Engine.VarCollector

java.lang.Object
- org.apache.commons.jexl3.internal.Engine.VarCollector

Enclosing class:: Engine

protected static class Engine.VarCollector
extends java.lang.Object

Utility class to collect variables.

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) int`	`mode`	Whether constant array-access is considered equivalent to dot-access; if so, > 1 means collect any constant (set,map,...) instead of just strings and numbers.
`private java.util.List<java.lang.String>`	`ref`	The current variable being collected.
`private java.util.Set<java.util.List<java.lang.String>>`	`refs`	The collected variables represented as a set of list of strings.
`private JexlNode`	`root`	The node that started the collect.

Constructor Summary

Constructors
Modifier Constructor Description

protected VarCollector(int constaa)
Constructs a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(java.lang.String name)`	Adds a 'segment' to the variable being collected.
`void`	`collect(JexlNode node)`	Starts/stops a variable collect.
`java.util.Set<java.util.List<java.lang.String>>`	`collected()`
`boolean`	`isCollecting()`

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

- Field Detail
  - refs
```
private final java.util.Set<java.util.List<java.lang.String>> refs
```
    The collected variables represented as a set of list of strings.
  - ref
```
private java.util.List<java.lang.String> ref
```
    The current variable being collected.
  - root
```
private JexlNode root
```
    The node that started the collect.
  - mode
```
final int mode
```
    Whether constant array-access is considered equivalent to dot-access; if so, > 1 means collect any constant (set,map,...) instead of just strings and numbers.
- Constructor Detail
  - VarCollector
```
protected VarCollector(int constaa)
```
    Constructs a new instance.
    
    Parameters:
    
    constaa - whether constant array-access is considered equivalent to dot-access
- Method Detail
  - add
```
public void add(java.lang.String name)
```
    Adds a 'segment' to the variable being collected.
    
    Parameters:
    
    name - the name
  - collect
```
public void collect(JexlNode node)
```
    Starts/stops a variable collect.
    
    Parameters:
    
    node - starts if not null, stop if null
  - collected
```
public java.util.Set<java.util.List<java.lang.String>> collected()
```
    Returns:
    
    the collected variables
  - isCollecting
```
public boolean isCollecting()
```
    Returns:
    
    true if currently collecting a variable, false otherwise