/**
 * <copyright>
 *
 * Copyright (c) 2013, 2019 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *   E.D.Willink - Initial API and implementation
 *
 * </copyright>
 */
package org.eclipse.qvtd.pivot.qvtcore.impl;

import java.lang.reflect.InvocationTargetException;
import java.util.Collection;

import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.jdt.annotation.NonNull;

import org.eclipse.ocl.pivot.Variable;

import org.eclipse.ocl.pivot.util.Visitor;

import org.eclipse.qvtd.pivot.qvtbase.impl.PatternImpl;

import org.eclipse.qvtd.pivot.qvtcore.Area;
import org.eclipse.qvtd.pivot.qvtcore.CorePattern;
import org.eclipse.qvtd.pivot.qvtcore.QVTcorePackage;

import org.eclipse.qvtd.pivot.qvtcore.util.QVTcoreVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Core Pattern</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtcore.impl.CorePatternImpl#getVariable <em>Variable</em>}</li>
 * </ul>
 *
 * @generated
 */
public class CorePatternImpl extends PatternImpl implements CorePattern {
	/**
	 * The number of structural features of the '<em>Core Pattern</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int CORE_PATTERN_FEATURE_COUNT = PatternImpl.PATTERN_FEATURE_COUNT + 1;
	/**
	 * The number of operations of the '<em>Core Pattern</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int CORE_PATTERN_OPERATION_COUNT = PatternImpl.PATTERN_OPERATION_COUNT + 1;
	/**
	 * The cached value of the '{@link #getVariable() <em>Variable</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariable()
	 * @generated
	 * @ordered
	 */
	protected EList<Variable> variable;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EList<Variable> getVariable() {
		if (variable == null) {
			variable = new EObjectContainmentEList<Variable>(Variable.class, this, PatternImpl.PATTERN_FEATURE_COUNT + 0);
		}
		return variable;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Area getArea() {
		throw new UnsupportedOperationException();  // FIXME Unimplemented http://www.eclipse.org/qvt/2015/QVTcore!CorePattern!getArea()
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case PatternImpl.PATTERN_FEATURE_COUNT + 0:
				return ((InternalEList<?>)getVariable()).basicRemove(otherEnd, 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 PatternImpl.PATTERN_FEATURE_COUNT + 0:
				return getVariable();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case PatternImpl.PATTERN_FEATURE_COUNT + 0:
				getVariable().clear();
				getVariable().addAll((Collection<? extends Variable>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case PatternImpl.PATTERN_FEATURE_COUNT + 0:
				getVariable().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case PatternImpl.PATTERN_FEATURE_COUNT + 0:
				return variable != null && !variable.isEmpty();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
		switch (operationID) {
			case PatternImpl.PATTERN_OPERATION_COUNT + 0:
				return getArea();
		}
		return super.eInvoke(operationID, arguments);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <R> R accept(@NonNull Visitor<R> visitor) {
		return (R) ((QVTcoreVisitor<?>)visitor).visitCorePattern(this);
	}

} //CorePatternImpl