Package org.jboss.util.stream

Examples of org.jboss.util.stream.MarshalledValueOutputStream

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      /* One FQN only. */
      doPutTests(FQN);
      doRemoveTests(FQN);

      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      os.close();

      /* Add three FQNs, middle FQN last. */
      Fqn k1 = Fqn.fromString("/key1");
      Fqn k2 = Fqn.fromString("/key2");
      Fqn k3 = Fqn.fromString("/key3");

      doPutTests(k1);
      doPutTests(k3);
      doPutTests(k2);
      assertEquals(4, loader.get(k1).size());
      assertEquals(4, loader.get(k2).size());
      assertEquals(4, loader.get(k3).size());

      /* Remove middle FQN first, then the others. */
      doRemoveTests(k2);
      doRemoveTests(k3);
      doRemoveTests(k1);
      assertEquals(null, loader.get(k1));
      assertEquals(null, loader.get(k2));
      assertEquals(null, loader.get(k3));

      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      os.close();

      stopLoader();
   }
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      Object txnKey = new Object();
      List<Modification> mods = createUpdates();
      loader.prepare(txnKey, mods, false);
      loader.rollback(txnKey);
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      os.close();

      stopLoader();
   }
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      }

      /* Commit and rollback after commit. */

      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();

      ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
      MarshalledValueInputStream is = new MarshalledValueInputStream(bais);
      loader.storeEntireState(is);
      is.close();
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   {
      startLoader(false, null);

      /* Empty state. */
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();

      ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
      MarshalledValueInputStream is = new MarshalledValueInputStream(bais);
      loader.storeEntireState(is);
      is.close();

      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();

      bais = new ByteArrayInputStream(baos.toByteArray());
      is = new MarshalledValueInputStream(bais);
      loader.storeEntireState(is);
      is.close();

      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();

      assertEquals(null, loader.get(FQN));

      /* Use a complex object to ensure that the class catalog is used. */
      Complex c1 = new Complex();
      Complex c2 = new Complex(c1);

      /* Add objects. */
      loader.put(FQN, 1, c1);
      loader.put(FQN, 2, c2);
      assertEquals(c1, loader.get(FQN).get(1));
      assertEquals(c2, loader.get(FQN).get(2));
      assertEquals(2, loader.get(FQN).size());

      /* Save state. */
      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      assertTrue(baos.size() > STREAM_HEADER_LENGTH);
      os.close();

      byte[] savedState = baos.toByteArray();

      /* Clear state. */
      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();
      bais = new ByteArrayInputStream(baos.toByteArray());
      is = new MarshalledValueInputStream(bais);
      loader.storeEntireState(is);
      is.close();

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      oldImpl.put(Fqn.fromString("/a/b/e"), "key3", "value3");
      oldImpl.put(Fqn.fromString("/a/f/e"), "key4", "value4");
      oldImpl.put(Fqn.ROOT, "root_key", "root_value");

      ByteArrayOutputStream newBaos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream newOs = new MarshalledValueOutputStream(newBaos);
      newImpl.start();
      newImpl.loadEntireState(newOs);
      newImpl.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, newOs);
      newOs.close();
      newImpl.remove(Fqn.ROOT);
      assertNull(newImpl.get(Fqn.fromString("/a/b/c")));
      assertNull(newImpl.get(Fqn.fromString("/a/b/d")));
      assertNull(newImpl.get(Fqn.fromString("/a/b/e")));
      assertNull(newImpl.get(Fqn.fromString("/a/f/e")));
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      oldImpl.put(Fqn.fromString("/a/b/e"), "key3", "value3");
      oldImpl.put(Fqn.fromString("/a/f/e"), "key4", "value4");
      oldImpl.put(Fqn.ROOT, "root_key", "root_value");

      ByteArrayOutputStream newBaos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream newOs = new MarshalledValueOutputStream(newBaos);
      newImpl.start();
      newImpl.loadState(Fqn.fromString("/a/b"), newOs);
      newImpl.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, newOs);
      newOs.close();

      newImpl.remove(Fqn.fromString("/a/b"));
      assertNull(newImpl.get(Fqn.fromString("/a/b/c")));
      assertNull(newImpl.get(Fqn.fromString("/a/b/d")));
      assertNull(newImpl.get(Fqn.fromString("/a/b/e")));
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      Fqn X = Fqn.fromString("/x");
      CacheLoader loader = cache.getCacheLoaderManager().getCacheLoader();
      loader.remove(X);
      cache.put(X, "key1", "value1");
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      //os.close();
      assertTrue(baos.size() > 0);
      loader.remove(X);
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    * The object has to implement interface Serializable or Externalizable
    */
   byte[] objectToByteBufferInternal (Object obj) throws Exception
   {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(baos);
      mvos.writeObject(obj);
      mvos.flush();
      return baos.toByteArray();
   }
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      }

      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      // write a marker to stream to distinguish from null value stream
      baos.write(SERIALIZABLE_VALUE);
      MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(baos);
      mvos.writeObject(obj);
      mvos.flush();
      return baos.toByteArray();
   }
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    /**
     * Serializes an object into a byte buffer. The object has to implement interface Serializable or Externalizable
     */
    byte[] objectToByteBufferInternal(Object obj) throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(baos);
        mvos.writeObject(obj);
        mvos.flush();
        return baos.toByteArray();
    }
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