/**
 * Copyright (c) 2008, 2012, 2015 Obeo.
 * 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:
 *     Obeo - initial API and implementation
 *     Dennis Wagelaar (Vrije Universiteit Brussel)
 */
package org.eclipse.m2m.atl.common.ATL;

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.eclipse.m2m.atl.common.OCL.Iterator;
import org.eclipse.m2m.atl.common.OCL.OclExpression;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>For Stat</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.m2m.atl.common.ATL.ForStat#getIterator <em>Iterator</em>}</li>
 *   <li>{@link org.eclipse.m2m.atl.common.ATL.ForStat#getCollection <em>Collection</em>}</li>
 *   <li>{@link org.eclipse.m2m.atl.common.ATL.ForStat#getStatements <em>Statements</em>}</li>
 * </ul>
 *
 * @see org.eclipse.m2m.atl.common.ATL.ATLPackage#getForStat()
 * @model kind="class"
 * @generated
 */
public class ForStat extends Statement {
	/**
	 * The cached value of the '{@link #getIterator() <em>Iterator</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getIterator()
	 * @generated
	 * @ordered
	 */
	protected Iterator iterator;

	/**
	 * The cached value of the '{@link #getCollection() <em>Collection</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCollection()
	 * @generated
	 * @ordered
	 */
	protected OclExpression collection;

	/**
	 * The cached value of the '{@link #getStatements() <em>Statements</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getStatements()
	 * @generated
	 * @ordered
	 */
	protected EList<Statement> statements;

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

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

	/**
	 * Returns the value of the '<em><b>Iterator</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Iterator</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Iterator</em>' containment reference.
	 * @see #setIterator(Iterator)
	 * @see org.eclipse.m2m.atl.common.ATL.ATLPackage#getForStat_Iterator()
	 * @model containment="true" required="true" ordered="false"
	 * @generated
	 */
	public Iterator getIterator() {
		return iterator;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetIterator(Iterator newIterator, NotificationChain msgs) {
		Iterator oldIterator = iterator;
		iterator = newIterator;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ATLPackage.FOR_STAT__ITERATOR, oldIterator, newIterator);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.m2m.atl.common.ATL.ForStat#getIterator <em>Iterator</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Iterator</em>' containment reference.
	 * @see #getIterator()
	 * @generated
	 */
	public void setIterator(Iterator newIterator) {
		if (newIterator != iterator) {
			NotificationChain msgs = null;
			if (iterator != null)
				msgs = ((InternalEObject)iterator).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ATLPackage.FOR_STAT__ITERATOR, null, msgs);
			if (newIterator != null)
				msgs = ((InternalEObject)newIterator).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ATLPackage.FOR_STAT__ITERATOR, null, msgs);
			msgs = basicSetIterator(newIterator, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ATLPackage.FOR_STAT__ITERATOR, newIterator, newIterator));
	}

	/**
	 * Returns the value of the '<em><b>Collection</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Collection</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Collection</em>' containment reference.
	 * @see #setCollection(OclExpression)
	 * @see org.eclipse.m2m.atl.common.ATL.ATLPackage#getForStat_Collection()
	 * @model containment="true" required="true" ordered="false"
	 * @generated
	 */
	public OclExpression getCollection() {
		return collection;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetCollection(OclExpression newCollection, NotificationChain msgs) {
		OclExpression oldCollection = collection;
		collection = newCollection;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ATLPackage.FOR_STAT__COLLECTION, oldCollection, newCollection);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.m2m.atl.common.ATL.ForStat#getCollection <em>Collection</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Collection</em>' containment reference.
	 * @see #getCollection()
	 * @generated
	 */
	public void setCollection(OclExpression newCollection) {
		if (newCollection != collection) {
			NotificationChain msgs = null;
			if (collection != null)
				msgs = ((InternalEObject)collection).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ATLPackage.FOR_STAT__COLLECTION, null, msgs);
			if (newCollection != null)
				msgs = ((InternalEObject)newCollection).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ATLPackage.FOR_STAT__COLLECTION, null, msgs);
			msgs = basicSetCollection(newCollection, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ATLPackage.FOR_STAT__COLLECTION, newCollection, newCollection));
	}

	/**
	 * Returns the value of the '<em><b>Statements</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.m2m.atl.common.ATL.Statement}.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Statements</em>' containment reference list isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Statements</em>' containment reference list.
	 * @see org.eclipse.m2m.atl.common.ATL.ATLPackage#getForStat_Statements()
	 * @model containment="true"
	 * @generated
	 */
	public EList<Statement> getStatements() {
		if (statements == null) {
			statements = new EObjectContainmentEList<Statement>(Statement.class, this, ATLPackage.FOR_STAT__STATEMENTS);
		}
		return statements;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ATLPackage.FOR_STAT__ITERATOR:
				return basicSetIterator(null, msgs);
			case ATLPackage.FOR_STAT__COLLECTION:
				return basicSetCollection(null, msgs);
			case ATLPackage.FOR_STAT__STATEMENTS:
				return ((InternalEList<?>)getStatements()).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 ATLPackage.FOR_STAT__ITERATOR:
				return getIterator();
			case ATLPackage.FOR_STAT__COLLECTION:
				return getCollection();
			case ATLPackage.FOR_STAT__STATEMENTS:
				return getStatements();
		}
		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 ATLPackage.FOR_STAT__ITERATOR:
				setIterator((Iterator)newValue);
				return;
			case ATLPackage.FOR_STAT__COLLECTION:
				setCollection((OclExpression)newValue);
				return;
			case ATLPackage.FOR_STAT__STATEMENTS:
				getStatements().clear();
				getStatements().addAll((Collection<? extends Statement>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ATLPackage.FOR_STAT__ITERATOR:
				setIterator((Iterator)null);
				return;
			case ATLPackage.FOR_STAT__COLLECTION:
				setCollection((OclExpression)null);
				return;
			case ATLPackage.FOR_STAT__STATEMENTS:
				getStatements().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ATLPackage.FOR_STAT__ITERATOR:
				return iterator != null;
			case ATLPackage.FOR_STAT__COLLECTION:
				return collection != null;
			case ATLPackage.FOR_STAT__STATEMENTS:
				return statements != null && !statements.isEmpty();
		}
		return super.eIsSet(featureID);
	}

} // ForStat