Package org.hornetq.core.journal

Examples of org.hornetq.core.journal.SequentialFile.position()

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         sf.write(wrapBuffer(bytes2), true);
         bytesWritten = sf.position() - initialPos;

         Assert.assertEquals(calculateRecordSize(bytes2.length, sf.getAlignment()), bytesWritten);

         initialPos = sf.position();
         sf.write(wrapBuffer(bytes3), true);
         bytesWritten = sf.position() - initialPos;

         Assert.assertEquals(calculateRecordSize(bytes3.length, sf.getAlignment()), bytesWritten);
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         Assert.assertEquals(calculateRecordSize(bytes2.length, sf.getAlignment()), bytesWritten);

         initialPos = sf.position();
         sf.write(wrapBuffer(bytes3), true);
         bytesWritten = sf.position() - initialPos;

         Assert.assertEquals(calculateRecordSize(bytes3.length, sf.getAlignment()), bytesWritten);

         byte[] rbytes1 = new byte[bytes1.length];
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         ByteBuffer rb1 = factory.newBuffer(rbytes1.length);
         ByteBuffer rb2 = factory.newBuffer(rbytes2.length);
         ByteBuffer rb3 = factory.newBuffer(rbytes3.length);

         sf.position(calculateRecordSize(bytes1.length, sf.getAlignment()) + calculateRecordSize(bytes2.length,
                                                                                                 sf.getAlignment()));

         int bytesRead = sf.read(rb3);
         Assert.assertEquals(rb3.limit(), bytesRead);
         rb3.rewind();
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         Assert.assertEquals(rb3.limit(), bytesRead);
         rb3.rewind();
         rb3.get(rbytes3);
         UnitTestCase.assertEqualsByteArrays(bytes3, rbytes3);

         sf.position(rb1.limit());

         bytesRead = sf.read(rb2);
         Assert.assertEquals(rb2.limit(), bytesRead);
         rb2.get(rbytes2);
         UnitTestCase.assertEqualsByteArrays(bytes2, rbytes2);
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         bytesRead = sf.read(rb2);
         Assert.assertEquals(rb2.limit(), bytesRead);
         rb2.get(rbytes2);
         UnitTestCase.assertEqualsByteArrays(bytes2, rbytes2);

         sf.position(0);

         bytesRead = sf.read(rb1);
         Assert.assertEquals(rb1.limit(), bytesRead);
         rb1.get(rbytes1);
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      sf.fill(0, 512, (byte)0);

      String s1 = "cheesecake";
      byte[] bytes1 = s1.getBytes("UTF-8");

      long initialPos = sf.position();
      sf.write(wrapBuffer(bytes1), true);
      long bytesWritten = sf.position() - initialPos;

      Assert.assertEquals(calculateRecordSize(bytes1.length, sf.getAlignment()), bytesWritten);
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      String s1 = "cheesecake";
      byte[] bytes1 = s1.getBytes("UTF-8");

      long initialPos = sf.position();
      sf.write(wrapBuffer(bytes1), true);
      long bytesWritten = sf.position() - initialPos;

      Assert.assertEquals(calculateRecordSize(bytes1.length, sf.getAlignment()), bytesWritten);

      sf.close();
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      Page page = new Page(storeName, storageManager, fileFactory, file, pageNumber);

      // To create the file
      file.open();

      file.position(0);

      file.close();

      return page;
   }
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         sequentialFile.fill(0, fileSize, JournalImpl.FILL_CHARACTER);

         JournalImpl.initFileHeader(fileFactory, sequentialFile, userVersion, fileID);
      }

      long position = sequentialFile.position();

      sequentialFile.close();

      if (JournalFilesRepository.trace)
      {
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         }
         else
         {
            sequentialFile.open(1, false);
         }
         sequentialFile.position(position);
      }

      return new JournalFileImpl(sequentialFile, fileID, JournalImpl.FORMAT_VERSION);
   }
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