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.

        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.getCurrentSegmentGeneration(dir);
    assertTrue("segment generation should be > 1 but got " + gen, gen > 1);


    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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          }
          InputStream in = null;
          IndexOutput out = null;
          try {
            in = replicator.obtainFile(session.id, source, file.fileName);
            out = dir.createOutput(file.fileName, IOContext.DEFAULT);
            copyBytes(out, in);
            cpFiles.add(file.fileName);
            // TODO add some validation, on size / checksum
          } finally {
            IOUtils.close(in, out);

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        final int bufferSize = random().nextBoolean()
            ? _TestUtil.nextInt(random(), 0, 48)
            : _TestUtil.nextInt(random(), 0, 4096);
        final Directory d = newDirectory();
        
        IndexOutput out = d.createOutput("out.bin", newIOContext(random()));
        final float acceptableOverhead;
        if (iter == 0) {
          // have the first iteration go through exact nbits
          acceptableOverhead = 0.0f;
        } else {

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  }


  public void testEndPointer() throws IOException {
    final Directory dir = newDirectory();
    final int valueCount = RandomInts.randomIntBetween(random(), 1, 1000);
    final IndexOutput out = dir.createOutput("tests.bin", newIOContext(random()));
    for (int i = 0; i < valueCount; ++i) {
      out.writeLong(0);
    }
    out.close();
    final IndexInput in = dir.openInput("tests.bin", newIOContext(random()));

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  }


  public void testSingleValue() throws Exception {
    for (int bitsPerValue = 1; bitsPerValue <= 64; ++bitsPerValue) {
      Directory dir = newDirectory();
      IndexOutput out = dir.createOutput("out", newIOContext(random()));
      PackedInts.Writer w = PackedInts.getWriter(out, 1, bitsPerValue, PackedInts.DEFAULT);
      long value = 17L & PackedInts.maxValue(bitsPerValue);
      w.add(value);
      w.finish();
      final long end = out.getFilePointer();

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      }
      skip[i] = rarely();
    }


    final Directory dir = newDirectory();
    final IndexOutput out = dir.createOutput("out.bin", IOContext.DEFAULT);
    PackedDataOutput pout = new PackedDataOutput(out);
    long totalBits = 0;
    for (int i = 0; i < longs.length; ++i) {
      pout.writeLong(longs[i], bitsPerValues[i]);
      totalBits += bitsPerValues[i];

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          values[i] = minValue + _TestUtil.nextLong(random(), 0, (1L << bpv) - 1);
        }
      }
  
      final Directory dir = newDirectory();
      final IndexOutput out = dir.createOutput("out.bin", IOContext.DEFAULT);
      final BlockPackedWriter writer = new BlockPackedWriter(out, blockSize);
      for (int i = 0; i < valueCount; ++i) {
        assertEquals(i, writer.ord());
        writer.add(values[i]);
      }

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          values[i] = Math.max(0, values[i-1] + _TestUtil.nextInt(random(), -16, maxDelta));
        }
      }


      final Directory dir = newDirectory();
      final IndexOutput out = dir.createOutput("out.bin", IOContext.DEFAULT);
      final MonotonicBlockPackedWriter writer = new MonotonicBlockPackedWriter(out, blockSize);
      for (int i = 0; i < valueCount; ++i) {
        assertEquals(i, writer.ord());
        writer.add(values[i]);
      }

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