ForEachInStatementImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id: ForEachInStatementImpl.java,v 1.3 2011/04/18 08:29:42 apanchenk Exp $
 */
package org.eclipse.dltk.javascript.core.dom.impl;

import org.eclipse.dltk.javascript.core.dom.DomPackage;
import org.eclipse.dltk.javascript.core.dom.Expression;
import org.eclipse.dltk.javascript.core.dom.ForEachInStatement;
import org.eclipse.dltk.javascript.core.dom.IForInitializer;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>For Each In Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.dltk.javascript.core.dom.impl.ForEachInStatementImpl#getItem <em>Item</em>}</li>
 *   <li>{@link org.eclipse.dltk.javascript.core.dom.impl.ForEachInStatementImpl#getCollection <em>Collection</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ForEachInStatementImpl extends IterationStatementImpl implements ForEachInStatement {
	/**
	 * The cached value of the '{@link #getItem() <em>Item</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getItem()
	 * @generated
	 * @ordered
	 */
	protected IForInitializer item;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public IForInitializer getItem() {
		return item;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetItem(IForInitializer newItem, NotificationChain msgs) {
		IForInitializer oldItem = item;
		item = newItem;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, DomPackage.FOR_EACH_IN_STATEMENT__ITEM, oldItem, newItem);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setItem(IForInitializer newItem) {
		if (newItem != item) {
			NotificationChain msgs = null;
			if (item != null)
				msgs = ((InternalEObject)item).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - DomPackage.FOR_EACH_IN_STATEMENT__ITEM, null, msgs);
			if (newItem != null)
				msgs = ((InternalEObject)newItem).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - DomPackage.FOR_EACH_IN_STATEMENT__ITEM, null, msgs);
			msgs = basicSetItem(newItem, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DomPackage.FOR_EACH_IN_STATEMENT__ITEM, newItem, newItem));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getCollection() {
		return collection;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setCollection(Expression newCollection) {
		if (newCollection != collection) {
			NotificationChain msgs = null;
			if (collection != null)
				msgs = ((InternalEObject)collection).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION, null, msgs);
			if (newCollection != null)
				msgs = ((InternalEObject)newCollection).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION, null, msgs);
			msgs = basicSetCollection(newCollection, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION, newCollection, newCollection));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case DomPackage.FOR_EACH_IN_STATEMENT__ITEM:
				return basicSetItem(null, msgs);
			case DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION:
				return basicSetCollection(null, 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 DomPackage.FOR_EACH_IN_STATEMENT__ITEM:
				return getItem();
			case DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION:
				return getCollection();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case DomPackage.FOR_EACH_IN_STATEMENT__ITEM:
				setItem((IForInitializer)newValue);
				return;
			case DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION:
				setCollection((Expression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case DomPackage.FOR_EACH_IN_STATEMENT__ITEM:
				setItem((IForInitializer)null);
				return;
			case DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION:
				setCollection((Expression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case DomPackage.FOR_EACH_IN_STATEMENT__ITEM:
				return item != null;
			case DomPackage.FOR_EACH_IN_STATEMENT__COLLECTION:
				return collection != null;
		}
		return super.eIsSet(featureID);
	}

} //ForEachInStatementImpl