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

   }


   // 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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   }


   // testing void getBytes(int index, ChannelBuffer dst, int dstIndex, int length)
   public void testReadLongs() throws Exception
   {
      LargeMessageControllerImpl buffer = createBufferWithLongs(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.readLong());
      }


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

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      }
   }


   public void testReadLongsOverStream() throws Exception
   {
      LargeMessageControllerImpl buffer = createBufferWithLongs(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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      dynamic.writeUTF(str1);
      dynamic.writeString(str2);
      dynamic.writeDouble(d1);
      dynamic.writeFloat(f1);


      LargeMessageControllerImpl readBuffer = splitBuffer(3, dynamic.toByteBuffer().array());


      Assert.assertEquals(str1, readBuffer.readUTF());
      Assert.assertEquals(str2, readBuffer.readString());
      Assert.assertEquals(d1, readBuffer.readDouble());
      Assert.assertEquals(f1, readBuffer.readFloat());
   }

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      dynamic.writeUTF(str1);
      dynamic.writeString(str2);
      dynamic.writeDouble(d1);
      dynamic.writeFloat(f1);


      LargeMessageControllerImpl readBuffer = splitBuffer(3, dynamic.toByteBuffer().array(), getTestFile());


      Assert.assertEquals(str1, readBuffer.readUTF());
      Assert.assertEquals(str2, readBuffer.readString());
      Assert.assertEquals(d1, readBuffer.readDouble());
      Assert.assertEquals(f1, readBuffer.readFloat());


      readBuffer.readerIndex(0);


      Assert.assertEquals(str1, readBuffer.readUTF());
      Assert.assertEquals(str2, readBuffer.readString());
      Assert.assertEquals(d1, readBuffer.readDouble());
      Assert.assertEquals(f1, readBuffer.readFloat());


      readBuffer.close();
   }

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   }


   public void testReadPartialData() throws Exception
   {


      final LargeMessageControllerImpl buffer = new LargeMessageControllerImpl(new FakeConsumerInternal(), 10, 10);


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


      byte bytes[] = new byte[30];
      buffer.readBytes(bytes, 0, 5);


      for (byte i = 0; i < 5; i++)
      {
         Assert.assertEquals(i, bytes[i]);
      }


      final CountDownLatch latchGo = new CountDownLatch(1);


      final AtomicInteger errorCount = new AtomicInteger(0);


      Thread t = new Thread()
      {
         @Override
         public void run()
         {


            try
            {
               latchGo.countDown();
               buffer.readBytes(new byte[5]);
            }
            catch (IndexOutOfBoundsException ignored)
            {
            }
            catch (IllegalAccessError ignored)
            {


            }
            catch (Throwable e)
            {
               e.printStackTrace();
               errorCount.incrementAndGet();
            }
         }
      };


      t.start();


      latchGo.await();


      buffer.cancel();


      t.join();


      Assert.assertEquals(0, errorCount.get());

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