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/*
 * Copyright (c) 2012 - 2024 Data In Motion and others.
 * All rights reserved. 
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *      Mark Hoffmann - initial API and implementation
 */
package org.omg.bpmn.bpmn2.impl;

import java.util.Collection;

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

import org.omg.bpmn.bpmn2.Bpmn2Package;
import org.omg.bpmn.bpmn2.Rendering;
import org.omg.bpmn.bpmn2.UserTask;

/**
 * 
 * An implementation of the model object 'User Task'.
 * 
 * 
 * The following features are implemented:
 * 
 * 
 *   {@link org.omg.bpmn.bpmn2.impl.UserTaskImpl#getRenderings Renderings}
 *   {@link org.omg.bpmn.bpmn2.impl.UserTaskImpl#getImplementation Implementation}
 * 
 *
 * @generated
 */
public class UserTaskImpl extends TaskImpl implements UserTask {
	/**
	 * The cached value of the '{@link #getRenderings() Renderings}' containment reference list.
	 * 
	 * 
	 * @see #getRenderings()
	 * @generated
	 * @ordered
	 */
	protected EList renderings;

	/**
	 * The default value of the '{@link #getImplementation() Implementation}' attribute.
	 * 
	 * 
	 * @see #getImplementation()
	 * @generated
	 * @ordered
	 */
	protected static final String IMPLEMENTATION_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getImplementation() Implementation}' attribute.
	 * 
	 * 
	 * @see #getImplementation()
	 * @generated
	 * @ordered
	 */
	protected String implementation = IMPLEMENTATION_EDEFAULT;

	/**
	 * 
	 * 
	 * @generated
	 */
	protected UserTaskImpl() {
		super();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return Bpmn2Package.eINSTANCE.getUserTask();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public EList getRenderings() {
		if (renderings == null) {
			renderings = new EObjectContainmentEList(Rendering.class, this, Bpmn2Package.USER_TASK__RENDERINGS);
		}
		return renderings;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public String getImplementation() {
		return implementation;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setImplementation(String newImplementation) {
		String oldImplementation = implementation;
		implementation = newImplementation;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.USER_TASK__IMPLEMENTATION, oldImplementation, implementation));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case Bpmn2Package.USER_TASK__RENDERINGS:
				return ((InternalEList)getRenderings()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case Bpmn2Package.USER_TASK__RENDERINGS:
				return getRenderings();
			case Bpmn2Package.USER_TASK__IMPLEMENTATION:
				return getImplementation();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case Bpmn2Package.USER_TASK__RENDERINGS:
				getRenderings().clear();
				getRenderings().addAll((Collection)newValue);
				return;
			case Bpmn2Package.USER_TASK__IMPLEMENTATION:
				setImplementation((String)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case Bpmn2Package.USER_TASK__RENDERINGS:
				getRenderings().clear();
				return;
			case Bpmn2Package.USER_TASK__IMPLEMENTATION:
				setImplementation(IMPLEMENTATION_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case Bpmn2Package.USER_TASK__RENDERINGS:
				return renderings != null && !renderings.isEmpty();
			case Bpmn2Package.USER_TASK__IMPLEMENTATION:
				return IMPLEMENTATION_EDEFAULT == null ? implementation != null : !IMPLEMENTATION_EDEFAULT.equals(implementation);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuilder result = new StringBuilder(super.toString());
		result.append(" (implementation: ");
		result.append(implementation);
		result.append(')');
		return result.toString();
	}

} //UserTaskImpl