Examples of org.archfirst.common.quantity.DecimalQuantity

org.archfirst.common.quantity.DecimalQuantity
A decimal quantity. This is almost an immutable object - I tried to remove the setter and use field-based access, but then Hibernate gives following error: org.hibernate.PropertyNotFoundException: Could not find a setter for property value in class org.archfirst.util.quantity.DecimalQuantity For now, just don't use the setter. @author Naresh Bhatia

        // Find lots for the specified instrument
        List<Lot> lots =
            brokerageAccountRepository.findActiveLots(this, symbol);


        // First deposit to lots that have negative quantity (unusual case)
        DecimalQuantity quantityLeftToDeposit = quantity;
        for (Lot lot : lots) {
            DecimalQuantity lotQuantity = lot.getQuantity();
            if (lotQuantity.isMinus()) {
                DecimalQuantity depositQuantity = lotQuantity.negate();
                lot.buy(depositQuantity, pricePaidPerShare);
                lot.addAllocation(factory.createAllocation(depositQuantity));
                quantityLeftToDeposit = quantityLeftToDeposit.minus(depositQuantity);
                if (quantityLeftToDeposit.isZero()) {
                    break;

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        // Find lots for the specified instrument
        List<Lot> lots =
            brokerageAccountRepository.findActiveLots(this, symbol);


        // Withdraw specified quantity from available lots
        DecimalQuantity quantityLeftToWithdraw = quantity;
        for (Lot lot : lots) {
            DecimalQuantity lotQuantity = lot.getQuantity();
            if (lotQuantity.isMinus()) {
                continue;
            }
            DecimalQuantity withdrawQuantity =
                (lotQuantity.gteq(quantityLeftToWithdraw)) ?
                        quantityLeftToWithdraw : lotQuantity;
            lot.sell(withdrawQuantity);
            lot.addAllocation(factory.createAllocation(withdrawQuantity.negate()));
            quantityLeftToWithdraw = quantityLeftToWithdraw.minus(withdrawQuantity);
            if (quantityLeftToWithdraw.isZero()) {
                break;
            }
        }

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        return quantity.lteq(calculateSecurityAvailable(symbol));
    }
    
    public DecimalQuantity calculateSecurityAvailable(String symbol) {


        DecimalQuantity securityAvailable =
            brokerageAccountRepository.getNumberOfShares(this, symbol);


        // Reduce security available by estimated quantity of sell orders
        List<Order> orders =
            brokerageAccountRepository.findActiveSellOrders(this, symbol);
        for (Order order : orders) {
            securityAvailable = securityAvailable.minus(order.getQuantity());
        }
        
        return securityAvailable;
    }

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    public static int toJson(DecimalQuantity quantity) {
        return (quantity == null) ? 0 : quantity.getValue().intValue();
    }
    
    public static DecimalQuantity toDomain(int quantity) {
        return new DecimalQuantity(quantity);
    }

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    }


    public DecimalQuantity getNumberOfShares(
            BrokerageAccount account, String symbol) {
        
        DecimalQuantity numberOfShares = DecimalQuantity.ZERO;
        
        List<Lot> lots = findActiveLots(account, symbol);
        for (Lot lot : lots) {
            numberOfShares = numberOfShares.plus(lot.getQuantity());
        }


        return numberOfShares;
    }

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        validator = factory.getValidator();
    }


    @Test
    public void testOrderIsTooSmall() {
        Order order = new Order(new DecimalQuantity());


        Set<ConstraintViolation<Order>> constraintViolations =
            validator.validate(order);


        Assert.assertEquals(constraintViolations.size(), 1);

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            VIOLATION_MESSAGE);
    }


    @Test
    public void testOrderIsCorrectSize() {
        Order order = new Order(new DecimalQuantity("1"));


        Set<ConstraintViolation<Order>> constraintViolations =
            validator.validate(order);


        Assert.assertEquals(constraintViolations.size(), 0);

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    @Test
    public void testOrderMarshalUnmarshal() throws JAXBException, IOException {


        // Create an order
        Order order = new Order(new DecimalQuantity("10.2"));


        // Write it out as XML
        JAXBContext jaxbContext = JAXBContext.newInstance(Order.class);
        StringWriter writer = new StringWriter();
        Marshaller marshaller = jaxbContext.createMarshaller();

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        return quantity.minus(getCumQty());
    }
    
    @Transient
    public DecimalQuantity getCumQty() {
        DecimalQuantity cumQty = new DecimalQuantity();
        for (Execution execution : executions) {
            cumQty = cumQty.plus(execution.getQuantity());
        }
        return cumQty; 
    }

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            return new Money("0.00");
        }


        // Calculate weighted average
        Money totalPrice = new Money("0.00");
        DecimalQuantity totalQuantity = new DecimalQuantity();
        for (Execution execution : executions) {
            totalPrice = totalPrice.plus(
                    execution.getPrice().times(execution.getQuantity()));
            totalQuantity = totalQuantity.plus(execution.getQuantity());
        }
        totalPrice = totalPrice.scaleToCurrency();
        return totalPrice.div(totalQuantity, Constants.PRICE_SCALE);
    }

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org.archfirst.bfexch.infra.fixtrading.converters.LastQtyConverter

org.archfirst.bfexch.infra.fixtrading.converters.LeavesQtyConverter

org.archfirst.bfexch.infra.fixtrading.converters.OrderQuantityConverter

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org.archfirst.bfexch.spec.matchingengine.MatchingEngineBaseTest

org.archfirst.bfexch.spec.matchingengine.MatchingEngineBaseTest$ExecutionReportOut

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