Method isPostOnly

java/lib/src/main/java/io/github/ccxt/Exchange.java:12466–12500

(Object isMarketOrder, Object exchangeSpecificParam, Object... optionalArgs)

    }

    public Object isPostOnly(Object isMarketOrder, Object exchangeSpecificParam, Object... optionalArgs)
    {
        /**
        * @ignore
        * @method
        * @param {string} type Order type
        * @param {boolean} exchangeSpecificParam exchange specific postOnly
        * @param {object} [params] exchange specific params
        * @returns {boolean} true if a post only order, false otherwise
        */
        Object parameters = Helpers.getArg(optionalArgs, 0, new java.util.HashMap<String, Object>() {{}});
        Object timeInForce = this.safeStringUpper(parameters, "timeInForce");
        Object postOnly = this.safeBool2(parameters, "postOnly", "post_only", false);
        // we assume timeInForce is uppercase from safeStringUpper (params, 'timeInForce')
        Object ioc = Helpers.isEqual(timeInForce, "IOC");
        Object fok = Helpers.isEqual(timeInForce, "FOK");
        Object timeInForcePostOnly = Helpers.isEqual(timeInForce, "PO");
        postOnly = Helpers.isTrue(Helpers.isTrue(postOnly) || Helpers.isTrue(timeInForcePostOnly)) || Helpers.isTrue(exchangeSpecificParam);
        if (Helpers.isTrue(postOnly))
        {
            if (Helpers.isTrue(Helpers.isTrue(ioc) || Helpers.isTrue(fok)))
            {
                throw new InvalidOrder((String)Helpers.add(Helpers.add(this.id, " postOnly orders cannot have timeInForce equal to "), timeInForce)) ;
            } else if (Helpers.isTrue(isMarketOrder))
            {
                throw new InvalidOrder((String)Helpers.add(this.id, " market orders cannot be postOnly")) ;
            } else
            {
                return true;
            }
        } else
        {
            return false;
        }
    }

    public Object handlePostOnly(Object isMarketOrder, Object exchangeSpecificPostOnlyOption, Object... optionalArgs)
    {