org.protelis.vm

Class ProtelisVM

java.lang.Object

org.protelis.vm.ProtelisVM

public class ProtelisVM
extends java.lang.Object

A virtual machine for executing a Protelis program on a particular device (context).

Field Summary

Fields

Modifier and Type	Field and Description
private ExecutionContext	ctx
private ProtelisProgram	prog

Constructor Summary

Constructors

Constructor and Description
ProtelisVM(ProtelisProgram program, ExecutionContext context) Create a virtual machine for executing a Protelis program in a particular context.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getCurrentValue() Return the value computed in the most recent execution cycle.
void	runCycle() Run one execution cycle of the VM, in which the computation is run atomically against the most recent neighbor and environment information, producing a new state to be committed to the environment and sent to neighbors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

prog

private final ProtelisProgram prog

ctx

private final ExecutionContext ctx

Constructor Detail

ProtelisVM

public ProtelisVM(ProtelisProgram program,
                  ExecutionContext context)

Create a virtual machine for executing a Protelis program in a particular context.

Parameters:

program - Protelis program to be executed

context - Environment in which this program will be executed

Method Detail

runCycle

public void runCycle()

Run one execution cycle of the VM, in which the computation is run atomically against the most recent neighbor and environment information, producing a new state to be committed to the environment and sent to neighbors.

getCurrentValue

public java.lang.Object getCurrentValue()

Return the value computed in the most recent execution cycle.

Returns:

Last value computed