1 files changed, 92 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.compare.diagram.papyrus/src/org/eclipse/emf/compare/diagram/papyrus/internal/FeatureInstance.java b/plugins/org.eclipse.emf.compare.diagram.papyrus/src/org/eclipse/emf/compare/diagram/papyrus/internal/FeatureInstance.java
new file mode 100644
index 000000000..05ae36c6e
--- /dev/null
+++ b/plugins/org.eclipse.emf.compare.diagram.papyrus/src/org/eclipse/emf/compare/diagram/papyrus/internal/FeatureInstance.java
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Obeo.
+ * 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:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.emf.compare.diagram.papyrus.internal;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+/**
+ * Instance of a feature for an EObject, designed to be used as a key in a Map.
+ * 
+ * @author <a href="mailto:laurent.delaigue@obeo.fr">Laurent Delaigue</a>
+ */
+class FeatureInstance {
+	/** The EObject. */
+	private final EObject eObject;
+
+	/** The feature. */
+	private final EStructuralFeature feature;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param eObject
+	 *            The EObject
+	 * @param feature
+	 *            The feature
+	 */
+	public FeatureInstance(EObject eObject, EStructuralFeature feature) {
+		super();
+		this.eObject = eObject;
+		this.feature = feature;
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		// CHECKSTYLE:OFF Code generated by JDT
+		result = prime * result + ((eObject == null) ? 0 : eObject.hashCode());
+		result = prime * result + ((feature == null) ? 0 : feature.hashCode());
+		// CHECKSTYLE:ON
+		return result;
+	}
+
+	// CHECKSTYLE:OFF Code generated by JDT
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj) {
+			return true;
+		}
+		if (obj == null) {
+			return false;
+		}
+		if (getClass() != obj.getClass()) {
+			return false;
+		}
+		FeatureInstance other = (FeatureInstance)obj;
+		if (eObject != other.eObject) {
+			return false;
+		}
+		if (feature != other.feature) {
+			return false;
+		}
+		return true;
+		// CHECKSTYLE:ON
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder b = new StringBuilder();
+		if (eObject == null) {
+			b.append("<null>."); //$NON-NLS-1$
+		} else {
+			b.append(eObject.eClass().getName()).append('@');
+			b.append(Integer.toHexString(eObject.hashCode())).append('.');
+		}
+		if (feature == null) {
+			b.append("<null>"); //$NON-NLS-1$
+		} else {
+			b.append(feature.getName());
+		}
+		return b.toString();
+	}
+}