FunctionLib (PDI Engine 10.0.0.1-249 API)

java.lang.Object
- org.pentaho.libformula.editor.function.FunctionLib

```
public class FunctionLib
extends Object
```

Constructor Summary

Constructors
Constructor Description

FunctionLib(String filename)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String[]`	`getFunctionCategories()`
`FunctionDescription`	`getFunctionDescription(String functionName)`
`String[]`	`getFunctionNames()`
`List<FunctionDescription>`	`getFunctions()`
`String[]`	`getFunctionsForACategory(String category)`	Get all the function names for a certain category
`void`	`setFunctions(List<FunctionDescription> functions)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FunctionLib
```
public FunctionLib(String filename)
            throws org.pentaho.di.core.exception.KettleXMLException
```
    Throws:
    
    org.pentaho.di.core.exception.KettleXMLException
- Method Detail
  - getFunctions
```
public List<FunctionDescription> getFunctions()
```
    Returns:
    
    the functions
  - setFunctions
```
public void setFunctions(List<FunctionDescription> functions)
```
    Parameters:
    
    functions - the functions to set
  - getFunctionNames
```
public String[] getFunctionNames()
```
    Returns:
    
    A sorted array of function names, extracted from the function descriptions...
  - getFunctionCategories
```
public String[] getFunctionCategories()
```
    Returns:
    
    A sorted array of unique categories, extracted from the function descriptions...
  - getFunctionsForACategory
```
public String[] getFunctionsForACategory(String category)
```
    Get all the function names for a certain category
    
    Parameters:
    
    category - the category name to look for
    
    Returns:
    
    the sorted array of function names for the specified category
  - getFunctionDescription
```
public FunctionDescription getFunctionDescription(String functionName)
```
    Parameters:
    
    functionName - the name of the function to look for
    
    Returns:
    
    the corresponding function description or null if nothing was found.