VariableExpressionNode (singa-simulation 0.7.0 API)

java.lang.Object
- uk.co.cogitolearning.cogpar.VariableExpressionNode

All Implemented Interfaces:

ExpressionNode
```
public class VariableExpressionNode
extends Object
implements ExpressionNode
```
An ExpressionNode that stores a named variable

Field Summary
- Fields inherited from interface uk.co.cogitolearning.cogpar.ExpressionNode
  ADDITION_NODE, CONSTANT_NODE, EXPONENTIATION_NODE, FUNCTION_NODE, MULTIPLICATION_NODE, VARIABLE_NODE

Constructor Summary

Constructors
Constructor Description

VariableExpressionNode(String name)
Construct with the name of the variable.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(ExpressionNodeVisitor visitor)`	Implementation of the visitor design pattern.
`String`	`getName()`
`int`	`getType()`	Returns the type of the node, in this case ExpressionNode.VARIABLE_NODE
`double`	`getValue()`	Returns the value of the variable but throws an exception if the value has not been set
`void`	`setValue(double value)`	Sets the value of the variable

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

- Constructor Detail
  - VariableExpressionNode
```
public VariableExpressionNode(String name)
```
    Construct with the name of the variable.
    
    Parameters:
    
    name - the name of the variable
- Method Detail
  - getName
```
public String getName()
```
    Returns:
    
    the name of the variable
  - getType
```
public int getType()
```
    Returns the type of the node, in this case ExpressionNode.VARIABLE_NODE
    
    Specified by:
    
    getType in interface ExpressionNode
    
    Returns:
    
    type of the node
  - getValue
```
public double getValue()
```
    Returns the value of the variable but throws an exception if the value has not been set
    
    Specified by:
    
    getValue in interface ExpressionNode
    
    Returns:
    
    value of expression
  - setValue
```
public void setValue(double value)
```
    Sets the value of the variable
    
    Parameters:
    
    value - the value of the variable
  - accept
```
public void accept(ExpressionNodeVisitor visitor)
```
    Implementation of the visitor design pattern. Calls visit on the visitor.
    
    Specified by:
    
    accept in interface ExpressionNode
    
    Parameters:
    
    visitor - the visitor