Node.Variable (hydra-kernel 0.17.6 API)

java.lang.Object
- hydra.query.Node
- - hydra.query.Node.Variable

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Node>

Enclosing class:

Node
```
public static final class Node.Variable
extends Node
implements java.io.Serializable
```
A query variable, not to be confused with a variable term

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class hydra.query.Node
  Node.PartialVisitor<R>, Node.Term, Node.Variable, Node.Visitor<R>, Node.Wildcard

Field Summary

Fields
Modifier and Type Field Description

Variable value
- Fields inherited from class hydra.query.Node
  TERM, TYPE_, VARIABLE, WILDCARD

Constructor Summary

Constructors
Constructor Description

Variable(Variable value)
Constructs an immutable Node.Variable.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> R`	`accept(Node.Visitor<R> visitor)`	Dispatch to `visitor`.
`int`	`compareTo(Node other)`
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`int`	`hydraOrdinal()`
`java.lang.String`	`toString()`

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

- Field Detail
  - value
```
public final Variable value
```
- Constructor Detail
  - Variable
```
public Variable(Variable value)
```
    Constructs an immutable Node.Variable.
- Method Detail
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - compareTo
```
public int compareTo(Node other)
```
    Specified by:
    
    compareTo in interface java.lang.Comparable<Node>
  - hydraOrdinal
```
public int hydraOrdinal()
```
    Specified by:
    
    hydraOrdinal in class Node
  - accept
```
public <R> R accept(Node.Visitor<R> visitor)
```
    Dispatch to visitor.
    
    Specified by:
    
    accept in class Node