/**
 * <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.qvtimperative.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.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.Property;
import org.eclipse.ocl.pivot.internal.NamedElementImpl;
import org.eclipse.qvtd.pivot.qvtimperative.ObservableStatement;
import org.eclipse.qvtd.pivot.qvtimperative.QVTimperativePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Observable Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtimperative.impl.ObservableStatementImpl#getObservedProperties <em>Observed Properties</em>}</li>
 * </ul>
 *
 * @generated
 */
public abstract class ObservableStatementImpl extends StatementImpl implements ObservableStatement {
	/**
	 * The number of structural features of the '<em>Observable Statement</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int OBSERVABLE_STATEMENT_FEATURE_COUNT = StatementImpl.STATEMENT_FEATURE_COUNT + 1;
	/**
	 * The number of operations of the '<em>Observable Statement</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int OBSERVABLE_STATEMENT_OPERATION_COUNT = StatementImpl.STATEMENT_OPERATION_COUNT + 0;
	/**
	 * The cached value of the '{@link #getObservedProperties() <em>Observed Properties</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getObservedProperties()
	 * @generated
	 * @ordered
	 */
	protected EList<Property> observedProperties;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EList<Property> getObservedProperties() {
		if (observedProperties == null) {
			observedProperties = new EObjectResolvingEList<Property>(Property.class, this, NamedElementImpl.NAMED_ELEMENT_FEATURE_COUNT + 0);
		}
		return observedProperties;
	}

	@Override
	public @Nullable EList<Property> basicGetObservedProperties() {
		return observedProperties;
	}

	/**
	 * <!-- 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 + 0:
				return getObservedProperties();
		}
		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 + 0:
				getObservedProperties().clear();
				getObservedProperties().addAll((Collection<? extends Property>)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 + 0:
				getObservedProperties().clear();
				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 + 0:
				return observedProperties != null && !observedProperties.isEmpty();
		}
		return super.eIsSet(featureID);
	}


} //ObservableStatementImpl