org.agilewiki.jactor.simpleMachine

Class SimpleMachine

java.lang.Object

org.agilewiki.jactor.simpleMachine.SimpleMachine

public class SimpleMachine
extends Object

A state machine.

Field Summary

Fields

Modifier and Type	Field and Description
Object	request The (optional) argument passed when the state machine was invoked.

Constructor Summary

Constructors

Constructor and Description
SimpleMachine(_SMBuilder smBuilder) Create a StateMachine.

Method Summary

Methods

Modifier and Type	Method and Description
void	execute(Object request, RP rp) Executes the state machine.
Object	get(Object resultName) Returns a partial result.
void	go(String label) Update the program counter with the index assigned to a label.
void	put(String resultName, Object result) Save a parial result.
void	send(Actor actor, Request request, RP rp) Send a request to an actor.

Methods inherited from class java.lang.Object

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

Field Detail

request

public Object request

The (optional) argument passed when the state machine was invoked.

Constructor Detail

SimpleMachine

public SimpleMachine(_SMBuilder smBuilder)

Create a StateMachine.

Parameters:

smBuilder - The state machine builder which defines the operations of this state machine.

Method Detail

execute

public void execute(Object request,
           RP rp)
             throws Exception

Executes the state machine.

Parameters:

request - An optional argument passed when the state machine is invoked.

rp - The response processor.

Throws:

Exception - Any exceptions raised while executing the state machine.

get

public final Object get(Object resultName)

Returns a partial result.

Parameters:

resultName - The name of the partial result.

Returns:

A partial result.

put

public final void put(String resultName,
       Object result)

Save a parial result.

Parameters:

resultName - The name of the result.

result - The result.

send

public void send(Actor actor,
        Request request,
        RP rp)
          throws Exception

Send a request to an actor.

Parameters:

actor - The target actor.

request - The request.

rp - The response processor.

Throws:

Exception - Any uncaught exceptions raised while processing the request.

go

public void go(String label)
        throws IllegalArgumentException

Update the program counter with the index assigned to a label.

Parameters:

label - A lable assigned to an index into the operations.

Throws:

IllegalArgumentException - Thrown if no value was assigned to the label.