/**
 * <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.qvtschedule.impl;

import java.util.Collection;

import java.util.List;
import org.eclipse.emf.common.notify.Notification;
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.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.Operation;
import org.eclipse.ocl.pivot.internal.ModelImpl;
import org.eclipse.ocl.pivot.internal.NamedElementImpl;
import org.eclipse.ocl.pivot.util.Visitor;
import org.eclipse.qvtd.pivot.qvtschedule.Node;
import org.eclipse.qvtd.pivot.qvtschedule.OperationRegion;
import org.eclipse.qvtd.pivot.qvtschedule.QVTschedulePackage;
import org.eclipse.qvtd.pivot.qvtschedule.ScheduleModel;
import org.eclipse.qvtd.pivot.qvtschedule.util.QVTscheduleVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Operation Region</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.OperationRegionImpl#getDependencyNodes <em>Dependency Nodes</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.OperationRegionImpl#getHeadNodes <em>Head Nodes</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.OperationRegionImpl#getReferredOperation <em>Referred Operation</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.OperationRegionImpl#getResultNode <em>Result Node</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.OperationRegionImpl#getOwningScheduleModel <em>Owning Schedule Model</em>}</li>
 * </ul>
 *
 * @generated
 */
public class OperationRegionImpl extends RegionImpl implements OperationRegion {
	/**
	 * The number of structural features of the '<em>Operation Region</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int OPERATION_REGION_FEATURE_COUNT = RegionImpl.REGION_FEATURE_COUNT + 5;
	/**
	 * The number of operations of the '<em>Operation Region</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int OPERATION_REGION_OPERATION_COUNT = RegionImpl.REGION_OPERATION_COUNT + 0;
	/**
	 * The cached value of the '{@link #getDependencyNodes() <em>Dependency Nodes</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getDependencyNodes()
	 * @generated
	 * @ordered
	 */
	protected EList<Node> dependencyNodes;
	/**
	 * The cached value of the '{@link #getHeadNodes() <em>Head Nodes</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getHeadNodes()
	 * @generated
	 * @ordered
	 */
	protected EList<Node> headNodes;
	/**
	 * The cached value of the '{@link #getReferredOperation() <em>Referred Operation</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getReferredOperation()
	 * @generated
	 * @ordered
	 */
	protected Operation referredOperation;
	/**
	 * The cached value of the '{@link #getResultNode() <em>Result Node</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getResultNode()
	 * @generated
	 * @ordered
	 */
	protected Node resultNode;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public List<Node> getDependencyNodes() {
		if (dependencyNodes == null) {
			dependencyNodes = new EObjectResolvingEList<Node>(Node.class, this, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 5);
		}
		return dependencyNodes;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public List<Node> getHeadNodes() {
		if (headNodes == null) {
			headNodes = new EObjectResolvingEList<Node>(Node.class, this, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 6);
		}
		return headNodes;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Operation getReferredOperation() {
		if (referredOperation != null && referredOperation.eIsProxy()) {
			InternalEObject oldReferredOperation = (InternalEObject)referredOperation;
			referredOperation = (Operation)eResolveProxy(oldReferredOperation);
			if (referredOperation != oldReferredOperation) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7, oldReferredOperation, referredOperation));
			}
		}
		return referredOperation;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Operation basicGetReferredOperation() {
		return referredOperation;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setReferredOperation(Operation newReferredOperation) {
		Operation oldReferredOperation = referredOperation;
		referredOperation = newReferredOperation;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7, oldReferredOperation, referredOperation));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Node getResultNode() {
		if (resultNode != null && resultNode.eIsProxy()) {
			InternalEObject oldResultNode = (InternalEObject)resultNode;
			resultNode = (Node)eResolveProxy(oldResultNode);
			if (resultNode != oldResultNode) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8, oldResultNode, resultNode));
			}
		}
		return resultNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Node basicGetResultNode() {
		return resultNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setResultNode(Node newResultNode) {
		Node oldResultNode = resultNode;
		resultNode = newResultNode;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8, oldResultNode, resultNode));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public ScheduleModel getOwningScheduleModel() {
		if (eContainerFeatureID() != (NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9)) return null;
		return (ScheduleModel)eInternalContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetOwningScheduleModel(ScheduleModel newOwningScheduleModel, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newOwningScheduleModel, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setOwningScheduleModel(ScheduleModel newOwningScheduleModel) {
		if (newOwningScheduleModel != eInternalContainer() || (eContainerFeatureID() != (NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9) && newOwningScheduleModel != null)) {
			if (EcoreUtil.isAncestor(this, newOwningScheduleModel))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newOwningScheduleModel != null)
				msgs = ((InternalEObject)newOwningScheduleModel).eInverseAdd(this, ModelImpl.MODEL_FEATURE_COUNT + 2, ScheduleModel.class, msgs);
			msgs = basicSetOwningScheduleModel(newOwningScheduleModel, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9, newOwningScheduleModel, newOwningScheduleModel));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetOwningScheduleModel((ScheduleModel)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 NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				return basicSetOwningScheduleModel(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				return eInternalContainer().eInverseRemove(this, ModelImpl.MODEL_FEATURE_COUNT + 2, ScheduleModel.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 NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 5:
				return getDependencyNodes();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 6:
				return getHeadNodes();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7:
				if (resolve) return getReferredOperation();
				return basicGetReferredOperation();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8:
				if (resolve) return getResultNode();
				return basicGetResultNode();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				return getOwningScheduleModel();
		}
		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 NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 5:
				getDependencyNodes().clear();
				getDependencyNodes().addAll((Collection<? extends Node>)newValue);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 6:
				getHeadNodes().clear();
				getHeadNodes().addAll((Collection<? extends Node>)newValue);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7:
				setReferredOperation((Operation)newValue);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8:
				setResultNode((Node)newValue);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				setOwningScheduleModel((ScheduleModel)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 5:
				getDependencyNodes().clear();
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 6:
				getHeadNodes().clear();
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7:
				setReferredOperation((Operation)null);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8:
				setResultNode((Node)null);
				return;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				setOwningScheduleModel((ScheduleModel)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 5:
				return dependencyNodes != null && !dependencyNodes.isEmpty();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 6:
				return headNodes != null && !headNodes.isEmpty();
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 7:
				return referredOperation != null;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 8:
				return resultNode != null;
			case NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 9:
				return getOwningScheduleModel() != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public @NonNull String toString() {
		return super.toString();
	}

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

	@Override
	public void addDependencyNode(@NonNull Node dependencyNode) {
		getDependencyNodes().add(dependencyNode);
	}

	@Override
	public void addHeadNode(@NonNull Node headNode) {
		getHeadNodes().add(headNode);
	}

	/*	@Override
	protected void computeSymbolName(@NonNull SymbolNameBuilder s) {
		s.appendString("o_");
		s.appendName(name);
	} */

	@Override
	public final @Nullable String getSymbolName() {
		return null;
	}

	@Override
	public boolean isOperationRegion() {
		return true;
	}
} //OperationRegionImpl