I have a question in regards to getRequestedAmount and getAmount

If I'm doing partial closes in multiple steps - will those methods return different values after each partial close request / fill ?

Scenario Example
Step 1:
Open a trade with 10,000 amount.

Step 2:

Close 2,000

onMessage: FILL_OK

getAmount = ? getRequestedAmount = ?

Step 3:

Close 8,000

onMessage: FILL_OK

getAmount = ? getRequestedAmount = ?


can you please elaborate? From the javadoc it is not clear.

The messages that you receive are: IMessage.Type.ORDER_CLOSE_OK, this is according to https://www.dukascopy.com/wiki/#Orders_o ... es_diagram
For checking amounts please consider changing in the partial close example message logging in onBar method to the following:

print(String.format("%s closePrice=%.5f, amount=%.3f, requestedAmount=%.3f, closeTime=%s, state=%s", 
   order.getLabel(), order.getClosePrice(), order.getAmount(), order.getRequestedAmount(), 
   sdf.format(order.getCloseTime()), order.getState()));

I did what you told me but I'm still confused.

getRequestedAmount - will it return different values during the life time of the position? for example - if I perform multiple partial close - will it return different values?

getAmount -should it always return the remaining amount that is not filled PER request? so if multiple partial close operations are done, is it possible to receive multiple zero values PER request?

No, the value is relevant when you consider partial fill, not partial close. If the order was filled in full then amount and requested amount will match regardless of what kind of close operations you perform on the order.
Presumably you meant - amount that is not closed. When order is in state FILLED IOrder.getAmount() returns the remaining amount of the order, at any point in time, regardless of close amounts and their repetitions.
Order can't have IOrder.getAmount() = 0, since

• Order can't get filled with 0 amount.
• If after close operation the order amount is 0, then it has status CLOSED.

In that case -

When performing a partial close. How should one check that the partial close was committed successfully?

Initial Order is for 1M

Order is in status FILLED and IOrder.getRequestedAmount() == IOrder.getAmount()

Now - I perform a Partial Close.

How can I tell if the partial close was fully executed at the ECN ?

On successful close: You receive ORDER_CLOSE_OK message, order amount changes, order close time and very likely that order close price does change.
On failed close: You receive ORDER_CLOSE_REJECTED message and the other parameters stay the same.
By checking IOrder.getAmount() after you receive ORDER_CLOSE_OK message.
The aforementioned Partial close example strategy lets you test almost all of these cases (with exception of ORDER_CLOSE_REJECTED and partial close only partially executed).

thank you support for the clarifications.

After rethinking - I find it more suitable to check the state of the order at the IStrategy.onMessage() and only after that inspect the message type.

So here is the pseudo:

onMessage:
-> if IMessage.getOrder() != null
--> check IOrder.getState()
--> for each possible IOrder.State handle according to IMessage.getType() and other specific logic (including IOrder.getAmount(), IOrder.getRequestedAmount() etc.)