com.gemstone.gemfire.pdx.internal.PdxInstanceImpl Java Examples

public void addToQueue(PdxInstanceImpl instance) {
    try {

    	Double prediction = (double)instance.readField("predicted");
        Double ema = (double)instance.readField("ema");

        if (prediction>FinanceUI.maxY) FinanceUI.maxY = prediction;
        if (prediction<FinanceUI.minY) FinanceUI.minY = prediction;

        if (ema>FinanceUI.maxY) FinanceUI.maxY = ema;
        if (ema<FinanceUI.minY) FinanceUI.minY = ema;
        
        if (FinanceUI.getInstance() != null) {
        	FinanceUI.getInstance().getPredictionDataQueue().add((Number) prediction);
        	FinanceUI.getInstance().getEmaDataQueue().add((Number) ema);
            
            FinanceUI.yAxis.setUpperBound(FinanceUI.maxY);
            FinanceUI.yAxis.setLowerBound(FinanceUI.minY);
        }
    } catch (Exception ex) {
    	ex.printStackTrace();
        logger.severe("Problems parsing event for chart update:" + ex.getMessage());
    }

    logger.fine(String.format("Received afterCreate event for entry:  %s", instance.toString()));
}
 

public void testBasics() throws IOException, ClassNotFoundException {
  PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("basics", false);
  c.writeInt("intField", 37);
  PdxInstance pi = c.create();
  WritablePdxInstance wpi = pi.createWriter();
  assertEquals(true, wpi.hasField("intField"));
  assertEquals(37, wpi.getField("intField"));
  assertEquals(false, wpi.isIdentityField("intField"));
  wpi.setField("intField", 38);
  assertEquals(38, wpi.getField("intField"));
  checkPdxInstance(wpi);
  PdxType t1 = ((PdxInstanceImpl)pi).getPdxType();
  PdxInstanceFactory c2 = PdxInstanceFactoryImpl.newCreator("basics", false);
  c2.writeInt("intField", 46);
  PdxInstance pi2 = c2.create();
  PdxType t2 = ((PdxInstanceImpl)pi2).getPdxType();
  assertEquals(t1, t2);
  assertEquals(t1.getTypeId(), t2.getTypeId());
}
 

public void testHashCodeEquals() throws Exception{
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  PdxString pdx1 = (PdxString) pi.getRawField("secId");
  Map<PdxString,String> map = new HashMap<PdxString,String>();
  map.put(pdx1,"abc");
  
  PdxString pdx2 = new PdxString("abc");
  assertEquals(map.get(pdx2),"abc");
  
  map = new THashMap();
  map.put(pdx1,"abc");
  assertEquals(map.get(pdx2),"abc");

}
 

public void testHashCodeEquals() throws Exception{
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  PdxString pdx1 = (PdxString) pi.getRawField("secId");
  Map<PdxString,String> map = new HashMap<PdxString,String>();
  map.put(pdx1,"abc");
  
  PdxString pdx2 = new PdxString("abc");
  assertEquals(map.get(pdx2),"abc");
  
  map = new THashMap();
  map.put(pdx1,"abc");
  assertEquals(map.get(pdx2),"abc");

}
 

public void testBasics() throws IOException, ClassNotFoundException {
  PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("basics", false);
  c.writeInt("intField", 37);
  PdxInstance pi = c.create();
  WritablePdxInstance wpi = pi.createWriter();
  assertEquals(true, wpi.hasField("intField"));
  assertEquals(37, wpi.getField("intField"));
  assertEquals(false, wpi.isIdentityField("intField"));
  wpi.setField("intField", 38);
  assertEquals(38, wpi.getField("intField"));
  checkPdxInstance(wpi);
  PdxType t1 = ((PdxInstanceImpl)pi).getPdxType();
  PdxInstanceFactory c2 = PdxInstanceFactoryImpl.newCreator("basics", false);
  c2.writeInt("intField", 46);
  PdxInstance pi2 = c2.create();
  PdxType t2 = ((PdxInstanceImpl)pi2).getPdxType();
  assertEquals(t1, t2);
  assertEquals(t1.getTypeId(), t2.getTypeId());
}
 

public void addToQueue(PdxInstanceImpl instance) {
    try {

    	Double prediction = (double)instance.readField("predictedPeak");
        Double ema = (double)instance.readField("ema");

        if (prediction>FinanceUI.maxY) FinanceUI.maxY = prediction;
        if (prediction<FinanceUI.minY) FinanceUI.minY = prediction;

        if (ema>FinanceUI.maxY) FinanceUI.maxY = ema;
        if (ema<FinanceUI.minY) FinanceUI.minY = ema;
        
        if (FinanceUI.getInstance() != null) {
        	FinanceUI.getInstance().getPredictionDataQueue().add((Number) prediction);
        	FinanceUI.getInstance().getEmaDataQueue().add((Number) ema);
            
            FinanceUI.yAxis.setUpperBound(FinanceUI.maxY);
            FinanceUI.yAxis.setLowerBound(FinanceUI.minY);
        }
    } catch (Exception ex) {
        logger.severe("Problems parsing event for chart update:" + ex.getMessage());
    }

    logger.fine(String.format("Received afterCreate event for entry:  %s", instance.toString()));
}
 

private void updateProductRegion(EntryEvent<String, Object> entryEvent) {
	Transaction transaction = null;
	if (entryEvent.getNewValue() instanceof PdxInstanceImpl) {
		transaction = ReferenceHelper.toObject(entryEvent.getNewValue(), Transaction.class);
	}
	else {
		transaction = (Transaction)entryEvent.getNewValue();
	}
	if (transaction.getOrderStatus().equals(Transaction.ORDER_OPEN)) {
		//get the product
		Product product = resolveReference(productRepository.findOne(transaction.getProductId()));
		//update the stock - NOTE: risk of inconsistency here
		product.setStockOnHand(product.getStockOnHand() - transaction.getQuantity());
		//save the product
		System.out.println("Updating product " + product.getId());
		productRepository.save(product);
	}
}
 

private Product resolveReference(Object obj) {
		if (obj instanceof PdxInstanceImpl) {
			return ReferenceHelper.toObject(obj, Product.class);
		}
		else {
			return (Product)obj;
		}
}
 

public void addToQueue(PdxInstanceImpl instance) {
    try {

    	List<String> names = instance.getFieldNames();
        // reading fields from the event
        Double close = Double.parseDouble(instance.readField("LastTradePriceOnly").toString());
        

        if (close>FinanceUI.maxY) FinanceUI.maxY = close;
        if (close<FinanceUI.minY) FinanceUI.minY = close;
      
        
        //Double close = (double) instance.readField("ema");
        //Double prediction = (double)instance.readField("predictedPeak");;

        
        if (FinanceUI.getInstance() != null) {
            FinanceUI.getInstance().getStockDataQueue().add((Number) close);
            FinanceUI.yAxis.setUpperBound(FinanceUI.maxY);
            FinanceUI.yAxis.setLowerBound(FinanceUI.minY);
            
          //  FinanceUI.getInstance().getPredictionDataQueue().add((Number) prediction);
        }
    } catch (Exception ex) {
    	ex.printStackTrace();
        logger.severe("Problems parsing event for chart update:" + ex.getMessage());
    }

    logger.fine(String.format("Received afterCreate event for entry:  %s", instance.toString()));
}
 

public void testToString() throws Exception{
  String s = "abc";
  PdxString pdx = new PdxString(s);
  assertEquals(s, pdx.toString());
  
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  pdx = (PdxString) pi.getRawField("secId");
  assertEquals(s, pdx.toString());
  
}
 

public void testEquals() throws Exception{
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  PdxString pdx1 = (PdxString) pi.getRawField("secId");
  assertEquals(false, pdx1.equals(null));
  assertEquals(false, pdx1.equals(new Date(37)));
  
  PdxString pdx2 = new PdxString("abc");
  assertEquals(pdx1,pdx2);
  
  pdx2 = new PdxString("ABC");
  assertEquals(false, pdx1.equals(pdx2));

}
 

private Object readFieldFromDeserializedObject(PdxInstanceImpl pdxInstance,
    Object target) throws NameNotFoundException,
    QueryInvocationTargetException {
  try {
    Object obj = pdxInstance.getCachedObject();
    return read(obj, obj.getClass());
  } catch (PdxSerializationException e) {
    throw new NameNotFoundException( // the domain object is not available
        LocalizedStrings.AttributeDescriptor_FIELD_0_IN_CLASS_1_IS_NOT_ACCESSIBLE_TO_THE_QUERY_PROCESSOR
            .toLocalizedString(new Object[] { _name,
                target.getClass().getName() }));
  }
}
 

@Override
  public void setValue(String theValue) throws StandardException {
    // stream = null;
    rawLength = -1;
//    cKey = null;

//    value = theValue;
    if (theValue != null) {
      PdxInstance jsonPdxInstance1 = null;
      try {
        jsonPdxInstance1 = JSONFormatter.fromJSON(theValue);
      } catch (JSONFormatterException je) {
        //showing only first 255 chars of the input
        String s = theValue;
        if (theValue.length() > 255) {
          s = theValue.substring(0, 255);
        }
        throw StandardException.newException(SQLState.LANG_INVALID_JSON, je, 
            s, 255);
      }
      jsonPdxInstanceBytes = ((PdxInstanceImpl) jsonPdxInstance1).toBytes();
    } else {
      jsonPdxInstanceBytes = null;
    }
    
    this.rawData = null;
  }
 

private static final Object readPdxSerializable(final DataInput in)
      throws IOException, ClassNotFoundException {

    int len = in.readInt();
    int typeId = in.readInt();
    
    GemFireCacheImpl gfc = GemFireCacheImpl.getForPdx("PDX registry is unavailable because the Cache has been closed.");
    PdxType pdxType = gfc.getPdxRegistry().getType(typeId);
    if (DEBUG) {
      gfc.getLogger().info("readPdxSerializable pdxType="+ pdxType);
    }
    if (pdxType == null) {
      throw new IllegalStateException("Unknown pdx type=" + typeId);
    }
    
    DMStats dmStats = getDMStats(gfc);
    dmStats.incPdxDeserialization(len+9);
    
    // check if PdxInstance needs to be returned.
    if (pdxType.getNoDomainClass() || gfc.getPdxReadSerializedByAnyGemFireServices()) {
//      if (DEBUG) {
//        gfc.getLogger().info("returning PdxInstance", new Exception("stack trace"));
//      }
      dmStats.incPdxInstanceCreations();
      return new PdxInstanceImpl(pdxType, in, len);
    } else {
//      if (DEBUG) {
//        gfc.getLogger().info("returning domain object", new Exception("stack trace"));
//      }
      // return domain object.
      PdxReaderImpl pdxReader = new PdxReaderImpl(pdxType, in, len);
      return pdxReader.getObject();
    } 
  }
 

/**
 * Just like readObject but make sure and pdx deserialized is not
 * a PdxInstance. 
 * @since 6.6.2
 */
public static final <T> T readNonPdxInstanceObject(final DataInput in)
throws IOException, ClassNotFoundException {
  boolean wouldReadSerialized = PdxInstanceImpl.getPdxReadSerialized();
  if (!wouldReadSerialized) {
    return DataSerializer.<T>readObject(in);
  } else {
    PdxInstanceImpl.setPdxReadSerialized(false);
    try {
      return DataSerializer.<T>readObject(in);
    } finally {
      PdxInstanceImpl.setPdxReadSerialized(true);
    }
  }
}
 

@Override
  public void setValue(String theValue) throws StandardException {
    // stream = null;
    rawLength = -1;
//    cKey = null;

//    value = theValue;
    if (theValue != null) {
      PdxInstance jsonPdxInstance1 = null;
      try {
        jsonPdxInstance1 = JSONFormatter.fromJSON(theValue);
      } catch (JSONFormatterException je) {
        //showing only first 255 chars of the input
        String s = theValue;
        if (theValue.length() > 255) {
          s = theValue.substring(0, 255);
        }
        throw StandardException.newException(SQLState.LANG_INVALID_JSON, je, 
            s, 255);
      }
      jsonPdxInstanceBytes = ((PdxInstanceImpl) jsonPdxInstance1).toBytes();
    } else {
      jsonPdxInstanceBytes = null;
    }
    
    this.rawData = null;
  }
 

private Customer resolveReferenceCust(Object obj) {
	if (obj instanceof PdxInstanceImpl) {
		return ReferenceHelper.toObject(obj, Customer.class);
	}
	else {
		return (Customer)obj;
	}
}
 

private Transaction resolveReferenceTxn(Object obj) {
	if (obj instanceof PdxInstanceImpl) {
		return ReferenceHelper.toObject(obj, Transaction.class);
	}
	else {
		return (Transaction)obj;
	}
}
 

private Product resolveReference(Object obj) {
		if (obj instanceof PdxInstanceImpl) {
			return ReferenceHelper.toObject(obj, Product.class);
		}
		else {
			return (Product)obj;
		}
}
 

public void testToString() throws Exception{
  String s = "abc";
  PdxString pdx = new PdxString(s);
  assertEquals(s, pdx.toString());
  
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  pdx = (PdxString) pi.getRawField("secId");
  assertEquals(s, pdx.toString());
  
}
 

public void testEquals() throws Exception{
  PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
  pf.writeString("secId", "abc");
  PdxInstanceImpl pi = (PdxInstanceImpl) pf.create();  
  PdxString pdx1 = (PdxString) pi.getRawField("secId");
  assertEquals(false, pdx1.equals(null));
  assertEquals(false, pdx1.equals(new Date(37)));
  
  PdxString pdx2 = new PdxString("abc");
  assertEquals(pdx1,pdx2);
  
  pdx2 = new PdxString("ABC");
  assertEquals(false, pdx1.equals(pdx2));

}
 

private Object readFieldFromDeserializedObject(PdxInstanceImpl pdxInstance,
    Object target) throws NameNotFoundException,
    QueryInvocationTargetException {
  try {
    Object obj = pdxInstance.getCachedObject();
    return read(obj, obj.getClass());
  } catch (PdxSerializationException e) {
    throw new NameNotFoundException( // the domain object is not available
        LocalizedStrings.AttributeDescriptor_FIELD_0_IN_CLASS_1_IS_NOT_ACCESSIBLE_TO_THE_QUERY_PROCESSOR
            .toLocalizedString(new Object[] { _name,
                target.getClass().getName() }));
  }
}
 

private static final Object readPdxSerializable(final DataInput in)
      throws IOException, ClassNotFoundException {

    int len = in.readInt();
    int typeId = in.readInt();
    
    GemFireCacheImpl gfc = GemFireCacheImpl.getForPdx("PDX registry is unavailable because the Cache has been closed.");
    PdxType pdxType = gfc.getPdxRegistry().getType(typeId);
    if (DEBUG) {
      gfc.getLogger().info("readPdxSerializable pdxType="+ pdxType);
    }
    if (pdxType == null) {
      throw new IllegalStateException("Unknown pdx type=" + typeId);
    }
    
    DMStats dmStats = getDMStats(gfc);
    dmStats.incPdxDeserialization(len+9);
    
    // check if PdxInstance needs to be returned.
    if (pdxType.getNoDomainClass() || gfc.getPdxReadSerializedByAnyGemFireServices()) {
//      if (DEBUG) {
//        gfc.getLogger().info("returning PdxInstance", new Exception("stack trace"));
//      }
      dmStats.incPdxInstanceCreations();
      return new PdxInstanceImpl(pdxType, in, len);
    } else {
//      if (DEBUG) {
//        gfc.getLogger().info("returning domain object", new Exception("stack trace"));
//      }
      // return domain object.
      PdxReaderImpl pdxReader = new PdxReaderImpl(pdxType, in, len);
      return pdxReader.getObject();
    } 
  }
 

/**
 * Just like readObject but make sure and pdx deserialized is not
 * a PdxInstance. 
 * @since 6.6.2
 */
public static final <T> T readNonPdxInstanceObject(final DataInput in)
throws IOException, ClassNotFoundException {
  boolean wouldReadSerialized = PdxInstanceImpl.getPdxReadSerialized();
  if (!wouldReadSerialized) {
    return DataSerializer.<T>readObject(in);
  } else {
    PdxInstanceImpl.setPdxReadSerialized(false);
    try {
      return DataSerializer.<T>readObject(in);
    } finally {
      PdxInstanceImpl.setPdxReadSerialized(true);
    }
  }
}
 

private Object eval0(Object receiver, Class resolutionType, ExecutionContext context)
throws TypeMismatchException, FunctionDomainException, NameResolutionException,
        QueryInvocationTargetException {
  if (receiver == null || receiver == QueryService.UNDEFINED)
    return QueryService.UNDEFINED;
  
  List args = new ArrayList();
  List argTypes = new ArrayList();
  Iterator i = this.args.iterator();
  while (i.hasNext()) {
    CompiledValue arg = (CompiledValue)i.next();
    Object o = arg.evaluate(context);
    
    // undefined arg produces undefines method result
    if (o == QueryService.UNDEFINED)
      return QueryService.UNDEFINED;
    
    args.add(o);
    // pass in null for the type if the runtime value is null
    if (o == null)
      argTypes.add(null);
    // commented out because we currently always use the runtime type for args
    //             else if (arg.getType() == Identifier)
    //             {
    //                 CompiledValue resolved = context.resolve(((CompiledID)arg).getId());
    //                 if (resolved != null && resolved.getType() == ITERATOR)
    //                     argTypes.add(((RuntimeIterator)resolved).getBaseCollection().getConstraint());
    //                 else
    //                     argTypes.add(o.getClass());
    //             }
    else
      argTypes.add(o.getClass()); // otherwise use the runtime type
  }
  
  // see if in cache
  MethodDispatch methodDispatch;
  List key = Arrays.asList(new Object[] { resolutionType , this.methodName, argTypes });
  methodDispatch = (MethodDispatch)CompiledOperation.cache.get(key);
  if (methodDispatch == null) {
    try {
      methodDispatch = new MethodDispatch(resolutionType, this.methodName, argTypes);
    } catch(NameResolutionException nre) {         
      if (!com.gemstone.gemfire.cache.query.Struct.class.isAssignableFrom(resolutionType) &&
          (DefaultQueryService.QUERY_HETEROGENEOUS_OBJECTS ||
           DefaultQueryService.TEST_QUERY_HETEROGENEOUS_OBJECTS)) {
        return QueryService.UNDEFINED;
      } else {         
        throw nre;  
      } 
    } 
    // cache
    CompiledOperation.cache.putIfAbsent(key, methodDispatch);
  }
  if (receiver instanceof PdxInstance) {
    try {
      if (receiver instanceof PdxInstanceImpl) {
        receiver = ((PdxInstanceImpl)receiver).getCachedObject();
      } else {
        receiver = ((PdxInstance)receiver).getObject();
      }
    } catch (PdxSerializationException ex) {
      throw new QueryInvocationTargetException(ex);
    }
  }
  return methodDispatch.invoke(receiver, args);
}
 

@Override
public void afterCreate(EntryEvent<K, V> event) {
   	addToQueue((PdxInstanceImpl) event.getNewValue());
   }
 

@Override
public void afterUpdate(EntryEvent<K, V> event) {
   	addToQueue((PdxInstanceImpl) event.getNewValue());
   }
 

@Override
public void afterCreate(EntryEvent<K, V> event) {
   	addToQueue((PdxInstanceImpl) event.getNewValue());
   }
 

@Override
public void afterUpdate(EntryEvent<K, V> event) {
   	addToQueue((PdxInstanceImpl) event.getNewValue());
   }
 

@Override
public void afterCreate(EntryEvent<K, V> event) {
   	addToQueue((PdxInstanceImpl) event.getNewValue());
   }