org.apache.ode.jacob.soup

Interface ExecutionQueue

All Known Implementing Classes:

ExecutionQueueImpl

public interface ExecutionQueue

The soup, the reactive "broth" that underlies the JACOB system. The ExecutionQueue implementation is responsible for implementing the JACOB reactive rules and maintaining the state of the reactive broth.

Author:

Maciej Szefler mbs

Method Summary

Modifier and Type	Method and Description
void	add(CommChannel channel)
void	add(CommGroup group)
CommChannel	consumeExport(java.lang.String exportId)
java.lang.String	createExport(CommChannel channel)
int	cycle()
Continuation	dequeueReaction()
void	dumpState(java.io.PrintStream err)
void	enqueueReaction(Continuation continuation) Add a continuation to the broth.
void	flush()
boolean	hasReactions() Are there any reactions that can be executed in the broth?
boolean	isComplete()
void	setClassLoader(java.lang.ClassLoader classLoader)
void	setReplacementMap(ReplacementMap replacementMap)

Method Detail

hasReactions

boolean hasReactions()

Are there any reactions that can be executed in the broth?

Returns:

true if there are "enabled" reactions

enqueueReaction

void enqueueReaction(Continuation continuation)

Add a continuation to the broth. This operation is sometimes referred to as an "injection"; it can be used to inject into the broth the "original" continuation.

Parameters:

continuation - the Continuation to add to the broth

dequeueReaction

Continuation dequeueReaction()

add

void add(CommChannel channel)

add

void add(CommGroup group)

createExport

java.lang.String createExport(CommChannel channel)

consumeExport

CommChannel consumeExport(java.lang.String exportId)

cycle

int cycle()

flush

void flush()

setClassLoader

void setClassLoader(java.lang.ClassLoader classLoader)

setReplacementMap

void setReplacementMap(ReplacementMap replacementMap)

isComplete

boolean isComplete()

dumpState

void dumpState(java.io.PrintStream err)