFSDirectory(_TestUtil.getTempDir("CFSManySubFiles"));
    final int FILE_COUNT = 10000;


    for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
      IndexOutput out = d.createOutput("file." + fileIdx);
      out.writeByte((byte) fileIdx);
      out.close();
    }
    
    final CompoundFileWriter cfw = new CompoundFileWriter(d, "c.cfs");

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    fieldInfos.add(testDoc);
    //Since the complement is stored as well in the fields map
    assertTrue(fieldInfos.size() == DocHelper.all.size()); //this is all b/c we are using the no-arg constructor
    Directory dir = newDirectory();
    String name = "testFile";
    IndexOutput output = dir.createOutput(name);
    assertTrue(output != null);
    //Use a RAMOutputStream
    
      fieldInfos.write(output);
      output.close();

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    long gen = SegmentInfos.getCurrentSegmentGeneration(dir);
    assertTrue("segment generation should be > 0 but got " + gen, gen > 0);


    final String segmentsFileName = SegmentInfos.getCurrentSegmentFileName(dir);
    IndexInput in = dir.openInput(segmentsFileName);
    IndexOutput out = dir.createOutput(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", 1+gen));
    out.copyBytes(in, in.length()-1);
    byte b = in.readByte();
    out.writeByte((byte) (1+b));
    out.close();
    in.close();

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    checkStopNodes(fst, outputs);


    // Make sure it still works after save/load:
    Directory dir = newDirectory();
    IndexOutput out = dir.createOutput("fst");
    fst.save(out);
    out.close();


    IndexInput in = dir.openInput("fst");
    final FST<Long> fst2 = new FST<Long>(in, outputs);

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          w.close();
          System.out.println("Wrote FST to out.dot");
        }


        Directory dir = FSDirectory.open(new File(dirOut));
        IndexOutput out = dir.createOutput("fst.bin");
        fst.save(out);
        out.close();


        System.out.println("Saved FST to fst.bin.");

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            store = new JEDirectory(txn, index, blocks);


            for (int i = 0; i < count; i++) {
                String name = i + ".dat";
                int length = gen.nextInt() & LENGTH_MASK;
                IndexOutput file = store.createOutput(name);


                totalLength += length;


                for (int j = 0; j < length; j++) {
                    byte b = (byte) (gen.nextInt() & 0x7F);

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