org.nhindirect.policy.impl.machine

Class StackMachine

java.lang.Object

org.nhindirect.policy.impl.machine.StackMachine

All Implemented Interfaces:

ExecutionEngine

public class StackMachine
extends java.lang.Object
implements ExecutionEngine

Implementation of the ExecutionEngine interface that is implemented using a simple stack machine. This engine takes Opcodes generated by the StackMachineCompiler.

Since:

1.0

Author:

Greg Meyer

Constructor Summary

Constructors

Constructor and Description
StackMachine() Default constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.Boolean	evaluate(java.util.Vector<Opcode> opcodes)

Methods inherited from class java.lang.Object

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

Constructor Detail

StackMachine

public StackMachine()

Default constructor.

Method Detail

evaluate

public java.lang.Boolean evaluate(java.util.Vector<Opcode> opcodes)
                           throws PolicyProcessException

Specified by:

evaluate in interface ExecutionEngine

Throws:

PolicyProcessException