/*******************************************************************************
 * Copyright (c) 2016 David Carlson 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:
 *     David Carlson (Clinical Cloud Solutions, LLC) - initial API and implementation
 *******************************************************************************/
/**
 */
package org.eclipse.mdht.uml.fhir.core.resource.impl;

import java.util.Collection;

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

import org.eclipse.emf.ecore.EClass;

import org.eclipse.emf.ecore.util.EObjectResolvingEList;

import org.eclipse.mdht.uml.fhir.core.datatype.ElementDefinition;

import org.eclipse.mdht.uml.fhir.core.datatype.impl.BackboneElementImpl;

import org.eclipse.mdht.uml.fhir.core.resource.FhirResourcePackage;
import org.eclipse.mdht.uml.fhir.core.resource.StructureDefinitionDifferential;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Structure Definition Differential</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.mdht.uml.fhir.core.resource.impl.StructureDefinitionDifferentialImpl#getElements <em>Element</em>}</li>
 * </ul>
 *
 * @generated
 */
public class StructureDefinitionDifferentialImpl extends BackboneElementImpl implements StructureDefinitionDifferential {
	/**
	 * The cached value of the '{@link #getElements() <em>Element</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getElements()
	 * @generated
	 * @ordered
	 */
	protected EList<ElementDefinition> elements;

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return FhirResourcePackage.eINSTANCE.getStructureDefinitionDifferential();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<ElementDefinition> getElements() {
		if (elements == null) {
			elements = new EObjectResolvingEList<ElementDefinition>(ElementDefinition.class, this, FhirResourcePackage.STRUCTURE_DEFINITION_DIFFERENTIAL__ELEMENT);
		}
		return elements;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case FhirResourcePackage.STRUCTURE_DEFINITION_DIFFERENTIAL__ELEMENT:
				return getElements();
		}
		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 FhirResourcePackage.STRUCTURE_DEFINITION_DIFFERENTIAL__ELEMENT:
				getElements().clear();
				getElements().addAll((Collection<? extends ElementDefinition>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case FhirResourcePackage.STRUCTURE_DEFINITION_DIFFERENTIAL__ELEMENT:
				getElements().clear();
				return;
		}
		super.eUnset(featureID);
	}

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

} //StructureDefinitionDifferentialImpl