public Observable<OrderEvent> observeClose(final ClosePositionParams closePositionParams) {
return Observable.defer(
() -> {
final Collection<IOrder> ordersToClose =
ordersForPositionClose.forMode(closePositionParams);
return ordersToClose.size() > 0
? batchChangeTask.close(ordersToClose, closePositionParams)
: Observable.empty();
});
}
private Observable<OrderEvent> observeMergeForFilledOrders(
final ClosePositionParams closePositionParams) {
return Observable.defer(
() -> {
final Collection<IOrder> filledOrders =
ordersForPositionClose.filled(closePositionParams.instrument());
return filledOrders.size() > 1
? mergePositionTask.merge(filledOrders, closePositionParams.mergePositionParams())
: Observable.empty();
});
}
public Observable<OrderEvent> observeMerge(final ClosePositionParams closePositionParams) {
return closePositionParams.closeExecutionMode() == CloseExecutionMode.CloseOpened
? Observable.empty()
: observeMergeForFilledOrders(closePositionParams);
}