bundles/org.eclipse.emf.ecp.view.model/src/org/eclipse/emf/ecp/view/spi/model/impl/VDiagnosticImpl.java - emfclient/org.eclipse.emf.ecp.core - Git at Google

 /**
  * Copyright (c) 2011-2019 EclipseSource Muenchen GmbH and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  * Eugen Neufeld - initial API and implementation
  * Christian W. Damus - bugs 543160, 545686
  */
 package org.eclipse.emf.ecp.view.spi.model.impl;

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.emf.common.util.BasicEList;
 import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.impl.EObjectImpl;
 import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.ecp.view.spi.model.DiagnosticMessageExtractor;
 import org.eclipse.emf.ecp.view.spi.model.VDiagnostic;
 import org.eclipse.emf.ecp.view.spi.model.VViewPackage;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>VDiagnostic</b></em>'.
  *
  * @since 1.2
  *        <!-- end-user-doc -->
  *        <p>
  *        The following features are implemented:
  *        </p>
  *        <ul>
  *        <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VDiagnosticImpl#getDiagnostics <em>Diagnostics</em>}</li>
  *        </ul>
  *
  * @generated
  */
 // TODO performance
 public class VDiagnosticImpl extends EObjectImpl implements VDiagnostic {

 	/**
 	 * The cached value of the '{@link #getDiagnostics() <em>Diagnostics</em>}' attribute list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @see #getDiagnostics()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<Object> diagnostics;
 	private final Map<EObject, Set<Diagnostic>> diagnosticMap = new LinkedHashMap<>();

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

 	private void removeOldDiagnostic(Diagnostic diagnostic) {
 		final EObject eObject = getDiagnosticSubject(diagnostic);
 		if (eObject == null) {
 			return;
 		}

 		EObject parent = eObject;
 		while (parent != null) {
 			final Set<Diagnostic> diagnostics = diagnosticMap.get(parent);
 			if (diagnostics != null) {
 				diagnostics.remove(diagnostic);
 			}
 			parent = parent.eContainer();
 		}
 	}

 	private void addNewDiagnostic(Diagnostic diagnostic) {
 		final EObject eObject = getDiagnosticSubject(diagnostic);
 		if (eObject == null) {
 			return;
 		}

 		EObject parent = eObject;
 		while (parent != null) {
 			Set<Diagnostic> diagnostics = diagnosticMap.get(parent);
 			if (diagnostics == null) {
 				diagnostics = new LinkedHashSet<>();
 				diagnosticMap.put(parent, diagnostics);
 			}
 			diagnostics.add(diagnostic);
 			parent = parent.eContainer();
 		}
 	}

 	/**
 	 * Get the {@link EObject} that is the subject of a {@code diagnostic}.
 	 *
 	 * @param diagnostic a purported {@link Diagnostic}
 	 * @return the object that is the first {@linkplain Diagnostic#getData() data element}
 	 *         of the {@code diagnostic}, or {@code null} if none
 	 */
 	private EObject getDiagnosticSubject(Object diagnostic) {
 		EObject result = null;

 		if (diagnostic instanceof Diagnostic) {
 			final Diagnostic d = (Diagnostic) diagnostic;
 			if (!d.getData().isEmpty()) {
 				final Object first = d.getData().get(0);
 				if (first instanceof EObject) {
 					result = (EObject) first;
 				}
 			}
 		}

 		return result;
 	}

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

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EList<Object> getDiagnostics() {
 		if (diagnostics == null) {
 			diagnostics = new DiagnosticEList();
 		}
 		return diagnostics;
 	}

 	/**
 	 * Implementation of the list of diagnostics with hooks for tracking diagnostics in
 	 * the per-object sets and leveraging those sets for efficient containment testing
 	 * and duplicate filtering.
 	 */
 	@SuppressWarnings("serial")
 	private final class DiagnosticEList extends EDataTypeUniqueEList<Object> {
 		private DiagnosticEList() {
 			super(Object.class, VDiagnosticImpl.this, VViewPackage.DIAGNOSTIC__DIAGNOSTICS);
 		}

 		@Override
 		protected Collection<Object> getNonDuplicates(Collection<? extends Object> collection) {
 			// Our implementation of 'contains' is constant-time
 			final Collection<Object> result = new HashSet<>(collection.size() * 2, 0.5f);
 			for (final Object next : collection) {
 				if (!contains(next)) {
 					result.add(next);
 				}
 			}
 			return result;
 		}

 		@Override
 		public boolean contains(Object object) {
 			// We can leverage the efficiency of sets maintained already for
 			// unique tracking per object
 			final EObject subject = getDiagnosticSubject(object);
 			final Set<Diagnostic> diagnostics = diagnosticMap.get(subject);
 			if (diagnostics != null) {
 				return diagnostics.contains(object);
 			} else if (subject != null) {
 				// If the diagnostic has a subject, and I have the diagnostic, then
 				// it would be in the map. Ergo, I do not have this diagnostic
 				return false;
 			}

 			// Okay, it's not a diagnostic or it doesn't have a subject.
 			// Fall back to the default linear search
 			return super.contains(object);
 		}

 		@Override
 		protected void didAdd(int index, Object newObject) {
 			addNewDiagnostic((Diagnostic) newObject);
 		}

 		@Override
 		protected void didRemove(int index, Object oldObject) {
 			removeOldDiagnostic((Diagnostic) oldObject);
 		}

 		@Override
 		protected void didSet(int index, Object newObject, Object oldObject) {
 			if (newObject != oldObject) {
 				didRemove(index, oldObject);
 				didAdd(index, newObject);
 			}
 		}
 	}

 	// end of custom code

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 		case VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
 			return getDiagnostics();
 		}
 		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 VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
 			getDiagnostics().clear();
 			getDiagnostics().addAll((Collection<? extends Object>) newValue);
 			return;
 		}
 		super.eSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 		case VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
 			getDiagnostics().clear();
 			return;
 		}
 		super.eUnset(featureID);
 	}

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

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public String toString() {
 		if (eIsProxy()) {
 			return super.toString();
 		}

 		final StringBuilder result = new StringBuilder(super.toString());
 		result.append(" (diagnostics: "); //$NON-NLS-1$
 		result.append(diagnostics);
 		result.append(')');
 		return result.toString();
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getHighestSeverity()
 	 */
 	@Override
 	public int getHighestSeverity() {
 		int highestSeverity = Diagnostic.OK;
 		if (getDiagnostics().size() > 0) {
 			for (final Object o : getDiagnostics()) {
 				final Diagnostic diagnostic = (Diagnostic) o;
 				highestSeverity = highestSeverity >= diagnostic.getSeverity() ? highestSeverity
 					: diagnostic
 						.getSeverity();
 			}
 		}
 		return highestSeverity;
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getMessage()
 	 */
 	@Override
 	public String getMessage() {
 		final List<Diagnostic> diagnostics = new ArrayList<>(getDiagnostics().size());
 		for (final Object o : getDiagnostics()) {
 			final Diagnostic diagnostic = (Diagnostic) o;
 			diagnostics.add(diagnostic);
 		}
 		return DiagnosticMessageExtractor.getMessage(diagnostics);
 	}

 	private void sortDiagnostics(final List<Diagnostic> diagnostics) {
 		Collections.sort(diagnostics, new Comparator<Diagnostic>() {

 			@Override
 			public int compare(Diagnostic o1, Diagnostic o2) {
 				if (o1.getSeverity() != o2.getSeverity()) {
 					// highest first
 					return o2.getSeverity() - o1.getSeverity();
 				}
 				return o1.getMessage().compareTo(o2.getMessage());
 			}
 		});
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getDiagnostics(org.eclipse.emf.ecore.EObject)
 	 * @since 1.3
 	 */
 	@Override
 	public List<Diagnostic> getDiagnostics(EObject eObject) {
 		final List<Diagnostic> result = new ArrayList<>();
 		final Set<Diagnostic> set = diagnosticMap.get(eObject);
 		if (set != null) {
 			for (final Object objectDiagnostic : set) { // getDiagnostics()
 				final Diagnostic diagnostic = (Diagnostic) objectDiagnostic;
 				if (diagnostic.getSeverity() == Diagnostic.OK) {
 					continue;
 				}
 				result.addAll(getDiagnostics(diagnostic, eObject));
 			}
 		}
 		sortDiagnostics(result);
 		return result;
 	}

 	private List<Diagnostic> getDiagnostics(Diagnostic diagnostic, EObject eObject) {
 		final List<Diagnostic> result = new ArrayList<>();
 		if (diagnostic.getData() != null && diagnostic.getData().size() != 0
 			&& EcoreUtil.isAncestor(eObject, (EObject) diagnostic.getData().get(0))) {
 			result.add(diagnostic);
 		}
 		return result;
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getDiagnostic(org.eclipse.emf.ecore.EObject,
 	 *      org.eclipse.emf.ecore.EStructuralFeature)
 	 * @since 1.3
 	 */
 	@Override
 	public List<Diagnostic> getDiagnostic(EObject eObject, EStructuralFeature eStructuralFeature) {
 		final EList<Diagnostic> result = new BasicEList<>();
 		final Set<Diagnostic> set = diagnosticMap.get(eObject);
 		if (set != null) {
 			for (final Object objectDiagnostic : set) { // getDiagnostics()
 				final Diagnostic diagnostic = (Diagnostic) objectDiagnostic;
 				if (diagnostic.getSeverity() == Diagnostic.OK) {
 					continue;
 				}
 				result.addAll(getDiagnostics(diagnostic, eObject, eStructuralFeature));
 			}
 		}
 		sortDiagnostics(result);
 		return result;
 	}

 	private List<Diagnostic> getDiagnostics(Diagnostic diagnostic, EObject eObject,
 		EStructuralFeature eStructuralFeature) {
 		final List<Diagnostic> result = new ArrayList<>();
 		if (diagnostic.getData() != null && diagnostic.getData().size() > 1
 			&& EcoreUtil.isAncestor(eObject, (EObject) diagnostic.getData().get(0))
 			&& eStructuralFeature.equals(diagnostic.getData().get(1))) {
 			if (diagnostic.getChildren() == null || diagnostic.getChildren().size() == 0) {
 				result.add(diagnostic);
 			} else {
 				for (final Diagnostic childDiagnostic : diagnostic.getChildren()) {
 					if (childDiagnostic.getSeverity() == Diagnostic.OK) {
 						continue;
 					}
 					result.add(childDiagnostic);
 				}
 			}
 		}
 		return result;
 	}

 } // VDiagnosticImpl
	/**
	* Copyright (c) 2011-2019 EclipseSource Muenchen GmbH and others.
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Eugen Neufeld - initial API and implementation
	* Christian W. Damus - bugs 543160, 545686
	*/
	package org.eclipse.emf.ecp.view.spi.model.impl;

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Comparator;
	import java.util.HashSet;
	import java.util.LinkedHashMap;
	import java.util.LinkedHashSet;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.emf.common.util.BasicEList;
	import org.eclipse.emf.common.util.Diagnostic;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecore.impl.EObjectImpl;
	import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.ecp.view.spi.model.DiagnosticMessageExtractor;
	import org.eclipse.emf.ecp.view.spi.model.VDiagnostic;
	import org.eclipse.emf.ecp.view.spi.model.VViewPackage;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>VDiagnostic</b></em>'.
	*
	* @since 1.2
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* </p>
	* <ul>
	* <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VDiagnosticImpl#getDiagnostics <em>Diagnostics</em>}</li>
	* </ul>
	*
	* @generated
	*/
	// TODO performance
	public class VDiagnosticImpl extends EObjectImpl implements VDiagnostic {

	/**
	* The cached value of the '{@link #getDiagnostics() <em>Diagnostics</em>}' attribute list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @see #getDiagnostics()
	* @generated
	* @ordered
	*/
	protected EList<Object> diagnostics;
	private final Map<EObject, Set<Diagnostic>> diagnosticMap = new LinkedHashMap<>();

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

	private void removeOldDiagnostic(Diagnostic diagnostic) {
	final EObject eObject = getDiagnosticSubject(diagnostic);
	if (eObject == null) {
	return;
	}

	EObject parent = eObject;
	while (parent != null) {
	final Set<Diagnostic> diagnostics = diagnosticMap.get(parent);
	if (diagnostics != null) {
	diagnostics.remove(diagnostic);
	}
	parent = parent.eContainer();
	}
	}

	private void addNewDiagnostic(Diagnostic diagnostic) {
	final EObject eObject = getDiagnosticSubject(diagnostic);
	if (eObject == null) {
	return;
	}

	EObject parent = eObject;
	while (parent != null) {
	Set<Diagnostic> diagnostics = diagnosticMap.get(parent);
	if (diagnostics == null) {
	diagnostics = new LinkedHashSet<>();
	diagnosticMap.put(parent, diagnostics);
	}
	diagnostics.add(diagnostic);
	parent = parent.eContainer();
	}
	}

	/**
	* Get the {@link EObject} that is the subject of a {@code diagnostic}.
	*
	* @param diagnostic a purported {@link Diagnostic}
	* @return the object that is the first {@linkplain Diagnostic#getData() data element}
	* of the {@code diagnostic}, or {@code null} if none
	*/
	private EObject getDiagnosticSubject(Object diagnostic) {
	EObject result = null;

	if (diagnostic instanceof Diagnostic) {
	final Diagnostic d = (Diagnostic) diagnostic;
	if (!d.getData().isEmpty()) {
	final Object first = d.getData().get(0);
	if (first instanceof EObject) {
	result = (EObject) first;
	}
	}
	}

	return result;
	}

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

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EList<Object> getDiagnostics() {
	if (diagnostics == null) {
	diagnostics = new DiagnosticEList();
	}
	return diagnostics;
	}

	/**
	* Implementation of the list of diagnostics with hooks for tracking diagnostics in
	* the per-object sets and leveraging those sets for efficient containment testing
	* and duplicate filtering.
	*/
	@SuppressWarnings("serial")
	private final class DiagnosticEList extends EDataTypeUniqueEList<Object> {
	private DiagnosticEList() {
	super(Object.class, VDiagnosticImpl.this, VViewPackage.DIAGNOSTIC__DIAGNOSTICS);
	}

	@Override
	protected Collection<Object> getNonDuplicates(Collection<? extends Object> collection) {
	// Our implementation of 'contains' is constant-time
	final Collection<Object> result = new HashSet<>(collection.size() * 2, 0.5f);
	for (final Object next : collection) {
	if (!contains(next)) {
	result.add(next);
	}
	}
	return result;
	}

	@Override
	public boolean contains(Object object) {
	// We can leverage the efficiency of sets maintained already for
	// unique tracking per object
	final EObject subject = getDiagnosticSubject(object);
	final Set<Diagnostic> diagnostics = diagnosticMap.get(subject);
	if (diagnostics != null) {
	return diagnostics.contains(object);
	} else if (subject != null) {
	// If the diagnostic has a subject, and I have the diagnostic, then
	// it would be in the map. Ergo, I do not have this diagnostic
	return false;
	}

	// Okay, it's not a diagnostic or it doesn't have a subject.
	// Fall back to the default linear search
	return super.contains(object);
	}

	@Override
	protected void didAdd(int index, Object newObject) {
	addNewDiagnostic((Diagnostic) newObject);
	}

	@Override
	protected void didRemove(int index, Object oldObject) {
	removeOldDiagnostic((Diagnostic) oldObject);
	}

	@Override
	protected void didSet(int index, Object newObject, Object oldObject) {
	if (newObject != oldObject) {
	didRemove(index, oldObject);
	didAdd(index, newObject);
	}
	}
	}

	// end of custom code

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
	return getDiagnostics();
	}
	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 VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
	getDiagnostics().clear();
	getDiagnostics().addAll((Collection<? extends Object>) newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case VViewPackage.DIAGNOSTIC__DIAGNOSTICS:
	getDiagnostics().clear();
	return;
	}
	super.eUnset(featureID);
	}

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

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public String toString() {
	if (eIsProxy()) {
	return super.toString();
	}

	final StringBuilder result = new StringBuilder(super.toString());
	result.append(" (diagnostics: "); //$NON-NLS-1$
	result.append(diagnostics);
	result.append(')');
	return result.toString();
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getHighestSeverity()
	*/
	@Override
	public int getHighestSeverity() {
	int highestSeverity = Diagnostic.OK;
	if (getDiagnostics().size() > 0) {
	for (final Object o : getDiagnostics()) {
	final Diagnostic diagnostic = (Diagnostic) o;
	highestSeverity = highestSeverity >= diagnostic.getSeverity() ? highestSeverity
	: diagnostic
	.getSeverity();
	}
	}
	return highestSeverity;
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getMessage()
	*/
	@Override
	public String getMessage() {
	final List<Diagnostic> diagnostics = new ArrayList<>(getDiagnostics().size());
	for (final Object o : getDiagnostics()) {
	final Diagnostic diagnostic = (Diagnostic) o;
	diagnostics.add(diagnostic);
	}
	return DiagnosticMessageExtractor.getMessage(diagnostics);
	}

	private void sortDiagnostics(final List<Diagnostic> diagnostics) {
	Collections.sort(diagnostics, new Comparator<Diagnostic>() {

	@Override
	public int compare(Diagnostic o1, Diagnostic o2) {
	if (o1.getSeverity() != o2.getSeverity()) {
	// highest first
	return o2.getSeverity() - o1.getSeverity();
	}
	return o1.getMessage().compareTo(o2.getMessage());
	}
	});
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getDiagnostics(org.eclipse.emf.ecore.EObject)
	* @since 1.3
	*/
	@Override
	public List<Diagnostic> getDiagnostics(EObject eObject) {
	final List<Diagnostic> result = new ArrayList<>();
	final Set<Diagnostic> set = diagnosticMap.get(eObject);
	if (set != null) {
	for (final Object objectDiagnostic : set) { // getDiagnostics()
	final Diagnostic diagnostic = (Diagnostic) objectDiagnostic;
	if (diagnostic.getSeverity() == Diagnostic.OK) {
	continue;
	}
	result.addAll(getDiagnostics(diagnostic, eObject));
	}
	}
	sortDiagnostics(result);
	return result;
	}

	private List<Diagnostic> getDiagnostics(Diagnostic diagnostic, EObject eObject) {
	final List<Diagnostic> result = new ArrayList<>();
	if (diagnostic.getData() != null && diagnostic.getData().size() != 0
	&& EcoreUtil.isAncestor(eObject, (EObject) diagnostic.getData().get(0))) {
	result.add(diagnostic);
	}
	return result;
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDiagnostic#getDiagnostic(org.eclipse.emf.ecore.EObject,
	* org.eclipse.emf.ecore.EStructuralFeature)
	* @since 1.3
	*/
	@Override
	public List<Diagnostic> getDiagnostic(EObject eObject, EStructuralFeature eStructuralFeature) {
	final EList<Diagnostic> result = new BasicEList<>();
	final Set<Diagnostic> set = diagnosticMap.get(eObject);
	if (set != null) {
	for (final Object objectDiagnostic : set) { // getDiagnostics()
	final Diagnostic diagnostic = (Diagnostic) objectDiagnostic;
	if (diagnostic.getSeverity() == Diagnostic.OK) {
	continue;
	}
	result.addAll(getDiagnostics(diagnostic, eObject, eStructuralFeature));
	}
	}
	sortDiagnostics(result);
	return result;
	}

	private List<Diagnostic> getDiagnostics(Diagnostic diagnostic, EObject eObject,
	EStructuralFeature eStructuralFeature) {
	final List<Diagnostic> result = new ArrayList<>();
	if (diagnostic.getData() != null && diagnostic.getData().size() > 1
	&& EcoreUtil.isAncestor(eObject, (EObject) diagnostic.getData().get(0))
	&& eStructuralFeature.equals(diagnostic.getData().get(1))) {
	if (diagnostic.getChildren() == null \|\| diagnostic.getChildren().size() == 0) {
	result.add(diagnostic);
	} else {
	for (final Diagnostic childDiagnostic : diagnostic.getChildren()) {
	if (childDiagnostic.getSeverity() == Diagnostic.OK) {
	continue;
	}
	result.add(childDiagnostic);
	}
	}
	}
	return result;
	}

	} // VDiagnosticImpl