Examples of org.apache.lucene.store.IndexInput.readBytes()

Class org.apache.lucene.store.IndexInput

Examples of org.apache.lucene.store.IndexInput.readBytes()

org.apache.lucene.store.IndexInput.readBytes()
Reads a specified number of bytes into an array at the specified offset. @param b the array to read bytes into @param offset the offset in the array to start storing bytes @param len the number of bytes to read @see IndexOutput#writeBytes(byte[],int)

            expectedBytes = new byte[(int) toRead];
         }
         int nextBytesToRead = (int) Math.min(toRead, arrayLengthToRead);


         bytesGenerator.nextBytes(expectedBytes);
         indexInput.readBytes(readBytes, 0, nextBytesToRead);


         assert Arrays.equals(expectedBytes, readBytes);


         toRead = toRead - nextBytesToRead;

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      long toRead = ii.length();
      while (toRead > 0) {
         buf = new byte[19]; // suitably arbitrary
         int bytesRead = (int) Math.min(toRead, 19);
         ii.readBytes(buf, 0, bytesRead);
         toRead = toRead - bytesRead;
         baos.write(buf, 0, bytesRead);
      }


      assert new String(baos.toByteArray()).equals(helloText);

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      toRead = ii.length();
      while (toRead > 0) {
         buf = new byte[19]; // suitably arbitrary
         int bytesRead = (int) Math.min(toRead, 19);
         ii.readBytes(buf, 0, bytesRead);
         toRead = toRead - bytesRead;
         baos.write(buf, 0, bytesRead);
      }


      assert new String(baos.toByteArray()).equals(worldText);

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      toRead = ii.length();
      while (toRead > 0) {
         buf = new byte[19]; // suitably arbitrary
         int bytesRead = (int) Math.min(toRead, 19);
         ii.readBytes(buf, 0, bytesRead);
         toRead = toRead - bytesRead;
         baos.write(buf, 0, bytesRead);
      }


      assert new String(baos.toByteArray()).equals(worldText);

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      assert null != cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));


      // test contents by reading:
      byte[] buf = new byte[9];
      IndexInput ii = dir.openInput("MyNewFile.txt", IOContext.DEFAULT);
      ii.readBytes(buf, 0, (int) ii.length());
      ii.close();


      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.";

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      assert ii.readByte() == 1;
      assert ii.readByte() == 2;
      assert ii.readByte() == 3;
      byte[] buf = new byte[testTextAsBytes.length];


      ii.readBytes(buf, 0, testTextAsBytes.length);
      ii.close();


      assert testText.equals(new String(buf).trim());


      dir.close();

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      }
      AssertJUnit.assertEquals(writeSize, indexOutput.length());
      byte[] results = new byte[readSize];
      IndexInput openInput = dir.openInput(filename, IOContext.DEFAULT);
      try {
         openInput.readBytes(results, 0, readSize);
         for (int i = 0; i < writeSize && i < readSize; i++) {
            AssertJUnit.assertEquals(results[i], toWrite[i]);
         }
         if (readSize > writeSize)
            AssertJUnit.fail("should have thrown an IOException for reading past EOF");

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      indexOutput.close();
      IndexInput input = dir.openInput(filename, IOContext.DEFAULT);
      final int finalSize = (10 * bufferSize);
      AssertJUnit.assertEquals(finalSize, input.length());
      final byte[] resultingBuffer = new byte[finalSize];
      input.readBytes(resultingBuffer, 0, finalSize);
      int index = 0;
      for (int i = 0; i < 10; i++) {
         for (int j = 0; j < bufferSize; j++)
            AssertJUnit.assertEquals(resultingBuffer[index++], manyBytes[j]);
      }

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            {
               long remaining = in.length();
               while (remaining > 0)
               {
                  int num = (int)Math.min(remaining, buffer.length);
                  in.readBytes(buffer, 0, num);
                  out.writeBytes(buffer, num);
                  remaining -= num;
               }
            }
            finally

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         if (seekTo != 0) {
            input.seek(seekTo);
         }
         bufferSize = (int) Math.min(length - seekTo, (long)bufferSize);
         buffer = new byte[bufferSize];
         input.readBytes(buffer, 0, bufferSize);
      }
      finally {
         input.close();
      }
      return buffer;

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