org.apache.ode.jacob.vpu
Class ExecutionQueueImpl

java.lang.Object
  org.apache.ode.jacob.vpu.ExecutionQueueImpl

All Implemented Interfaces:

ExecutionQueue

public class ExecutionQueueImpl
extends java.lang.Object
implements ExecutionQueue

A fast, in-memory ExecutionQueue implementation.

Nested Class Summary

class

ExecutionQueueImpl.ExecutionQueueInputStream

Field Summary

static java.util.concurrent.ConcurrentHashMap<java.lang.String,java.io.ObjectStreamClass>

_classDescriptors

Constructor Summary

ExecutionQueueImpl(java.lang.ClassLoader classLoader)

Method Summary

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 ps)
void	enqueueReaction(Continuation continuation) Add a continuation to the broth.
void	flush()
java.io.Serializable	getGlobalData()
java.util.Map<java.lang.Object,java.util.LinkedList<IndexedObject>>	getIndex()
boolean	hasReactions() Are there any reactions that can be executed in the broth?
boolean	isComplete()
void	read(java.io.InputStream iis)
void	setClassLoader(java.lang.ClassLoader classLoader)
void	setGlobalData(java.io.Serializable data)
void	setReplacementMap(ReplacementMap replacementMap)
void	write(java.io.OutputStream oos)

Methods inherited from class java.lang.Object

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

Field Detail

_classDescriptors

public static java.util.concurrent.ConcurrentHashMap<java.lang.String,java.io.ObjectStreamClass> _classDescriptors

Constructor Detail

ExecutionQueueImpl

public ExecutionQueueImpl(java.lang.ClassLoader classLoader)

Method Detail

setClassLoader

public void setClassLoader(java.lang.ClassLoader classLoader)

Specified by:

setClassLoader in interface ExecutionQueue

setReplacementMap

public void setReplacementMap(ReplacementMap replacementMap)

Specified by:

setReplacementMap in interface ExecutionQueue

getIndex

public java.util.Map<java.lang.Object,java.util.LinkedList<IndexedObject>> getIndex()

add

public void add(CommChannel channel)

Specified by:

add in interface ExecutionQueue

enqueueReaction

public void enqueueReaction(Continuation continuation)

Description copied from interface: ExecutionQueue

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.

Specified by:

enqueueReaction in interface ExecutionQueue

Parameters:

continuation - the Continuation to add to the broth

dequeueReaction

public Continuation dequeueReaction()

Specified by:

dequeueReaction in interface ExecutionQueue

add

public void add(CommGroup group)

Specified by:

add in interface ExecutionQueue

cycle

public int cycle()

Specified by:

cycle in interface ExecutionQueue

createExport

public java.lang.String createExport(CommChannel channel)

Specified by:

createExport in interface ExecutionQueue

consumeExport

public CommChannel consumeExport(java.lang.String exportId)

Specified by:

consumeExport in interface ExecutionQueue

hasReactions

public boolean hasReactions()

Description copied from interface: ExecutionQueue

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

Specified by:

hasReactions in interface ExecutionQueue

Returns:

true if there are "enabled" reactions

flush

public void flush()

Specified by:

flush in interface ExecutionQueue

read

public void read(java.io.InputStream iis)
          throws java.io.IOException,
                 java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

write

public void write(java.io.OutputStream oos)
           throws java.io.IOException

Throws:

java.io.IOException

isComplete

public boolean isComplete()

Specified by:

isComplete in interface ExecutionQueue

dumpState

public void dumpState(java.io.PrintStream ps)

Specified by:

dumpState in interface ExecutionQueue

setGlobalData

public void setGlobalData(java.io.Serializable data)

getGlobalData

public java.io.Serializable getGlobalData()