/*******************************************************************************
 * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
 * 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:
 * BMW Car IT - Initial API and implementation
 * Technische Universitaet Muenchen - Major refactoring and extension
 *******************************************************************************/
package org.eclipse.emf.edapt.spi.migration.impl;

import java.util.List;

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.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edapt.spi.migration.AttributeSlot;
import org.eclipse.emf.edapt.spi.migration.Instance;
import org.eclipse.emf.edapt.spi.migration.MigrationPackage;
import org.eclipse.emf.edapt.spi.migration.ReferenceSlot;
import org.eclipse.emf.edapt.spi.migration.Slot;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Slot</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.emf.edapt.spi.migration.impl.SlotImpl#getInstance <em>Instance</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class SlotImpl extends EObjectImpl implements Slot {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected SlotImpl() {
		super();
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Instance getInstance() {
		if (eContainerFeatureID() != MigrationPackage.SLOT__INSTANCE) {
			return null;
		}
		return (Instance) eContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public NotificationChain basicSetInstance(Instance newInstance, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject) newInstance, MigrationPackage.SLOT__INSTANCE, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void setInstance(Instance newInstance) {
		if (newInstance != eInternalContainer()
			|| eContainerFeatureID() != MigrationPackage.SLOT__INSTANCE && newInstance != null) {
			if (EcoreUtil.isAncestor(this, (EObject) newInstance)) {
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
			}
			NotificationChain msgs = null;
			if (eInternalContainer() != null) {
				msgs = eBasicRemoveFromContainer(msgs);
			}
			if (newInstance != null) {
				msgs = ((InternalEObject) newInstance).eInverseAdd(this, MigrationPackage.INSTANCE__SLOTS,
					Instance.class, msgs);
			}
			msgs = basicSetInstance(newInstance, msgs);
			if (msgs != null) {
				msgs.dispatch();
			}
		}
		else if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, MigrationPackage.SLOT__INSTANCE, newInstance,
				newInstance));
		}
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated NOT
	 */
	@Override
	public EStructuralFeature getEFeature() {
		if (this instanceof AttributeSlot) {
			return ((AttributeSlot) this).getEAttribute();
		}
		else if (this instanceof ReferenceSlot) {
			return ((ReferenceSlot) this).getEReference();
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case MigrationPackage.SLOT__INSTANCE:
			if (eInternalContainer() != null) {
				msgs = eBasicRemoveFromContainer(msgs);
			}
			return basicSetInstance((Instance) otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
		case MigrationPackage.SLOT__INSTANCE:
			return eInternalContainer().eInverseRemove(this, MigrationPackage.INSTANCE__SLOTS, Instance.class, msgs);
		}
		return super.eBasicRemoveFromContainerFeature(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case MigrationPackage.SLOT__INSTANCE:
			return getInstance();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case MigrationPackage.SLOT__INSTANCE:
			setInstance((Instance) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case MigrationPackage.SLOT__INSTANCE:
			setInstance((Instance) null);
			return;
		}
		super.eUnset(featureID);
	}

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

	/**
	 * Get the values of a slot
	 *
	 * @return Values
	 */
	public abstract List<?> getValues();

} // SlotImpl