/**
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright (C) 2007 Ronny Brandt (Ronny_Brandt@web.de). *
* All rights reserved. *
* *
* This work was done as a project at the Chair for Software Technology, *
* Dresden University Of Technology, Germany (http://st.inf.tu-dresden.de). *
* It is understood that any modification not identified as such is not *
* covered by the preceding statement. *
* *
* This work is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Library General Public License as published *
* by the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This work is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public *
* License for more details. *
* *
* You should have received a copy of the GNU Library General Public License *
* along with this library; if not, you can view it online at *
* http://www.fsf.org/licensing/licenses/gpl.html. *
* *
* To submit a bug report, send a comment, or get the latest news on this *
* project, please visit the website: http://dresden-ocl.sourceforge.net. *
* For more information on OCL and related projects visit the OCL Portal: *
* http://st.inf.tu-dresden.de/ocl *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
package org.dresdenocl.interpreter.internal;
import java.util.List;
import java.util.UUID;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.emf.ecore.EObject;
import org.dresdenocl.essentialocl.standardlibrary.OclAny;
import org.dresdenocl.interpreter.IInterpretationResult;
import org.dresdenocl.interpreter.IInterpreterRegistry;
import org.dresdenocl.interpreter.event.IInterpreterRegistryListener;
import org.dresdenocl.interpreter.event.IInterpreterTraceListener;
import org.dresdenocl.interpreter.event.internal.InterpreterRegistryEvent;
import org.dresdenocl.interpreter.event.internal.InterpreterTraceEvent;
import org.dresdenocl.modelinstancetype.types.IModelInstanceElement;
/**
* <p>
* This class implements the interface {@link IInterpreterRegistry} which
* provides the possble to add or get Listeners.
* </p>
*
* @author Ronny Brandt: First implementation.
* @author Claas Wilke: Refactored and Documented.
*/
public class InterpreterRegistry implements IInterpreterRegistry {
/** The listeners of this {@link InterpreterRegistry}. */
private ListenerList listeners;
/**
* The listeners {@link IInterpreterTraceListener} of this
* {@link InterpreterRegistry
*/
private ListenerList traceListeners;
public void addInterpreterTraceListener(IInterpreterTraceListener listener) {
getTraceListeners().add(listener);
}
/**
*
* TODO: Ronny: Document this
*/
public void removeInterpreterTraceListener(IInterpreterTraceListener listener) {
getTraceListeners().remove(listener);
}
public void fireInterpretationDepthIncreased(UUID guid) {
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Inform the listeners */
((IInterpreterTraceListener) listeners[i])
.interpretationTreeDepthIncreased(guid);
}
}
// no else.
}
/**
*
*/
public void fireInterpretationDepthDecreased() {
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Inform the listeners */
((IInterpreterTraceListener) listeners[i])
.interpretationTreeDepthDecreased();
}
}
// no else.
}
/**
*
*/
public void firePartialInterpretionResult(EObject expression, OclAny result,
UUID guid) {
InterpreterTraceEvent event;
event = null;
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Lazily create the event. */
if (event == null) {
event = new InterpreterTraceEvent(this, expression, result, guid);
}
// no else.
/* Inform the listeners that the interpretation did finish. */
((IInterpreterTraceListener) listeners[i])
.partialInterpretationFinished(event);
}
}
// no else.
}
public void fireTraceSelectedConstraints(List<Object[]> constraints) {
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Inform the listeners */
((IInterpreterTraceListener) listeners[i])
.traceSelectedConstraints(constraints);
}
}
// no else.
}
public ListenerList getTraceListeners() {
if (this.traceListeners == null) {
this.traceListeners = new ListenerList(ListenerList.IDENTITY);
}
// no else.
return this.traceListeners;
}
/*
* (non-Javadoc)
* @seeorg.dresdenocl.interpreter.IInterpreterRegistry#
* addInterpreterRegistryListener
* (org.dresdenocl.interpreter.event.IInterpreterRegistryListener)
*/
public void addInterpreterRegistryListener(
IInterpreterRegistryListener listener) {
getListeners().add(listener);
}
/*
* (non-Javadoc)
* @see org.dresdenocl.interpreter.IInterpreterRegistry#
* fireInterpretationFinished
* (org.dresdenocl.interpreter.IInterpretationResult)
*/
public void fireInterpretationFinished(
IInterpretationResult interpretationResult) {
InterpreterRegistryEvent event;
event = null;
if (this.listeners != null) {
Object[] listeners;
listeners = this.listeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Lazily create the event. */
if (event == null) {
event = new InterpreterRegistryEvent(this, interpretationResult);
}
// no else.
/* Inform the listeners that the interpretation did finish. */
((IInterpreterRegistryListener) listeners[i])
.interpretationFinished(event);
}
}
// no else.
}
/*
* (non-Javadoc)
* @seeorg.dresdenocl.interpreter.IInterpreterRegistry#
* removeInterpreterRegistryListener
* (org.dresdenocl.interpreter.event.IInterpreterRegistryListener)
*/
public void removeInterpreterRegistryListener(
IInterpreterRegistryListener listener) {
getListeners().remove(listener);
}
/**
* <p>
* Gets the listeners of this {@link InterpreterRegistry}.
* </p>
*
* @return The listeners of this {@link InterpreterRegistry}.
*/
private ListenerList getListeners() {
if (this.listeners == null) {
this.listeners = new ListenerList(ListenerList.IDENTITY);
}
// no else.
return this.listeners;
}
/**
*
*/
public void fireInterpretationCleared() {
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Inform the listeners that the interpretation did finish. */
((IInterpreterTraceListener) listeners[i]).interpretationCleared();
}
}
// no else.
}
public void fireInterpretationDepthIncreased(UUID guid,
IModelInstanceElement modelInstanceElement) {
if (this.traceListeners != null) {
Object[] listeners;
listeners = this.traceListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
/* Inform the listeners */
((IInterpreterTraceListener) listeners[i])
.interpretationTreeDepthIncreased(guid, modelInstanceElement);
}
}
// no else.
}
}