Package org.hornetq.core.paging.impl

Examples of org.hornetq.core.paging.impl.PageImpl

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   protected void testAdd(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();
      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read();

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage(null).getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage(null)
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete();

      Assert.assertEquals(0, factory.listFiles(".page").size());

   }
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   protected void testDamagedPage(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();

      long positionA = file.position();

      // Add one record that will be damaged
      addPageElements(simpleDestination, impl, 1);

      long positionB = file.position();

      // Add more 10 as they will need to be ignored
      addPageElements(simpleDestination, impl, 10);

      // Damage data... position the file on the middle between points A and B
      file.position(positionA + (positionB - positionA) / 2);

      ByteBuffer buffer = ByteBuffer.allocate((int)(positionB - file.position()));

      for (int i = 0; i < buffer.capacity(); i++)
      {
         buffer.put((byte)'Z');
      }

      buffer.rewind();

      file.writeDirect(buffer, true);

      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read();

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage(null).getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage(null)
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete();

      Assert.assertEquals(0, factory.listFiles("page").size());

      Assert.assertEquals(1, factory.listFiles("invalidPage").size());
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   protected void testAdd(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();
      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read(new NullStorageManager());

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete(null);

      Assert.assertEquals(0, factory.listFiles(".page").size());

   }
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   protected void testDamagedPage(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();

      long positionA = file.position();

      // Add one record that will be damaged
      addPageElements(simpleDestination, impl, 1);

      long positionB = file.position();

      // Add more 10 as they will need to be ignored
      addPageElements(simpleDestination, impl, 10);

      // Damage data... position the file on the middle between points A and B
      file.position(positionA + (positionB - positionA) / 2);

      ByteBuffer buffer = ByteBuffer.allocate((int)(positionB - file.position()));

      for (int i = 0; i < buffer.capacity(); i++)
      {
         buffer.put((byte)'Z');
      }

      buffer.rewind();

      file.writeDirect(buffer, true);

      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read(new NullStorageManager());

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete(null);

      Assert.assertEquals(0, factory.listFiles("page").size());

      Assert.assertEquals(1, factory.listFiles("invalidPage").size());
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   protected void testAdd(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();
      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read();

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete();

      Assert.assertEquals(0, factory.listFiles(".page").size());

   }
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   protected void testDamagedPage(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();

      long positionA = file.position();

      // Add one record that will be damaged
      addPageElements(simpleDestination, impl, 1);

      long positionB = file.position();

      // Add more 10 as they will need to be ignored
      addPageElements(simpleDestination, impl, 10);

      // Damage data... position the file on the middle between points A and B
      file.position(positionA + (positionB - positionA) / 2);

      ByteBuffer buffer = ByteBuffer.allocate((int)(positionB - file.position()));

      for (int i = 0; i < buffer.capacity(); i++)
      {
         buffer.put((byte)'Z');
      }

      buffer.rewind();

      file.writeDirect(buffer, true);

      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read();

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete();

      Assert.assertEquals(0, factory.listFiles("page").size());

      Assert.assertEquals(1, factory.listFiles("invalidPage").size());
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   protected void testAdd(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();
      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read(new NullStorageManager());

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete(null);

      Assert.assertEquals(0, factory.listFiles(".page").size());

   }
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   protected void testDamagedPage(final SequentialFileFactory factory, final int numberOfElements) throws Exception
   {

      SequentialFile file = factory.createSequentialFile("00010.page", 1);

      PageImpl impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      Assert.assertEquals(10, impl.getPageId());

      impl.open();

      Assert.assertEquals(1, factory.listFiles("page").size());

      SimpleString simpleDestination = new SimpleString("Test");

      ArrayList<HornetQBuffer> buffers = addPageElements(simpleDestination, impl, numberOfElements);

      impl.sync();

      long positionA = file.position();

      // Add one record that will be damaged
      addPageElements(simpleDestination, impl, 1);

      long positionB = file.position();

      // Add more 10 as they will need to be ignored
      addPageElements(simpleDestination, impl, 10);

      // Damage data... position the file on the middle between points A and B
      file.position(positionA + (positionB - positionA) / 2);

      ByteBuffer buffer = ByteBuffer.allocate((int)(positionB - file.position()));

      for (int i = 0; i < buffer.capacity(); i++)
      {
         buffer.put((byte)'Z');
      }

      buffer.rewind();

      file.writeDirect(buffer, true);

      impl.close();

      file = factory.createSequentialFile("00010.page", 1);
      file.open();
      impl = new PageImpl(new SimpleString("something"), new NullStorageManager(), factory, file, 10);

      List<PagedMessage> msgs = impl.read(new NullStorageManager());

      Assert.assertEquals(numberOfElements, msgs.size());

      Assert.assertEquals(numberOfElements, impl.getNumberOfMessages());

      for (int i = 0; i < msgs.size(); i++)
      {
         Assert.assertEquals(simpleDestination, msgs.get(i).getMessage().getAddress());

         UnitTestCase.assertEqualsByteArrays(buffers.get(i).toByteBuffer().array(), msgs.get(i)
                                                                                        .getMessage()
                                                                                        .getBodyBuffer()
                                                                                        .toByteBuffer()
                                                                                        .array());
      }

      impl.delete(null);

      Assert.assertEquals(0, factory.listFiles("page").size());

      Assert.assertEquals(1, factory.listFiles("invalidPage").size());
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Related Classes of org.hornetq.core.paging.impl.PageImpl

  • org.hornetq.api.core.HornetQBuffer
  • org.hornetq.core.paging.PagedMessage
  • org.hornetq.core.server.LargeServerMessage
  • org.hornetq.tests.unit.core.paging.impl.PageImplTest
  • java.nio.ByteBuffer
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