NodeOptional

Object
- NodeOptional

All Implemented Interfaces:

Serializable, Node
```
public class NodeOptional
extends Object
implements Node
```
See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

Node node

Constructor Summary

Constructors
Constructor Description

NodeOptional()

NodeOptional(Node n)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> R`	`accept(GJNoArguVisitor<R> v)`
`<R,A> R`	`accept(GJVisitor<R,A> v, A argu)`
`<A> void`	`accept(GJVoidVisitor<A> v, A argu)`
`void`	`accept(Visitor v)`
`void`	`addNode(Node n)`
`Node`	`getParent()`
`boolean`	`present()`
`void`	`setParent(Node n)`

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

Field Detail
- node
```
public Node node
```

Constructor Detail

NodeOptional
```
public NodeOptional()
```

NodeOptional
```
public NodeOptional(Node n)
```

Method Detail

addNode
```
public void addNode(Node n)
```

accept
```
public void accept(Visitor v)
```
Specified by:

accept in interface Node

accept

public <R,A> R accept(GJVisitor<R,A> v,
                            A argu)

Specified by:: accept in interface Node

accept

public <R> R accept(GJNoArguVisitor<R> v)

Specified by:: accept in interface Node

accept

public <A> void accept(GJVoidVisitor<A> v,
                       A argu)

Specified by:: accept in interface Node

present
```
public boolean present()
```

setParent
```
public void setParent(Node n)
```
Specified by:

setParent in interface Node

getParent
```
public Node getParent()
```
Specified by:

getParent in interface Node