org.eclipse.viatra.query.runtime.rete.network

Class CommunicationGroup

java.lang.Object

org.eclipse.viatra.query.runtime.rete.network.CommunicationGroup

All Implemented Interfaces:

java.lang.Comparable<CommunicationGroup>

Direct Known Subclasses:

CommunicationGroup.Recursive, CommunicationGroup.Singleton

public abstract class CommunicationGroup
extends java.lang.Object
implements java.lang.Comparable<CommunicationGroup>

A communication group represents a set of nodes in the communication graph that form a strongly connected component.

Since:

1.6

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CommunicationGroup.Recursive A communication group representing either (1) a single node where the node is a monotonicity aware one (2) a set of nodes that form an SCC
static class	CommunicationGroup.Singleton A communication group containing only a single node with a single default mailbox.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	identifier May be changed during bumping in CommunicationTracker.registerDependency
boolean	isEnqueued Marker for the CommunicationTracker
protected Node	representative

Constructor Summary

Constructors

Constructor and Description
CommunicationGroup(Node representative, int identifier)

Method Summary

Modifier and Type	Method and Description
abstract void	addRederivable(RederivableNode node)
int	compareTo(CommunicationGroup that)
abstract void	deliverMessages()
boolean	equals(java.lang.Object obj)
abstract java.util.Map<MessageKind,java.util.Collection<Mailbox>>	getMailboxes()
abstract java.util.Collection<RederivableNode>	getRederivables()
Node	getRepresentative()
int	hashCode()
abstract boolean	isEmpty()
abstract void	notifyHasMessage(Mailbox mailbox, MessageKind kind)
abstract void	notifyLostAllMessages(Mailbox mailbox, MessageKind kind)
abstract void	removeRederivable(RederivableNode node)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

isEnqueued

public boolean isEnqueued

Marker for the CommunicationTracker

representative

protected final Node representative

identifier

protected int identifier

May be changed during bumping in CommunicationTracker.registerDependency

Constructor Detail

CommunicationGroup

public CommunicationGroup(Node representative,
                          int identifier)

Method Detail

deliverMessages

public abstract void deliverMessages()

getRepresentative

public Node getRepresentative()

isEmpty

public abstract boolean isEmpty()

notifyLostAllMessages

public abstract void notifyLostAllMessages(Mailbox mailbox,
                                           MessageKind kind)

notifyHasMessage

public abstract void notifyHasMessage(Mailbox mailbox,
                                      MessageKind kind)

addRederivable

public abstract void addRederivable(RederivableNode node)

removeRederivable

public abstract void removeRederivable(RederivableNode node)

getMailboxes

public abstract java.util.Map<MessageKind,java.util.Collection<Mailbox>> getMailboxes()

getRederivables

public abstract java.util.Collection<RederivableNode> getRederivables()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(CommunicationGroup that)

Specified by:

compareTo in interface java.lang.Comparable<CommunicationGroup>