FunctionNode (Camunda Platform Javadocs 7.16.18-ee)

All Superinterfaces:

Node

All Known Implementing Classes:

AstFunction
```
public interface FunctionNode
extends Node
```
Function node interface.

Author:

Christoph Beck

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getIndex()`	Get the unique index of this identifier in the expression (e.g.
`java.lang.String`	`getName()`	Get the full function name
`int`	`getParamCount()`	Get the number of parameters for this function
`boolean`	`isVarArgs()`

Methods inherited from interface org.camunda.bpm.engine.impl.juel.Node
getCardinality, getChild

- Method Detail
  - getName
```
java.lang.String getName()
```
    Get the full function name
  - getIndex
```
int getIndex()
```
    Get the unique index of this identifier in the expression (e.g. preorder index)
  - getParamCount
```
int getParamCount()
```
    Get the number of parameters for this function
  - isVarArgs
```
boolean isVarArgs()
```
    Returns:
    
    true if this node supports varargs.