IRule (cdk 2.9 API)

All Known Implementing Classes:

ChargeRule, ElementRule, IsotopePatternRule, MMElementRule, NitrogenRule, RDBERule, ToleranceRangeRule
```
public interface IRule
```
Interface which groups all method that validate a IMolecularFormula.

Author:

miguelrojasch

Source code:
main

Belongs to CDK module:
formula

Created on:

2007-11-20

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Object[]`	`getParameters()`	Returns the current parameter values.
`void`	`setParameters(Object[] params)`	Sets the parameters for this rule.
`double`	`validate(IMolecularFormula formula)`	Analyze the validity for the given IMolecularFormula.

- Method Detail
  - setParameters
```
void setParameters(Object[] params)
            throws CDKException
```
    Sets the parameters for this rule. Must be done before calling calculate as the parameters influence the validation outcome.
    
    Parameters:
    
    params - An array of Object containing the parameters for this rule
    
    Throws:
    
    CDKException - if invalid number of type of parameters are passed to it
    
    See Also:
    
    getParameters()
  - getParameters
```
Object[] getParameters()
```
    Returns the current parameter values.
    
    Returns:
    
    An array of Object containing the parameter values
    
    See Also:
    
    setParameters(java.lang.Object[])
  - validate
```
double validate(IMolecularFormula formula)
         throws CDKException
```
    Analyze the validity for the given IMolecularFormula.
    
    Parameters:
    
    formula - An IMolecularFormula for which this rule should be analyzed
    
    Returns:
    
    A double value between 0 and 1. 1 meaning 100% valid and 0 not valid
    
    Throws:
    
    CDKException - if an error occurs during the validation. See documentation for individual rules