core/org.eclipse.stem.core/src/org/eclipse/stem/core/trigger/impl/TriggerImpl.java - stem/org.eclipse.stem - Git at Google

 package org.eclipse.stem.core.trigger.impl;

 /*******************************************************************************
  * Copyright (c) 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.util.EObjectResolvingEList;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.stem.core.CorePlugin;
 import org.eclipse.stem.core.graph.Graph;
 import org.eclipse.stem.core.model.Decorator;
 import org.eclipse.stem.core.model.STEMTime;
 import org.eclipse.stem.core.model.impl.DecoratorImpl;
 import org.eclipse.stem.core.modifier.Modifier;
 import org.eclipse.stem.core.predicate.Predicate;
 import org.eclipse.stem.core.trigger.Trigger;
 import org.eclipse.stem.core.trigger.TriggerPackage;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>Trigger</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * <ul>
  *   <li>{@link org.eclipse.stem.core.trigger.impl.TriggerImpl#getPredicate <em>Predicate</em>}</li>
  *   <li>{@link org.eclipse.stem.core.trigger.impl.TriggerImpl#getActions <em>Actions</em>}</li>
  * </ul>
  * </p>
  *
  * @generated
  */
 public class TriggerImpl extends DecoratorImpl implements Trigger {
 	/**
 	 * The cached value of the '{@link #getPredicate() <em>Predicate</em>}' reference.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getPredicate()
 	 * @generated
 	 * @ordered
 	 */
 	protected Predicate predicate;

 	/**
 	 * The cached value of the '{@link #getActions() <em>Actions</em>}' reference list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getActions()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<Decorator> actions;

 	protected List<Decorator> actionCopies;

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	protected TriggerImpl() {
 		super();
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	protected EClass eStaticClass() {
 		return TriggerPackage.Literals.TRIGGER;
 	}


 	/**
 	 * @see org.eclipse.stem.core.model.impl.DecoratorImpl#decorateGraph()
 	 */
 	@Override
 	public boolean decorateGraph(STEMTime time) {
 		// Do we have action?
 		if (getActions() != null) {
 			// Yes
 			// Have we already made a copy of the action?
 			if (actionCopies == null || actionCopies.size() < getActions().size()) {
 				// No
 				actionCopies = new ArrayList<Decorator>();
 				for(int i=0;i<getActions().size();++i)  {
 					actionCopies.add((Decorator) EcoreUtil.copy(getActions().get(i)));
 					getGraph().getDecorators().add(actionCopies.get(i));
 				}
 			} // if
 			for(Decorator d:actionCopies) d.setEnabled(false);

 		} // if we have an action
 		else {
 			// No
 			CorePlugin.logInformation("No actions specified for trigger \""+this.getDublinCore().getTitle()+ "\"", null);
 		}
 		// To clear out cache in case some attribute of the predicate has changed
 		getPredicate().reset();
 		return true;
 	} // decorateGraph

 	/**
 	 * @see org.eclipse.stem.core.model.impl.DecoratorImpl#updateLabels(org.eclipse.stem.core.model.STEMTime,
 	 *      long)
 	 */
 	@Override
 	public void updateLabels(STEMTime time, long timerPeriod, int cycle) {
 		// Evaluate the predicate and if it returns true, then let the actions
 		// decorate the graph.
 		if (getPredicate().evaluate(time, timerPeriod,  ((Graph)this.eContainer()))) {

 			// Do we have actions?
 			if (actionCopies != null) {
 				// Yes
 				for(Decorator actionCopy:actionCopies) {
 					// Yes
 					actionCopy.setEnabled(true);

 					// Has the action decorated the graph yet?
 					if (!actionCopy.isGraphDecorated()) {
 						// No
 						actionCopy.decorateGraph(time);
 						actionCopy.setGraphDecorated(true);
 					} // if graph not decorated yet

 					actionCopy.updateLabels(time, timerPeriod, cycle);
 				}
 			}
 		}// if actions time
 		else {
 		  // No
 		  this.resetLabels();
 		} // else
 	} // updateLabels


 	/**
 	 * @see org.eclipse.stem.core.model.impl.DecoratorImpl#resetLabels()
 	 */
 	@Override
 	public void resetLabels() {
 		if (actionCopies != null) {
 			for(Decorator actionCopy:actionCopies) {
 				// Yes
 				actionCopy.setEnabled(false);
 				actionCopy.setGraphDecorated(false);
 				// The problem with reseting labels in a Trigger is that it implies
 				// some kind of initialization of the labels by the action that in
 				// fact should be conditional on the value of the Trigger's
 				// predicate.
 				// Is the action a Modifier?
 				if (actionCopy instanceof Modifier) {
 					// Yes
 					// It's okay for a Modifier to reset its labels because this
 					// restores them to their original values. This works for static
 					// labels. A more general Decorator, like an Infector, might do
 					// things it should not do unless it is triggered.
 					Modifier modifier = (Modifier) actionCopy;
 					modifier.resetLabels();
 				}
 			}
 		} // if
 		this.getPredicate().reset();
 	} // resetLabels

 	/**
 	 * @see org.eclipse.stem.core.model.impl.DecoratorImpl#sane()
 	 */
 	@Override
 	public boolean sane() {
 		boolean retValue = super.sane();

 //		retValue = retValue && getPredicate() != null;
 //		assert retValue;

 		//retValue = retValue && getPredicate().sane();
 		//assert retValue;

 		if(getActions() != null)
 			for(Decorator d:getActions()) retValue = retValue && d.sane();

 		assert retValue;

 		if(actionCopies != null)
 			for(Decorator d:actionCopies) retValue = retValue && d.sane();
 		assert retValue;

 		return retValue;
 	} // sane

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public Predicate getPredicate() {
 		if (predicate != null && predicate.eIsProxy()) {
 			InternalEObject oldPredicate = (InternalEObject)predicate;
 			predicate = (Predicate)eResolveProxy(oldPredicate);
 			if (predicate != oldPredicate) {
 				if (eNotificationRequired())
 					eNotify(new ENotificationImpl(this, Notification.RESOLVE, TriggerPackage.TRIGGER__PREDICATE, oldPredicate, predicate));
 			}
 		}
 		return predicate;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public Predicate basicGetPredicate() {
 		return predicate;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public void setPredicate(Predicate newPredicate) {
 		Predicate oldPredicate = predicate;
 		predicate = newPredicate;
 		if (eNotificationRequired())
 			eNotify(new ENotificationImpl(this, Notification.SET, TriggerPackage.TRIGGER__PREDICATE, oldPredicate, predicate));
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public EList<Decorator> getActions() {
 		if (actions == null) {
 			actions = new EObjectResolvingEList<Decorator>(Decorator.class, this, TriggerPackage.TRIGGER__ACTIONS);
 		}
 		return actions;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 			case TriggerPackage.TRIGGER__PREDICATE:
 				if (resolve) return getPredicate();
 				return basicGetPredicate();
 			case TriggerPackage.TRIGGER__ACTIONS:
 				return getActions();
 		}
 		return super.eGet(featureID, resolve, coreType);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public void eSet(int featureID, Object newValue) {
 		switch (featureID) {
 			case TriggerPackage.TRIGGER__PREDICATE:
 				setPredicate((Predicate)newValue);
 				return;
 			case TriggerPackage.TRIGGER__ACTIONS:
 				getActions().clear();
 				getActions().addAll((Collection<? extends Decorator>)newValue);
 				return;
 		}
 		super.eSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 			case TriggerPackage.TRIGGER__PREDICATE:
 				setPredicate((Predicate)null);
 				return;
 			case TriggerPackage.TRIGGER__ACTIONS:
 				getActions().clear();
 				return;
 		}
 		super.eUnset(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public boolean eIsSet(int featureID) {
 		switch (featureID) {
 			case TriggerPackage.TRIGGER__PREDICATE:
 				return predicate != null;
 			case TriggerPackage.TRIGGER__ACTIONS:
 				return actions != null && !actions.isEmpty();
 		}
 		return super.eIsSet(featureID);
 	}

 } //TriggerImpl
	package org.eclipse.stem.core.trigger.impl;

	/*******************************************************************************
	* Copyright (c) 2008 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.List;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.util.EObjectResolvingEList;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.stem.core.CorePlugin;
	import org.eclipse.stem.core.graph.Graph;
	import org.eclipse.stem.core.model.Decorator;
	import org.eclipse.stem.core.model.STEMTime;
	import org.eclipse.stem.core.model.impl.DecoratorImpl;
	import org.eclipse.stem.core.modifier.Modifier;
	import org.eclipse.stem.core.predicate.Predicate;
	import org.eclipse.stem.core.trigger.Trigger;
	import org.eclipse.stem.core.trigger.TriggerPackage;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>Trigger</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* <ul>
	* <li>{@link org.eclipse.stem.core.trigger.impl.TriggerImpl#getPredicate <em>Predicate</em>}</li>
	* <li>{@link org.eclipse.stem.core.trigger.impl.TriggerImpl#getActions <em>Actions</em>}</li>
	* </ul>
	* </p>
	*
	* @generated
	*/
	public class TriggerImpl extends DecoratorImpl implements Trigger {
	/**
	* The cached value of the '{@link #getPredicate() <em>Predicate</em>}' reference.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getPredicate()
	* @generated
	* @ordered
	*/
	protected Predicate predicate;

	/**
	* The cached value of the '{@link #getActions() <em>Actions</em>}' reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getActions()
	* @generated
	* @ordered
	*/
	protected EList<Decorator> actions;

	protected List<Decorator> actionCopies;

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	protected TriggerImpl() {
	super();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	protected EClass eStaticClass() {
	return TriggerPackage.Literals.TRIGGER;
	}


	/**
	* @see org.eclipse.stem.core.model.impl.DecoratorImpl#decorateGraph()
	*/
	@Override
	public boolean decorateGraph(STEMTime time) {
	// Do we have action?
	if (getActions() != null) {
	// Yes
	// Have we already made a copy of the action?
	if (actionCopies == null \|\| actionCopies.size() < getActions().size()) {
	// No
	actionCopies = new ArrayList<Decorator>();
	for(int i=0;i<getActions().size();++i) {
	actionCopies.add((Decorator) EcoreUtil.copy(getActions().get(i)));
	getGraph().getDecorators().add(actionCopies.get(i));
	}
	} // if
	for(Decorator d:actionCopies) d.setEnabled(false);

	} // if we have an action
	else {
	// No
	CorePlugin.logInformation("No actions specified for trigger \""+this.getDublinCore().getTitle()+ "\"", null);
	}
	// To clear out cache in case some attribute of the predicate has changed
	getPredicate().reset();
	return true;
	} // decorateGraph

	/**
	* @see org.eclipse.stem.core.model.impl.DecoratorImpl#updateLabels(org.eclipse.stem.core.model.STEMTime,
	* long)
	*/
	@Override
	public void updateLabels(STEMTime time, long timerPeriod, int cycle) {
	// Evaluate the predicate and if it returns true, then let the actions
	// decorate the graph.
	if (getPredicate().evaluate(time, timerPeriod, ((Graph)this.eContainer()))) {

	// Do we have actions?
	if (actionCopies != null) {
	// Yes
	for(Decorator actionCopy:actionCopies) {
	// Yes
	actionCopy.setEnabled(true);

	// Has the action decorated the graph yet?
	if (!actionCopy.isGraphDecorated()) {
	// No
	actionCopy.decorateGraph(time);
	actionCopy.setGraphDecorated(true);
	} // if graph not decorated yet

	actionCopy.updateLabels(time, timerPeriod, cycle);
	}
	}
	}// if actions time
	else {
	// No
	this.resetLabels();
	} // else
	} // updateLabels


	/**
	* @see org.eclipse.stem.core.model.impl.DecoratorImpl#resetLabels()
	*/
	@Override
	public void resetLabels() {
	if (actionCopies != null) {
	for(Decorator actionCopy:actionCopies) {
	// Yes
	actionCopy.setEnabled(false);
	actionCopy.setGraphDecorated(false);
	// The problem with reseting labels in a Trigger is that it implies
	// some kind of initialization of the labels by the action that in
	// fact should be conditional on the value of the Trigger's
	// predicate.
	// Is the action a Modifier?
	if (actionCopy instanceof Modifier) {
	// Yes
	// It's okay for a Modifier to reset its labels because this
	// restores them to their original values. This works for static
	// labels. A more general Decorator, like an Infector, might do
	// things it should not do unless it is triggered.
	Modifier modifier = (Modifier) actionCopy;
	modifier.resetLabels();
	}
	}
	} // if
	this.getPredicate().reset();
	} // resetLabels

	/**
	* @see org.eclipse.stem.core.model.impl.DecoratorImpl#sane()
	*/
	@Override
	public boolean sane() {
	boolean retValue = super.sane();

	// retValue = retValue && getPredicate() != null;
	// assert retValue;

	//retValue = retValue && getPredicate().sane();
	//assert retValue;

	if(getActions() != null)
	for(Decorator d:getActions()) retValue = retValue && d.sane();

	assert retValue;

	if(actionCopies != null)
	for(Decorator d:actionCopies) retValue = retValue && d.sane();
	assert retValue;

	return retValue;
	} // sane

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public Predicate getPredicate() {
	if (predicate != null && predicate.eIsProxy()) {
	InternalEObject oldPredicate = (InternalEObject)predicate;
	predicate = (Predicate)eResolveProxy(oldPredicate);
	if (predicate != oldPredicate) {
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.RESOLVE, TriggerPackage.TRIGGER__PREDICATE, oldPredicate, predicate));
	}
	}
	return predicate;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public Predicate basicGetPredicate() {
	return predicate;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setPredicate(Predicate newPredicate) {
	Predicate oldPredicate = predicate;
	predicate = newPredicate;
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.SET, TriggerPackage.TRIGGER__PREDICATE, oldPredicate, predicate));
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public EList<Decorator> getActions() {
	if (actions == null) {
	actions = new EObjectResolvingEList<Decorator>(Decorator.class, this, TriggerPackage.TRIGGER__ACTIONS);
	}
	return actions;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case TriggerPackage.TRIGGER__PREDICATE:
	if (resolve) return getPredicate();
	return basicGetPredicate();
	case TriggerPackage.TRIGGER__ACTIONS:
	return getActions();
	}
	return super.eGet(featureID, resolve, coreType);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
	switch (featureID) {
	case TriggerPackage.TRIGGER__PREDICATE:
	setPredicate((Predicate)newValue);
	return;
	case TriggerPackage.TRIGGER__ACTIONS:
	getActions().clear();
	getActions().addAll((Collection<? extends Decorator>)newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case TriggerPackage.TRIGGER__PREDICATE:
	setPredicate((Predicate)null);
	return;
	case TriggerPackage.TRIGGER__ACTIONS:
	getActions().clear();
	return;
	}
	super.eUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID) {
	switch (featureID) {
	case TriggerPackage.TRIGGER__PREDICATE:
	return predicate != null;
	case TriggerPackage.TRIGGER__ACTIONS:
	return actions != null && !actions.isEmpty();
	}
	return super.eIsSet(featureID);
	}

	} //TriggerImpl