PathQueryImpl.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.query.ESPathQueryImpl;
import org.eclipse.emf.emfstore.internal.server.model.versioning.PathQuery;
import org.eclipse.emf.emfstore.internal.server.model.versioning.PrimaryVersionSpec;
import org.eclipse.emf.emfstore.internal.server.model.versioning.VersioningPackage;
import org.eclipse.emf.emfstore.server.model.query.ESPathQuery;
import org.eclipse.emf.emfstore.server.model.versionspec.ESPrimaryVersionSpec;

/**
 * <!-- begin-user-doc --> An implementation of the model object ' <em><b>Path Query</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.emf.emfstore.internal.server.model.versioning.impl.PathQueryImpl#getTarget <em>Target</em>}
 * </li>
 * </ul>
 * </p>
 *
 * @generated NOT
 */
public class PathQueryImpl extends HistoryQueryImpl<ESPathQuery>implements PathQuery {

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

	/**
	 * 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;

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

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

	/**
	 * <!-- 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.PATH_QUERY__TARGET, null, null);
				if (newTarget.eInternalContainer() == null) {
					msgs = newTarget.eInverseAdd(this, EOPPOSITE_FEATURE_BASE - VersioningPackage.PATH_QUERY__TARGET,
						null, msgs);
				}
				if (msgs != null) {
					msgs.dispatch();
				}
				if (eNotificationRequired()) {
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, VersioningPackage.PATH_QUERY__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.PATH_QUERY__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.PATH_QUERY__TARGET, null, msgs);
			}
			if (newTarget != null) {
				msgs = ((InternalEObject) newTarget).eInverseAdd(this,
					EOPPOSITE_FEATURE_BASE - VersioningPackage.PATH_QUERY__TARGET, null, msgs);
			}
			msgs = basicSetTarget(newTarget, msgs);
			if (msgs != null) {
				msgs.dispatch();
			}
		} else if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, VersioningPackage.PATH_QUERY__TARGET, newTarget,
				newTarget));
		}
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case VersioningPackage.PATH_QUERY__TARGET:
			return basicSetTarget(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.PATH_QUERY__TARGET:
			if (resolve) {
				return getTarget();
			}
			return basicGetTarget();
		}
		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.PATH_QUERY__TARGET:
			setTarget((PrimaryVersionSpec) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

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

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

	public void setTarget(ESPrimaryVersionSpec target) {
		this.setTarget((PrimaryVersionSpec) target);
	}

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

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

} // PathQueryImpl