org.eclipse.viatra.query.runtime.api

Class MatchUpdateAdapter<Match extends IPatternMatch>

java.lang.Object

org.eclipse.viatra.query.runtime.api.MatchUpdateAdapter<Match>

All Implemented Interfaces:

IMatchUpdateListener<Match>

public class MatchUpdateAdapter<Match extends IPatternMatch>
extends java.lang.Object
implements IMatchUpdateListener<Match>

A default implementation of IMatchUpdateListener that contains two match processors, one for appearance, one for disappearance. Any of the two can be null; in this case, corresponding notifications will be ignored.

Instantiate using either constructor.

Constructor Summary

Constructors

Constructor and Description
MatchUpdateAdapter() Constructs an instance without any match processors registered yet.
MatchUpdateAdapter(IMatchProcessor<Match> appearCallback, IMatchProcessor<Match> disappearCallback) Constructs an instance by specifying match processors.

Method Summary

Modifier and Type	Method and Description
IMatchProcessor<Match>	getAppearCallback()
IMatchProcessor<Match>	getDisappearCallback()
void	notifyAppearance(Match match) Will be invoked on each new match that appears.
void	notifyDisappearance(Match match) Will be invoked on each existing match that disappears.
void	setAppearCallback(IMatchProcessor<Match> appearCallback)
void	setDisappearCallback(IMatchProcessor<Match> disappearCallback)

Methods inherited from class java.lang.Object

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

Constructor Detail

MatchUpdateAdapter

public MatchUpdateAdapter()

Constructs an instance without any match processors registered yet. Use setAppearCallback(IMatchProcessor) and setDisappearCallback(IMatchProcessor) to specify optional match processors for match appearance and disappearance, respectively.

MatchUpdateAdapter

public MatchUpdateAdapter(IMatchProcessor<Match> appearCallback,
                          IMatchProcessor<Match> disappearCallback)

Constructs an instance by specifying match processors.

Parameters:

appearCallback - a match processor that will be invoked on each new match that appears. If null, no callback will be executed on match appearance. See IMatchProcessor for details on how to implement.

disappearCallback - a match processor that will be invoked on each existing match that disappears. If null, no callback will be executed on match disappearance. See IMatchProcessor for details on how to implement.

Method Detail

getAppearCallback

public IMatchProcessor<Match> getAppearCallback()

Returns:

the match processor that will be invoked on each new match that appears. If null, no callback will be executed on match appearance.

setAppearCallback

public void setAppearCallback(IMatchProcessor<Match> appearCallback)

Parameters:

appearCallback - a match processor that will be invoked on each new match that appears. If null, no callback will be executed on match appearance. See IMatchProcessor for details on how to implement.

getDisappearCallback

public IMatchProcessor<Match> getDisappearCallback()

Returns:

the match processor that will be invoked on each existing match that disappears. If null, no callback will be executed on match disappearance.

setDisappearCallback

public void setDisappearCallback(IMatchProcessor<Match> disappearCallback)

Parameters:

disappearCallback - a match processor that will be invoked on each existing match that disappears. If null, no callback will be executed on match disappearance. See IMatchProcessor for details on how to implement.

notifyAppearance

public void notifyAppearance(Match match)

Description copied from interface: IMatchUpdateListener

Will be invoked on each new match that appears.

Specified by:

notifyAppearance in interface IMatchUpdateListener<Match extends IPatternMatch>

Parameters:

match - the match that has just appeared.

notifyDisappearance

public void notifyDisappearance(Match match)

Description copied from interface: IMatchUpdateListener

Will be invoked on each existing match that disappears.

Specified by:

notifyDisappearance in interface IMatchUpdateListener<Match extends IPatternMatch>

Parameters:

match - the match that has just disappeared.