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.

      Directory dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEXNAME).create();


      final String testText = "This is some rubbish";
      final byte[] testTextAsBytes = testText.getBytes();


      IndexOutput io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);


      io.writeByte((byte) 1);
      io.writeByte((byte) 2);
      io.writeByte((byte) 3);
      io.writeBytes(testTextAsBytes, testTextAsBytes.length);

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      final int bufferSize = 300;
      Cache cache = cacheManager.getCache();
      cache.clear();
      Directory dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEXNAME).chunkSize(13).create();
      byte[] manyBytes = fillBytes(bufferSize);
      IndexOutput indexOutput = dir.createOutput(filename, IOContext.DEFAULT);
      for (int i = 0; i < 10; i++) {
         indexOutput.writeBytes(manyBytes, bufferSize);
         indexOutput.flush();
      }
      indexOutput.close();

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      for (int i = 0; i < files.length; i++)
      {
         IndexInput in = dir.openInput(files[i]);
         try
         {
            IndexOutput out = dest.createOutput(files[i]);
            try
            {
               long remaining = in.length();
               while (remaining > 0)
               {

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        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
        in.close();

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        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
        in.close();

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


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

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      String fileNameIn = SegmentInfos.getLastCommitSegmentsFileName(dir);
      String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                 "",
                                                                 1+gen);
      IndexInput in = dir.openInput(fileNameIn, newIOContext(random()));
      IndexOutput out = dir.createOutput(fileNameOut, newIOContext(random()));
      long length = in.length();
      for(int i=0;i<length-1;i++) {
        out.writeByte(in.readByte());
      }
      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", IOContext.DEFAULT);
    fst.save(out);
    out.close();


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

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      if (random().nextBoolean()) {
        if (VERBOSE) {
          System.out.println("TEST: save/load final bytes");
        }
        Directory dir = newDirectory();
        IndexOutput out = dir.createOutput("bytes", IOContext.DEFAULT);
        bytes.writeTo(out);
        out.close();
        IndexInput in = dir.openInput("bytes", IOContext.DEFAULT);
        bytesToVerify = new BytesStore(in, numBytes, _TestUtil.nextInt(random(), 256, Integer.MAX_VALUE));
        in.close();

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    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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