Variable (Web-Harvest Core 2.1.0 API)

java.lang.Object
- org.webharvest.runtime.variables.Variable

Direct Known Subclasses:

EmptyVariable, ListVariable, NodeVariable
```
public abstract class Variable
extends Object
```
Variables Interface.

Constructor Summary

Constructors
Constructor Description

Variable()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract Object`	`getWrappedObject()`
`abstract boolean`	`isEmpty()`
`Object[]`	`toArray()`	Safely converts this variable to array of objects.
`abstract byte[]`	`toBinary()`
`abstract byte[]`	`toBinary(String charset)`
`boolean`	`toBoolean()`	Safely converts this variable to boolean value.
`double`	`toDouble()`	Safely converts this variable to double value.
`int`	`toInt()`	Safely converts this variable to integer value.
`abstract Iterator`	`toIterator()`
`abstract List<Variable>`	`toList()`
`long`	`toLong()`	Safely converts this variable to long value.
`abstract String`	`toString()`
`abstract String`	`toString(String charset)`

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

- Constructor Detail
  - Variable
```
public Variable()
```
- Method Detail
  - toBinary
```
public abstract byte[] toBinary()
```
  - toBinary
```
public abstract byte[] toBinary(String charset)
```
  - toString
```
public abstract String toString()
```
    Overrides:
    
    toString in class Object
  - toString
```
public abstract String toString(String charset)
```
  - toList
```
public abstract List<Variable> toList()
```
  - isEmpty
```
public abstract boolean isEmpty()
```
  - getWrappedObject
```
public abstract Object getWrappedObject()
```
  - toBoolean
```
public boolean toBoolean()
```
    Safely converts this variable to boolean value.
    
    Returns:
    
    boolean value
  - toInt
```
public int toInt()
```
    Safely converts this variable to integer value.
    
    Returns:
    
    int value
  - toLong
```
public long toLong()
```
    Safely converts this variable to long value.
    
    Returns:
    
    long value
  - toDouble
```
public double toDouble()
```
    Safely converts this variable to double value.
    
    Returns:
    
    double value
  - toArray
```
public Object[] toArray()
```
    Safely converts this variable to array of objects.
    
    Returns:
    
    array of objects
  - toIterator
```
public abstract Iterator toIterator()
```