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Package: UniqueSetting
UniqueSetting
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| UniqueSetting(EObject, EStructuralFeature) |
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| createSetting(EObject, EStructuralFeature) |
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| createSetting(EStructuralFeature.Setting) |
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| equals(Object) |
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| getEObject() |
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| getEStructuralFeature() |
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| getSetting() |
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| hashCode() |
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| toString() |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2019 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: * Edgar Mueller - initial API and implementation
13: * Christian W. Damus - bug 543190
14: ******************************************************************************/
15: package org.eclipse.emf.ecp.common.spi;
16:
17: import org.eclipse.emf.ecore.EObject;
18: import org.eclipse.emf.ecore.EStructuralFeature;
19: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
20: import org.eclipse.emf.ecore.InternalEObject;
21:
22: /**
23: * <p>
24: * Convenience class for managing settings.
25: * </p>
26: * <p>
27: * Provides an equals method that returns {@code true} if the {@link EObject} and the
28: * {@link org.eclipse.emf.ecore.EStructuralFeature} are the same.
29: * </p>
30: *
31: * @author emueller
32: * @since 1.5
33: */
34: public class UniqueSetting {
35:
36: private final EObject eObject;
37: private final EStructuralFeature structuralFeature;
38:
39: /**
40: * Convenience method for creating a setting.
41: *
42: * @param eObject
43: * an {@link EObject}
44: * @param attribute
45: * an EAttribute of the given {@code eObject}
46: * @return the constructed setting
47: */
48: public static UniqueSetting createSetting(EObject eObject, EStructuralFeature attribute) {
49: return new UniqueSetting(eObject, attribute);
50: }
51:
52: /**
53: * Convenience method for creating a setting.
54: *
55: * @param setting the {@link Setting} to wrap
56: * @return the constructed setting
57: *
58: */
59: public static UniqueSetting createSetting(Setting setting) {
60: return new UniqueSetting(setting.getEObject(), setting.getEStructuralFeature());
61: }
62:
63: /**
64: * Constructor.
65: *
66: * @param eObject
67: * an {@link EObject}
68: * @param attribute
69: * an EAttribute of the given {@code eObject}
70: */
71: protected UniqueSetting(EObject eObject, EStructuralFeature attribute) {
72: this.eObject = eObject;
73: structuralFeature = attribute;
74: }
75:
76: /**
77: * {@inheritDoc}
78: *
79: * @see java.lang.Object#hashCode()
80: */
81: @Override
82: public int hashCode() {
83: final int prime = 31;
84: int result = 1;
85:• result = prime * result + (structuralFeature == null ? 0 : structuralFeature.hashCode());
86:• result = prime * result + (eObject == null ? 0 : eObject.hashCode());
87: return result;
88: }
89:
90: /**
91: * {@inheritDoc}
92: *
93: * @see java.lang.Object#equals(java.lang.Object)
94: */
95: @Override
96: public boolean equals(Object obj) {
97:• if (this == obj) {
98: return true;
99: }
100:• if (obj == null) {
101: return false;
102: }
103:• if (getClass() != obj.getClass()) {
104: return false;
105: }
106: final UniqueSetting other = (UniqueSetting) obj;
107:• if (structuralFeature == null) {
108:• if (other.structuralFeature != null) {
109: return false;
110: }
111:• } else if (!structuralFeature.equals(other.structuralFeature)) {
112: return false;
113: }
114:• if (eObject == null) {
115:• if (other.eObject != null) {
116: return false;
117: }
118:• } else if (!eObject.equals(other.eObject)) {
119: return false;
120: }
121: return true;
122: }
123:
124: /**
125: * Returns the {@link EObject}.
126: *
127: * @return the {@link EObject}
128: */
129: public EObject getEObject() {
130: return eObject;
131: }
132:
133: /**
134: * Returns the EAttribute of the {@link EObject}.
135: *
136: * @return the EAttribute
137: */
138: public EStructuralFeature getEStructuralFeature() {
139: return structuralFeature;
140: }
141:
142: /**
143: * Return the {@link Setting} wrapped in this {@link UniqueSetting}.
144: *
145: * @return the wrapped {@link Setting}
146: */
147: public Setting getSetting() {
148: return ((InternalEObject) eObject).eSetting(structuralFeature);
149: }
150:
151: @Override
152: public String toString() {
153: final StringBuilder result = new StringBuilder(64);
154: result.append("UniqueSetting("); //$NON-NLS-1$
155:• result.append(structuralFeature == null ? "<null>" : structuralFeature.getName()); //$NON-NLS-1$
156: result.append(" of "); //$NON-NLS-1$
157:• result.append(eObject == null ? "<null>" : Labelizer.get(eObject).getLabel(eObject)); //$NON-NLS-1$
158: result.append(')');
159: return result.toString();
160: }
161:
162: }