/*******************************************************************************
 * Copyright (c) 2008-2011 Chair for Applied Software Engineering,
 * Technische Universitaet Muenchen.
 * 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:
 ******************************************************************************/
package org.eclipse.emf.emfstore.server.model.versioning.operations;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.emfstore.common.model.Project;

/**
 * <!-- begin-user-doc --> A representation of the model object '<em><b>Feature Operation</b></em>'. <!-- end-user-doc
 * -->
 * <p>
 * The following features are supported:
 * <ul>
 * <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.FeatureOperation#getFeatureName <em>Feature
 * Name</em>}</li>
 * </ul>
 * </p>
 * 
 * @see org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsPackage#getFeatureOperation()
 * @model abstract="true"
 * @generated
 */
public interface FeatureOperation extends AbstractOperation {
	/**
	 * Returns the value of the '<em><b>Feature Name</b></em>' attribute. The default value is <code>""</code>. <!--
	 * begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Feature Name</em>' attribute isn't clear, there really should be more of a description
	 * here...
	 * </p>
	 * <!-- end-user-doc -->
	 * 
	 * @return the value of the '<em>Feature Name</em>' attribute.
	 * @see #setFeatureName(String)
	 * @see org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsPackage#getFeatureOperation_FeatureName()
	 * @model default=""
	 * @generated
	 */
	String getFeatureName();

	/**
	 * Sets the value of the '{@link org.eclipse.emf.emfstore.server.model.versioning.operations.FeatureOperation#getFeatureName <em>Feature Name</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @param value the new value of the '<em>Feature Name</em>' attribute.
	 * @see #getFeatureName()
	 * @generated
	 */
	void setFeatureName(String value);

	/**
	 * Get the feature from the Eclass of the model element identified by the model element of the operation.
	 * 
	 * @param project the project
	 * @return the feature
	 * @throws UnkownFeatureException if the feature can not be found in the eclass of the corresponding model element
	 */
	EStructuralFeature getFeature(Project project) throws UnkownFeatureException;

	/**
	 * Get the feature from the eclass of the given model element.
	 * 
	 * @param modelElement the model element
	 * @return the feature
	 * @throws UnkownFeatureException if the feature can not be found in the eclass of the corresponding model element
	 */
	EStructuralFeature getFeature(EObject modelElement) throws UnkownFeatureException;

} // FeatureOperation