Package com.strategyquant.tradinglib

Interface IFormula

public interface IFormula

Formula Interface - has methods to call actions over formula.

Method Summary

Modifier and Type	Method	Description
double	evaluateFormula(StrategyBase strategy, String symbol, double price, int direction)	Evaluate formula.
boolean	isBooleanValue()	Checks if is boolean value.
boolean	isNoneValue()	Checks if is none value.
IFormula	newFormulaInstance(StrategyBase strategy, org.jdom2.Element elFormulaBlock)	New formula instance.

Method Details

evaluateFormula

double evaluateFormula(StrategyBase strategy,
 String symbol,
 double price,
 int direction)
                throws TradingException

Evaluate formula.

Parameters:

strategy - the strategy

symbol - the symbol

price - the price

direction - the direction

Returns:

the double

Throws:

TradingException - the trading exception

newFormulaInstance

IFormula newFormulaInstance(StrategyBase strategy,
 org.jdom2.Element elFormulaBlock)
                     throws BlockDefinitionException

New formula instance.

Parameters:

strategy - the strategy

elFormulaBlock - the el formula block

Returns:

the i formula

Throws:

BlockDefinitionException - the block definition exception

isNoneValue

boolean isNoneValue()

Checks if is none value.

Returns:

true, if is none value

isBooleanValue

boolean isBooleanValue()

Checks if is boolean value.

Returns:

true, if is boolean value