Examples of org.hornetq.core.client.impl.LargeMessageControllerImpl

org.hornetq.core.client.impl.LargeMessageControllerImpl
This class aggregates several {@link SessionReceiveContinuationMessage}s as it was being handled by a single buffer. This buffer can be consumed as messages are arriving, and it will hold the packets until they are read using the ChannelBuffer interface, or the setOutputStream or saveStream are called. @author Clebert Suconic

      });
   }


   public void testStreamDataWaitCompletionOnInCompleteBuffer() throws Exception
   {
      final LargeMessageControllerImpl outBuffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), 5, 1000);
      


      class FakeOutputStream extends OutputStream
      {
         @Override
         public void write(int b) throws IOException
         {
         }
      }
      
      outBuffer.setOutputStream(new FakeOutputStream());
      
      long time = System.currentTimeMillis();
      try
      {
         outBuffer.waitCompletion(0);
         fail("supposed to throw an exception");
      }
      catch (HornetQException e)
      {
      }

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   }




   public void testStreamDataWaitCompletionOnSlowComingBuffer() throws Exception
   {
      final LargeMessageControllerImpl outBuffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), 5, 1000);
      


      class FakeOutputStream extends OutputStream
      {
         @Override
         public void write(int b) throws IOException
         {
         }
      }
      
      outBuffer.setOutputStream(new FakeOutputStream());
      
      Thread sender = new Thread()
      {
         public void run()
         {
            try
            {
               Thread.sleep(200);
               outBuffer.addPacket(new FakePacket(-1, new byte[] { 0 }, true, false));
               Thread.sleep(1000);
               outBuffer.addPacket(new FakePacket(-1, new byte[] { 0 }, true, false));
               Thread.sleep(1000);
               outBuffer.addPacket(new FakePacket(-1, new byte[] { 0 }, false, false));
            }
            catch (Exception e)
            {
            }
         }
      };
      
      sender.start();
      outBuffer.waitCompletion(0);
      sender.join();
   }

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   }


   public void testErrorOnSetStreaming() throws Exception
   {
      long start = System.currentTimeMillis();
      final LargeMessageControllerImpl outBuffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), 5, 30000);


      outBuffer.addPacket(new FakePacket(-1, new byte[] { 0, 1, 2, 3, 4 }, true, false));


      final CountDownLatch latchBytesWritten1 = new CountDownLatch(5);
      final CountDownLatch latchBytesWritten2 = new CountDownLatch(10);


      outBuffer.setOutputStream(new OutputStream()
      {
         @Override
         public void write(final int b) throws IOException
         {
            latchBytesWritten1.countDown();
            latchBytesWritten2.countDown();
         }
      });


      latchBytesWritten1.await();


      try
      {
         outBuffer.readByte();
         Assert.fail("supposed to throw an exception");
      }
      catch (IllegalAccessError ignored)
      {
      }

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      return splitBuffer(splitFactor, bytes, null);
   }


   private LargeMessageControllerImpl splitBuffer(final int splitFactor, final byte[] bytes, final File file) throws Exception
   {
      LargeMessageControllerImpl outBuffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), bytes.length, 5000, file);


      ByteArrayInputStream input = new ByteArrayInputStream(bytes);


      while (true)
      {
         byte[] splitElement = new byte[splitFactor];
         int size = input.read(splitElement);
         if (size <= 0)
         {
            break;
         }


         SessionReceiveContinuationMessage packet = null;


         if (size < splitFactor)
         {
            byte[] newSplit = new byte[size];
            System.arraycopy(splitElement, 0, newSplit, 0, size);


            packet = new FakePacket(1, newSplit, input.available() > 0, false);
         }
         else
         {
            packet = new FakePacket(1, splitElement, input.available() > 0, false);
         }


         outBuffer.addPacket(packet);
      }


      return outBuffer;


   }

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      return splitBuffer(splitFactor, bytes, null);
   }


   private LargeMessageControllerImpl splitBuffer(final int splitFactor, final byte[] bytes, final File file) throws Exception
   {
      LargeMessageControllerImpl outBuffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), bytes.length, 5000, file);


      ByteArrayInputStream input = new ByteArrayInputStream(bytes);


      while (true)
      {
         byte[] splitElement = new byte[splitFactor];
         int size = input.read(splitElement);
         if (size <= 0)
         {
            break;
         }


         SessionReceiveContinuationMessage packet = null;


         if (size < splitFactor)
         {
            byte[] newSplit = new byte[size];
            System.arraycopy(splitElement, 0, newSplit, 0, size);


            packet = new FakePacket(1, newSplit, input.available() > 0, false);
         }
         else
         {
            packet = new FakePacket(1, splitElement, input.available() > 0, false);
         }


         outBuffer.addPacket(packet);
      }


      return outBuffer;


   }

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   }


   // Test Simple getBytes
   public void testGetBytes() throws Exception
   {
      LargeMessageControllerImpl buffer = create15BytesSample();


      for (int i = 1; i <= 15; i++)
      {
         try
         {
            Assert.assertEquals(i, buffer.readByte());
         }
         catch (Exception e)
         {
            throw new Exception("Exception at position " + i, e);
         }
      }


      try
      {
         buffer.readByte();
         Assert.fail("supposed to throw an exception");
      }
      catch (IndexOutOfBoundsException e)
      {
      }

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   }


   // Test for void getBytes(final int index, final byte[] dst)
   public void testGetBytesIByteArray() throws Exception
   {
      LargeMessageControllerImpl buffer = create15BytesSample();


      byte[] bytes = new byte[15];
      buffer.getBytes(0, bytes);


      validateAgainstSample(bytes);


      try
      {
         buffer = create15BytesSample();


         bytes = new byte[16];
         buffer.getBytes(0, bytes);
         Assert.fail("supposed to throw an exception");
      }
      catch (java.lang.IndexOutOfBoundsException e)
      {
      }

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   }


   // testing void getBytes(int index, ChannelBuffer dst, int dstIndex, int length)
   public void testGetBytesILChannelBufferII() throws Exception
   {
      LargeMessageControllerImpl buffer = create15BytesSample();


      HornetQBuffer dstBuffer = HornetQBuffers.fixedBuffer(20);


      dstBuffer.setIndex(0, 5);


      buffer.getBytes(0, dstBuffer);


      byte[] compareBytes = new byte[15];
      dstBuffer.getBytes(5, compareBytes);


      validateAgainstSample(compareBytes);

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   }


   // testing void getBytes(int index, ChannelBuffer dst, int dstIndex, int length)
   public void testReadIntegers() throws Exception
   {
      LargeMessageControllerImpl buffer = createBufferWithIntegers(3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);


      for (int i = 1; i <= 15; i++)
      {
         Assert.assertEquals(i, buffer.readInt());
      }


      try
      {
         buffer.readByte();
         Assert.fail("supposed to throw an exception");
      }
      catch (IndexOutOfBoundsException e)
      {
      }

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      }
   }


   public void testReadIntegersOverStream() throws Exception
   {
      LargeMessageControllerImpl buffer = createBufferWithIntegers(3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
      HornetQBufferInputStream is = new HornetQBufferInputStream(buffer);
      DataInputStream dataInput = new DataInputStream(is);


      for (int i = 1; i <= 15; i++)
      {

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