Constant (Protelis unspecified Javadoc API)

java.lang.Object
- org.protelis.lang.interpreter.impl.AbstractProtelisAST<T>
- - org.protelis.lang.interpreter.impl.Constant<T>

Type Parameters:

T - the type of the constant

All Implemented Interfaces:

java.io.Serializable, ProtelisAST<T>, WithBytecode

Direct Known Subclasses:

NumericConstant
```
public class Constant<T>
extends AbstractProtelisAST<T>
```
An arbitrary object-valued constant.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

Constant(Metadata metadata, T obj)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`T`	`evaluate(ExecutionContext context)`	Evaluates this AST node.
`Bytecode`	`getBytecode()`
`T`	`getConstantValue()`
`java.lang.String`	`getName()`
`java.lang.String`	`toString()`

Methods inherited from class org.protelis.lang.interpreter.impl.AbstractProtelisAST
branchesToString, branchesToString, eval, forEach, forEachWithIndex, getBranch, getBranches, getBranchesNumber, getMetadata, isNullable, stringFor

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

- Constructor Detail
  - Constant
```
public Constant(Metadata metadata,
                T obj)
```
    Parameters:
    
    metadata - A Metadata object containing information about the code that generated this AST node.
    
    obj - the constant to be associated
- Method Detail
  - evaluate
```
public final T evaluate(ExecutionContext context)
```
    Description copied from class: AbstractProtelisAST
    
    Evaluates this AST node. This method can throw any exception, AbstractProtelisAST takes care of storing the necessary metadata.
    
    Specified by:
    
    evaluate in class AbstractProtelisAST<T>
    
    Parameters:
    
    context - the execution context
    
    Returns:
    
    the result of the evaluation
  - getBytecode
```
public final Bytecode getBytecode()
```
    Returns:
    
    the element Bytecode
  - getName
```
public java.lang.String getName()
```
    Specified by:
    
    getName in interface ProtelisAST<T>
    
    Overrides:
    
    getName in class AbstractProtelisAST<T>
    
    Returns:
    
    The name of the operation
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class AbstractProtelisAST<T>
  - getConstantValue
```
public final T getConstantValue()
```
    Returns:
    
    the value associated to this constant