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Package: ValidationService
ValidationService
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| ValidationService(IExcludedObjectsCallback) |
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| createdCachedTreeNode(Diagnostic) |
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| getDefaultValue() |
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| getDiagnostic(Object) |
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| getRootDiagnostic() |
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| getSeverity(EObject) |
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| validate(Collection) |
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| validate(EObject) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2012 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: ******************************************************************************/
13: package org.eclipse.emf.ecp.internal.validation;
14:
15: import java.util.Collection;
16: import java.util.HashMap;
17: import java.util.HashSet;
18: import java.util.Map;
19: import java.util.Set;
20:
21: import org.eclipse.emf.common.util.BasicDiagnostic;
22: import org.eclipse.emf.common.util.Diagnostic;
23: import org.eclipse.emf.ecore.EObject;
24: import org.eclipse.emf.ecore.EValidator;
25: import org.eclipse.emf.ecore.util.Diagnostician;
26: import org.eclipse.emf.ecore.util.EObjectValidator;
27: import org.eclipse.emf.ecp.common.spi.cachetree.AbstractCachedTree;
28: import org.eclipse.emf.ecp.common.spi.cachetree.CachedTreeNode;
29: import org.eclipse.emf.ecp.common.spi.cachetree.IExcludedObjectsCallback;
30: import org.eclipse.emf.ecp.validation.api.IValidationService;
31:
32: /**
33: * Implementation of a validation service.
34: *
35: * @author emueller
36: * @author Tobias Verhoeven
37: *
38: */
39: public final class ValidationService extends AbstractCachedTree<Diagnostic> implements IValidationService {
40:
41: /**
42: * Constructor for the ECP ValidationService.
43: *
44: * @param callback to use
45: */
46: public ValidationService(IExcludedObjectsCallback callback) {
47: super(callback);
48: }
49:
50: /**
51: * Tree node that caches the severity of its children.
52: */
53: public class CachedSeverityTreeNode extends CachedTreeNode<Diagnostic> {
54:
55: /**
56: * Constructor.
57: *
58: * @param diagnostic
59: * the initial diagnostic containing the severity and validation message
60: */
61: public CachedSeverityTreeNode(Diagnostic diagnostic) {
62: super(diagnostic);
63: }
64:
65: /**
66: * {@inheritDoc}
67: */
68: @Override
69: public void update() {
70: final Collection<Diagnostic> severities = values();
71:
72: if (severities.size() > 0) {
73: Diagnostic mostSevereDiagnostic = values().iterator().next();
74: for (final Diagnostic diagnostic : severities) {
75: if (diagnostic.getSeverity() > mostSevereDiagnostic.getSeverity()) {
76: mostSevereDiagnostic = diagnostic;
77: }
78: }
79: setChildValue(mostSevereDiagnostic);
80: return;
81: }
82: setChildValue(getDefaultValue());
83: }
84:
85: @Override
86: public Diagnostic getDisplayValue() {
87: if (getChildValue() == null) {
88: return getOwnValue();
89: }
90: return getOwnValue().getSeverity() > getChildValue().getSeverity() ? getOwnValue() : getChildValue();
91: }
92: }
93:
94: /**
95: * {@inheritDoc}
96: */
97: @Override
98: public Set<EObject> validate(Collection<EObject> eObjects) {
99: final Set<EObject> allAffected = new HashSet<EObject>();
100:• for (final EObject eObject : eObjects) {
101: final Set<EObject> affected = validate(eObject);
102: allAffected.addAll(affected);
103: }
104: return allAffected;
105: }
106:
107: /**
108: * {@inheritDoc}
109: */
110: @Override
111: public Set<EObject> validate(EObject eObject) {
112: return update(eObject, getSeverity(eObject));
113: }
114:
115: /**
116: * {@inheritDoc}
117: */
118: @Override
119: public Diagnostic getDiagnostic(Object eObject) {
120: return getCachedValue(eObject);
121: }
122:
123: /**
124: * {@inheritDoc}
125: */
126: @Override
127: public Diagnostic getRootDiagnostic() {
128: return getRootValue();
129: }
130:
131: /**
132: * {@inheritDoc}
133: */
134: @Override
135: public Diagnostic getDefaultValue() {
136: return Diagnostic.OK_INSTANCE;
137: }
138:
139: /**
140: * {@inheritDoc}
141: */
142: @Override
143: public CachedTreeNode<Diagnostic> createdCachedTreeNode(Diagnostic diagnostic) {
144: return new CachedSeverityTreeNode(diagnostic);
145: }
146:
147: private Diagnostic getSeverity(EObject object) {
148: EValidator validator = EValidator.Registry.INSTANCE.getEValidator(object.eClass().getEPackage());
149: final BasicDiagnostic diagnostics = Diagnostician.INSTANCE.createDefaultDiagnostic(object);
150:
151:• if (validator == null) {
152: validator = new EObjectValidator();
153: }
154: final Map<Object, Object> context = new HashMap<Object, Object>();
155: context.put(EValidator.SubstitutionLabelProvider.class, Diagnostician.INSTANCE);
156: context.put(EValidator.class, validator);
157:
158: validator.validate(object, diagnostics, context);
159: return diagnostics;
160:
161: }
162:
163: }