/**
* <copyright>
*
* Copyright (c) 2010-2016 Thales Global Services S.A.S.
* 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:
* Thales Global Services S.A.S. - initial API and implementation
*
* </copyright>
*/
package org.eclipse.emf.diffmerge.diffdata.impl;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.diffmerge.api.Role;
import org.eclipse.emf.diffmerge.api.diff.IValuePresence;
import org.eclipse.emf.diffmerge.diffdata.DiffdataPackage;
import org.eclipse.emf.diffmerge.diffdata.EComparison;
import org.eclipse.emf.diffmerge.diffdata.EMatch;
import org.eclipse.emf.diffmerge.diffdata.EValuePresence;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>EValue Presence</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.diffmerge.diffdata.impl.EValuePresenceImpl#getFeature <em>Feature</em>}</li>
* <li>{@link org.eclipse.emf.diffmerge.diffdata.impl.EValuePresenceImpl#isOrder <em>Order</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public abstract class EValuePresenceImpl extends EElementRelativePresenceImpl
implements EValuePresence {
/**
* The cached value of the '{@link #getFeature() <em>Feature</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getFeature()
* @generated
* @ordered
*/
protected EStructuralFeature feature;
/**
* The default value of the '{@link #isOrder() <em>Order</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isOrder()
* @generated
* @ordered
*/
protected static final boolean ORDER_EDEFAULT = false;
/**
* The cached value of the '{@link #isOrder() <em>Order</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isOrder()
* @generated
* @ordered
*/
protected boolean order = ORDER_EDEFAULT;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EValuePresenceImpl() {
super();
}
/**
* Constructor
* @param comparison_p the non-null comparison to which this difference belongs
* @param elementMatch_p the non-null match for the element holding the value
* @param feature_p the non-null feature holding the value
* @param presenceRole_p the role in which the value is held: TARGET or REFERENCE
* @param isOrder_p whether the value presence is solely due to ordering
* @generated NOT
*/
protected EValuePresenceImpl(EComparison comparison_p, EMatch elementMatch_p,
EStructuralFeature feature_p, Role presenceRole_p, boolean isOrder_p) {
super(comparison_p, elementMatch_p, presenceRole_p);
feature = feature_p;
order = isOrder_p;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return DiffdataPackage.Literals.EVALUE_PRESENCE;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EStructuralFeature getFeature() {
if (feature != null && feature.eIsProxy()) {
InternalEObject oldFeature = (InternalEObject) feature;
feature = (EStructuralFeature) eResolveProxy(oldFeature);
if (feature != oldFeature) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE,
DiffdataPackage.EVALUE_PRESENCE__FEATURE, oldFeature, feature));
}
}
return feature;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EStructuralFeature basicGetFeature() {
return feature;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isOrder() {
return order;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("boxing")
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case DiffdataPackage.EVALUE_PRESENCE__FEATURE:
if (resolve)
return getFeature();
return basicGetFeature();
case DiffdataPackage.EVALUE_PRESENCE__ORDER:
return isOrder();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case DiffdataPackage.EVALUE_PRESENCE__FEATURE:
return feature != null;
case DiffdataPackage.EVALUE_PRESENCE__ORDER:
return order != ORDER_EDEFAULT;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String toString() {
if (eIsProxy())
return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (order: "); //$NON-NLS-1$
result.append(order);
result.append(')');
return result.toString();
}
/**
* @see org.eclipse.emf.diffmerge.diffdata.impl.EMergeableDifferenceImpl#canMergeTo(org.eclipse.emf.diffmerge.api.Role)
* @generated NOT
*/
@Override
public boolean canMergeTo(Role destination_p) {
return super.canMergeTo(destination_p) && getFeature().isChangeable();
}
/**
* Return the non-null element holding the value in the presence role
* @generated NOT
*/
public final EObject getHolder() {
return getElementMatch().get(getPresenceRole());
}
/**
* Return the element, in the opposite of the presence role, which matches the element
* holding the value
* @return a potentially null element in the getAbsenceRole() role
* @generated NOT
*/
public final EObject getMatchOfHolder() {
return getElementMatch().get(getAbsenceRole());
}
/**
* @see org.eclipse.emf.diffmerge.diffdata.impl.EElementRelativePresenceImpl#mergeAddition()
* @generated NOT
*/
@Override
protected final void mergeAddition() {
if (isOrder())
mergeOrder();
else
mergeValueAddition();
}
/**
* @see org.eclipse.emf.diffmerge.diffdata.impl.EElementRelativePresenceImpl#mergeRemoval()
* @generated NOT
*/
@Override
protected final void mergeRemoval() {
if (!isOrder())
mergeValueRemoval();
}
/**
* Copy the order to the opposite scope
* @generated NOT
*/
protected abstract void mergeOrder();
/**
* Add the value to the absence scope
* @generated NOT
*/
protected abstract void mergeValueAddition();
/**
* Remove the value from the presence scope
* @generated NOT
*/
protected abstract void mergeValueRemoval();
/**
* @see org.eclipse.emf.diffmerge.api.diff.IValuePresence#getSymmetrical()
* @generated NOT
*/
public abstract IValuePresence getSymmetrical();
/**
* @see org.eclipse.emf.diffmerge.api.diff.IValuePresence#isSymmetricalTo(org.eclipse.emf.diffmerge.api.diff.IValuePresence)
* @generated NOT
*/
public boolean isSymmetricalTo(IValuePresence peer_p) {
return getAbsenceRole() == peer_p.getPresenceRole()
&& getFeature() == peer_p.getFeature()
&& (getFeature().getUpperBound() == 1 || isOrder() && peer_p.isOrder())
&& getElementMatch() == peer_p.getElementMatch();
}
} //EValuePresenceImpl