edu.ucdavis.rj

Class Co

java.lang.Object

edu.ucdavis.rj.Co

public class Co
extends java.lang.Object

Like JR's co statement.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.ArrayList<CoArm>	arms

Constructor Summary

Constructors

Constructor and Description
Co(CoArm firstArm, CoArm... restArms) Create a new instance of an Co.

Method Summary

Modifier and Type	Method and Description
private void	createCo(CoArm firstArm, CoArm... restArms) Common code called from constructors to create a new instance of an Co.
BaseArmCode.Control	go() Execute this co.
private void	oneCoArm(CoArm a, int armCount) Handle one abstract arm for this Co.

Methods inherited from class java.lang.Object

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

Field Detail

arms

java.util.ArrayList<CoArm> arms

Constructor Detail

Co

public Co(CoArm firstArm,
          CoArm... restArms)

Create a new instance of an Co.

Parameters:

firstArm - The first arm.

restArms - Any other arms.

Method Detail

createCo

private void createCo(CoArm firstArm,
                      CoArm... restArms)

Common code called from constructors to create a new instance of an Co.

Parameters:

firstArm - The first arm.

restArms - Any other arms.

oneCoArm

private void oneCoArm(CoArm a,
                      int armCount)

Handle one abstract arm for this Co.

Parameters:

a - The arm.

armCount - The arm's number (0-based).

go

public BaseArmCode.Control go()

Execute this co. Perform all invocations specified in this co's arms. A COCALL invocation completes when get reply from invoked operation. A COSEND invocation completes immediately after invocation is sent. As each invocation completes, execute the associated arm's code ("post-processing code", aka PPC); continue doing so until all invocations have or a PPC executes the equivalent of a break or return.

Returns:

control flow value executed by last PPC.