/*******************************************************************************
 * Copyright (c) 2008, 2012 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
 *******************************************************************************/
package org.eclipse.acceleo.parser.cst.impl;

import org.eclipse.acceleo.parser.cst.CstPackage;
import org.eclipse.acceleo.parser.cst.ModelExpression;
import org.eclipse.acceleo.parser.cst.Variable;
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;
import org.eclipse.emf.ecore.impl.EObjectImpl;

/**
 * <!-- begin-user-doc --> An implementation of the model object '<em><b>Variable</b></em>'. <!-- end-user-doc
 * -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.acceleo.parser.cst.impl.VariableImpl#getStartPosition <em>Start Position</em>}</li>
 * <li>{@link org.eclipse.acceleo.parser.cst.impl.VariableImpl#getEndPosition <em>End Position</em>}</li>
 * <li>{@link org.eclipse.acceleo.parser.cst.impl.VariableImpl#getName <em>Name</em>}</li>
 * <li>{@link org.eclipse.acceleo.parser.cst.impl.VariableImpl#getType <em>Type</em>}</li>
 * </ul>
 * </p>
 * 
 * @generated
 */
public class VariableImpl extends EObjectImpl implements Variable {
	/**
	 * The default value of the '{@link #getStartPosition() <em>Start Position</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getStartPosition()
	 * @generated
	 * @ordered
	 */
	protected static final int START_POSITION_EDEFAULT = 0;

	/**
	 * The cached value of the '{@link #getStartPosition() <em>Start Position</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getStartPosition()
	 * @generated
	 * @ordered
	 */
	protected int startPosition = START_POSITION_EDEFAULT;

	/**
	 * The default value of the '{@link #getEndPosition() <em>End Position</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getEndPosition()
	 * @generated
	 * @ordered
	 */
	protected static final int END_POSITION_EDEFAULT = 0;

	/**
	 * The cached value of the '{@link #getEndPosition() <em>End Position</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getEndPosition()
	 * @generated
	 * @ordered
	 */
	protected int endPosition = END_POSITION_EDEFAULT;

	/**
	 * The default value of the '{@link #getName() <em>Name</em>}' attribute. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @see #getName()
	 * @generated
	 * @ordered
	 */
	protected static final String NAME_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @see #getName()
	 * @generated
	 * @ordered
	 */
	protected String name = NAME_EDEFAULT;

	/**
	 * The default value of the '{@link #getType() <em>Type</em>}' attribute. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected static final String TYPE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' attribute. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected String type = TYPE_EDEFAULT;

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

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public int getStartPosition() {
		return startPosition;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setStartPosition(int newStartPosition) {
		int oldStartPosition = startPosition;
		startPosition = newStartPosition;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CstPackage.VARIABLE__START_POSITION,
					oldStartPosition, startPosition));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public int getEndPosition() {
		return endPosition;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setEndPosition(int newEndPosition) {
		int oldEndPosition = endPosition;
		endPosition = newEndPosition;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CstPackage.VARIABLE__END_POSITION,
					oldEndPosition, endPosition));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public String getName() {
		return name;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setName(String newName) {
		String oldName = name;
		name = newName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CstPackage.VARIABLE__NAME, oldName, name));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public String getType() {
		return type;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setType(String newType) {
		String oldType = type;
		type = newType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CstPackage.VARIABLE__TYPE, oldType, type));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public ModelExpression getInitExpression() {
		return initExpression;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain basicSetInitExpression(ModelExpression newInitExpression, NotificationChain msgs) {
		ModelExpression oldInitExpression = initExpression;
		initExpression = newInitExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
					CstPackage.VARIABLE__INIT_EXPRESSION, oldInitExpression, newInitExpression);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void setInitExpression(ModelExpression newInitExpression) {
		if (newInitExpression != initExpression) {
			NotificationChain msgs = null;
			if (initExpression != null)
				msgs = ((InternalEObject)initExpression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE
						- CstPackage.VARIABLE__INIT_EXPRESSION, null, msgs);
			if (newInitExpression != null)
				msgs = ((InternalEObject)newInitExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE
						- CstPackage.VARIABLE__INIT_EXPRESSION, null, msgs);
			msgs = basicSetInitExpression(newInitExpression, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CstPackage.VARIABLE__INIT_EXPRESSION,
					newInitExpression, newInitExpression));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case CstPackage.VARIABLE__INIT_EXPRESSION:
				return basicSetInitExpression(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 CstPackage.VARIABLE__START_POSITION:
				return new Integer(getStartPosition());
			case CstPackage.VARIABLE__END_POSITION:
				return new Integer(getEndPosition());
			case CstPackage.VARIABLE__NAME:
				return getName();
			case CstPackage.VARIABLE__TYPE:
				return getType();
			case CstPackage.VARIABLE__INIT_EXPRESSION:
				return getInitExpression();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CstPackage.VARIABLE__START_POSITION:
				setStartPosition(((Integer)newValue).intValue());
				return;
			case CstPackage.VARIABLE__END_POSITION:
				setEndPosition(((Integer)newValue).intValue());
				return;
			case CstPackage.VARIABLE__NAME:
				setName((String)newValue);
				return;
			case CstPackage.VARIABLE__TYPE:
				setType((String)newValue);
				return;
			case CstPackage.VARIABLE__INIT_EXPRESSION:
				setInitExpression((ModelExpression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case CstPackage.VARIABLE__START_POSITION:
				setStartPosition(START_POSITION_EDEFAULT);
				return;
			case CstPackage.VARIABLE__END_POSITION:
				setEndPosition(END_POSITION_EDEFAULT);
				return;
			case CstPackage.VARIABLE__NAME:
				setName(NAME_EDEFAULT);
				return;
			case CstPackage.VARIABLE__TYPE:
				setType(TYPE_EDEFAULT);
				return;
			case CstPackage.VARIABLE__INIT_EXPRESSION:
				setInitExpression((ModelExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CstPackage.VARIABLE__START_POSITION:
				return startPosition != START_POSITION_EDEFAULT;
			case CstPackage.VARIABLE__END_POSITION:
				return endPosition != END_POSITION_EDEFAULT;
			case CstPackage.VARIABLE__NAME:
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case CstPackage.VARIABLE__TYPE:
				return TYPE_EDEFAULT == null ? type != null : !TYPE_EDEFAULT.equals(type);
			case CstPackage.VARIABLE__INIT_EXPRESSION:
				return initExpression != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (startPosition: "); //$NON-NLS-1$
		result.append(startPosition);
		result.append(", endPosition: "); //$NON-NLS-1$
		result.append(endPosition);
		result.append(", name: "); //$NON-NLS-1$
		result.append(name);
		result.append(", type: "); //$NON-NLS-1$
		result.append(type);
		result.append(')');
		return result.toString();
	}

} // VariableImpl