Package org.apache.lucene.store

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

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                copyFile(fe, os);
            }

            // Write the data offsets into the directory of the compound stream
            for (FileEntry fe : entries) {
                os.seek(fe.directoryOffset);
                os.writeLong(fe.dataOffset);
            }

            assert finalLength == os.length();
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      final byte[] someTextAsBytes = someText.getBytes();
      //4 points in random order where writing someText: at begin of file, at end of file, within a single chunk,
      //between 2 chunks
      final int[] pointers = {0, 635, REPEATABLE_BUFFER_SIZE, 135};
      for(int i=0; i < pointers.length; i++) {
         io.seek(pointers[i]);
         io.writeBytes(someTextAsBytes, someTextAsBytes.length);
      }
     
      io.close();
      bytesGenerator.reset();
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      assert new String(new byte[] { 66, 69 }).equals(new String(buf).trim());

      String testText = "This is some rubbish again that will span more than one chunk - one hopes.  Who knows, maybe even three or four chunks.";
      io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);
      io.seek(0);
      io.writeBytes(testText.getBytes(), 0, testText.length());
      io.close();
      // now compare.
      byte[] chunk1 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));
      byte[] chunk2 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 1, BUFFER_SIZE));
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      final byte[] someTextAsBytes = someText.getBytes();
      //4 points in random order where writing someText: at begin of file, at end of file, within a single chunk,
      //between 2 chunks
      final int[] pointers = {0, 635, REPEATABLE_BUFFER_SIZE, 135};
      for(int i=0; i < pointers.length; i++) {
         io.seek(pointers[i]);
         io.writeBytes(someTextAsBytes, someTextAsBytes.length);
      }

      io.close();
      bytesGenerator.reset();
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      assert new String(new byte[] { 66, 69 }).equals(new String(buf).trim());

      String testText = "This is some rubbish again that will span more than one chunk - one hopes.  Who knows, maybe even three or four chunks.";
      io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);
      io.seek(0);
      io.writeBytes(testText.getBytes(), 0, testText.length());
      io.close();
      // now compare.
      byte[] chunk1 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));
      byte[] chunk2 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 1, BUFFER_SIZE));
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      final byte[] someTextAsBytes = someText.getBytes();
      //4 points in random order where writing someText: at begin of file, at end of file, within a single chunk,
      //between 2 chunks
      final int[] pointers = {0, 635, REPEATABLE_BUFFER_SIZE, 135};
      for(int i=0; i < pointers.length; i++) {
         io.seek(pointers[i]);
         io.writeBytes(someTextAsBytes, someTextAsBytes.length);
      }
     
      io.close();
      bytesGenerator.reset();
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      assert new String(new byte[] { 66, 69 }).equals(new String(buf).trim());

      String testText = "This is some rubbish again that will span more than one chunk - one hopes.  Who knows, maybe even three or four chunks.";
      io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);
      io.seek(0);
      io.writeBytes(testText.getBytes(), 0, testText.length());
      io.close();
      // now compare.
      byte[] chunk1 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));
      byte[] chunk2 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 1, BUFFER_SIZE));
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                copyFile(fe, os, buffer);
            }

            // Write the data offsets into the directory of the compound stream
            for (FileEntry fe : entries) {
                os.seek(fe.directoryOffset);
                os.writeLong(fe.dataOffset);
            }

            assert finalLength == os.length();
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        indexOutput.writeInt(0);
        indexOutput.writeInt(0);
        indexOutput.writeBytes(test, 8);
        indexOutput.writeBytes(test, 5);

        indexOutput.seek(0);
        indexOutput.writeByte((byte) 8);
        if (bufferSizeInBytes > 4) {
            indexOutput.seek(2);
            indexOutput.writeBytes(new byte[]{1, 2}, 2);
        }
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        indexOutput.writeBytes(test, 5);

        indexOutput.seek(0);
        indexOutput.writeByte((byte) 8);
        if (bufferSizeInBytes > 4) {
            indexOutput.seek(2);
            indexOutput.writeBytes(new byte[]{1, 2}, 2);
        }

        indexOutput.close();
    }
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