AncestorVersionSpecImpl.java

/*******************************************************************************
 * 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.internal.server.model.versioning.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.emfstore.internal.server.model.impl.api.versionspec.ESAncestorVersionSpecImpl;
import org.eclipse.emf.emfstore.internal.server.model.versioning.AncestorVersionSpec;
import org.eclipse.emf.emfstore.internal.server.model.versioning.PrimaryVersionSpec;
import org.eclipse.emf.emfstore.internal.server.model.versioning.VersioningPackage;

/**
 * <!-- begin-user-doc --> An implementation of the model object ' <em><b>Ancestor Version Spec</b></em>'. <!--
 * end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.emf.emfstore.internal.server.model.versioning.impl.AncestorVersionSpecImpl#getTarget <em>
 * Target</em>}</li>
 * <li>{@link org.eclipse.emf.emfstore.internal.server.model.versioning.impl.AncestorVersionSpecImpl#getSource <em>
 * Source</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class AncestorVersionSpecImpl extends VersionSpecImpl implements AncestorVersionSpec {

	/**
	 * The cached value of the '{@link #getTarget() <em>Target</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @see #getTarget()
	 * @generated
	 * @ordered
	 */
	protected PrimaryVersionSpec target;

	/**
	 * The cached value of the '{@link #getSource() <em>Source</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @see #getSource()
	 * @generated
	 * @ordered
	 */
	protected PrimaryVersionSpec source;

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected AncestorVersionSpecImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return VersioningPackage.Literals.ANCESTOR_VERSION_SPEC;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public PrimaryVersionSpec getTarget() {
		if (target != null && target.eIsProxy()) {
			final InternalEObject oldTarget = (InternalEObject) target;
			target = (PrimaryVersionSpec) eResolveProxy(oldTarget);
			if (target != oldTarget) {
				final InternalEObject newTarget = (InternalEObject) target;
				NotificationChain msgs = oldTarget.eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, null, null);
				if (newTarget.eInternalContainer() == null) {
					msgs = newTarget.eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, null, msgs);
				}
				if (msgs != null) {
					msgs.dispatch();
				}
				if (eNotificationRequired()) {
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, oldTarget, target));
				}
			}
		}
		return target;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public PrimaryVersionSpec basicGetTarget() {
		return target;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public NotificationChain basicSetTarget(PrimaryVersionSpec newTarget, NotificationChain msgs) {
		final PrimaryVersionSpec oldTarget = target;
		target = newTarget;
		if (eNotificationRequired()) {
			final ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
				VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, oldTarget, newTarget);
			if (msgs == null) {
				msgs = notification;
			} else {
				msgs.add(notification);
			}
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public void setTarget(PrimaryVersionSpec newTarget) {
		if (newTarget != target) {
			NotificationChain msgs = null;
			if (target != null) {
				msgs = ((InternalEObject) target).eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, null, msgs);
			}
			if (newTarget != null) {
				msgs = ((InternalEObject) newTarget).eInverseAdd(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET, null, msgs);
			}
			msgs = basicSetTarget(newTarget, msgs);
			if (msgs != null) {
				msgs.dispatch();
			}
		} else if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET,
				newTarget, newTarget));
		}
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public PrimaryVersionSpec getSource() {
		if (source != null && source.eIsProxy()) {
			final InternalEObject oldSource = (InternalEObject) source;
			source = (PrimaryVersionSpec) eResolveProxy(oldSource);
			if (source != oldSource) {
				final InternalEObject newSource = (InternalEObject) source;
				NotificationChain msgs = oldSource.eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, null, null);
				if (newSource.eInternalContainer() == null) {
					msgs = newSource.eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, null, msgs);
				}
				if (msgs != null) {
					msgs.dispatch();
				}
				if (eNotificationRequired()) {
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, oldSource, source));
				}
			}
		}
		return source;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public PrimaryVersionSpec basicGetSource() {
		return source;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public NotificationChain basicSetSource(PrimaryVersionSpec newSource, NotificationChain msgs) {
		final PrimaryVersionSpec oldSource = source;
		source = newSource;
		if (eNotificationRequired()) {
			final ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
				VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, oldSource, newSource);
			if (msgs == null) {
				msgs = notification;
			} else {
				msgs.add(notification);
			}
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public void setSource(PrimaryVersionSpec newSource) {
		if (newSource != source) {
			NotificationChain msgs = null;
			if (source != null) {
				msgs = ((InternalEObject) source).eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, null, msgs);
			}
			if (newSource != null) {
				msgs = ((InternalEObject) newSource).eInverseAdd(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE, null, msgs);
			}
			msgs = basicSetSource(newSource, msgs);
			if (msgs != null) {
				msgs.dispatch();
			}
		} else if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE,
				newSource, newSource));
		}
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET:
			return basicSetTarget(null, msgs);
		case VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE:
			return basicSetSource(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET:
			if (resolve) {
				return getTarget();
			}
			return basicGetTarget();
		case VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE:
			if (resolve) {
				return getSource();
			}
			return basicGetSource();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET:
			setTarget((PrimaryVersionSpec) newValue);
			return;
		case VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE:
			setSource((PrimaryVersionSpec) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET:
			setTarget((PrimaryVersionSpec) null);
			return;
		case VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE:
			setSource((PrimaryVersionSpec) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case VersioningPackage.ANCESTOR_VERSION_SPEC__TARGET:
			return target != null;
		case VersioningPackage.ANCESTOR_VERSION_SPEC__SOURCE:
			return source != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * @generated NOT
	 */
	private ESAncestorVersionSpecImpl apiImpl;

	/**
	 *
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.emf.emfstore.internal.common.api.APIDelegate#toAPI()
	 *
	 * @generated NOT
	 */
	public ESAncestorVersionSpecImpl toAPI() {
		if (apiImpl == null) {
			apiImpl = createAPI();
		}

		return apiImpl;
	}

	/**
	 *
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.emf.emfstore.internal.common.api.APIDelegate#createAPI()
	 *
	 * @generated NOT
	 */
	public ESAncestorVersionSpecImpl createAPI() {
		return new ESAncestorVersionSpecImpl(this);
	}

} // AncestorVersionSpecImpl