/**
 * *******************************************************************************
 * Copyright (c) 2009 Mia-Software.
 * 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:
 * 
 *     Fabien Giquel (Mia-Software) - initial API and implementation
 * *******************************************************************************
 *
 * $Id$
 */
package org.eclipse.gmt.modisco.java.emf.classic.impl;

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.gmt.modisco.java.Expression;
import org.eclipse.gmt.modisco.java.InfixExpression;
import org.eclipse.gmt.modisco.java.InfixExpressionKind;

import org.eclipse.gmt.modisco.java.emf.classic.JavaPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Infix Expression</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmt.modisco.java.emf.classic.impl.InfixExpressionImpl#getOperator <em>Operator</em>}</li>
 *   <li>{@link org.eclipse.gmt.modisco.java.emf.classic.impl.InfixExpressionImpl#getRightOperand <em>Right Operand</em>}</li>
 *   <li>{@link org.eclipse.gmt.modisco.java.emf.classic.impl.InfixExpressionImpl#getLeftOperand <em>Left Operand</em>}</li>
 *   <li>{@link org.eclipse.gmt.modisco.java.emf.classic.impl.InfixExpressionImpl#getExtendedOperands <em>Extended Operands</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class InfixExpressionImpl extends ExpressionImpl implements InfixExpression {
	/**
	 * The default value of the '{@link #getOperator() <em>Operator</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOperator()
	 * @generated
	 * @ordered
	 */
	protected static final InfixExpressionKind OPERATOR_EDEFAULT = InfixExpressionKind.TIMES;

	/**
	 * The cached value of the '{@link #getOperator() <em>Operator</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOperator()
	 * @generated
	 * @ordered
	 */
	protected InfixExpressionKind operator = OPERATOR_EDEFAULT;

	/**
	 * The cached value of the '{@link #getRightOperand() <em>Right Operand</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getRightOperand()
	 * @generated
	 * @ordered
	 */
	protected Expression rightOperand;

	/**
	 * The cached value of the '{@link #getLeftOperand() <em>Left Operand</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLeftOperand()
	 * @generated
	 * @ordered
	 */
	protected Expression leftOperand;

	/**
	 * The cached value of the '{@link #getExtendedOperands() <em>Extended Operands</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExtendedOperands()
	 * @generated
	 * @ordered
	 */
	protected EList<Expression> extendedOperands;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected InfixExpressionImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return JavaPackage.eINSTANCE.getInfixExpression();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public InfixExpressionKind getOperator() {
		return operator;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setOperator(InfixExpressionKind newOperator) {
		InfixExpressionKind oldOperator = operator;
		operator = newOperator == null ? OPERATOR_EDEFAULT : newOperator;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.INFIX_EXPRESSION__OPERATOR, oldOperator, operator));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getRightOperand() {
		return rightOperand;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetRightOperand(Expression newRightOperand, NotificationChain msgs) {
		Expression oldRightOperand = rightOperand;
		rightOperand = newRightOperand;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND, oldRightOperand, newRightOperand);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setRightOperand(Expression newRightOperand) {
		if (newRightOperand != rightOperand) {
			NotificationChain msgs = null;
			if (rightOperand != null)
				msgs = ((InternalEObject)rightOperand).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND, null, msgs);
			if (newRightOperand != null)
				msgs = ((InternalEObject)newRightOperand).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND, null, msgs);
			msgs = basicSetRightOperand(newRightOperand, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND, newRightOperand, newRightOperand));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getLeftOperand() {
		return leftOperand;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLeftOperand(Expression newLeftOperand, NotificationChain msgs) {
		Expression oldLeftOperand = leftOperand;
		leftOperand = newLeftOperand;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND, oldLeftOperand, newLeftOperand);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setLeftOperand(Expression newLeftOperand) {
		if (newLeftOperand != leftOperand) {
			NotificationChain msgs = null;
			if (leftOperand != null)
				msgs = ((InternalEObject)leftOperand).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND, null, msgs);
			if (newLeftOperand != null)
				msgs = ((InternalEObject)newLeftOperand).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND, null, msgs);
			msgs = basicSetLeftOperand(newLeftOperand, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND, newLeftOperand, newLeftOperand));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Expression> getExtendedOperands() {
		if (extendedOperands == null) {
			extendedOperands = new EObjectContainmentEList<Expression>(Expression.class, this, JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS);
		}
		return extendedOperands;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND:
				return basicSetRightOperand(null, msgs);
			case JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND:
				return basicSetLeftOperand(null, msgs);
			case JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS:
				return ((InternalEList<?>)getExtendedOperands()).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 JavaPackage.INFIX_EXPRESSION__OPERATOR:
				return getOperator();
			case JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND:
				return getRightOperand();
			case JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND:
				return getLeftOperand();
			case JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS:
				return getExtendedOperands();
		}
		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 JavaPackage.INFIX_EXPRESSION__OPERATOR:
				setOperator((InfixExpressionKind)newValue);
				return;
			case JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND:
				setRightOperand((Expression)newValue);
				return;
			case JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND:
				setLeftOperand((Expression)newValue);
				return;
			case JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS:
				getExtendedOperands().clear();
				getExtendedOperands().addAll((Collection<? extends Expression>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case JavaPackage.INFIX_EXPRESSION__OPERATOR:
				setOperator(OPERATOR_EDEFAULT);
				return;
			case JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND:
				setRightOperand((Expression)null);
				return;
			case JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND:
				setLeftOperand((Expression)null);
				return;
			case JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS:
				getExtendedOperands().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case JavaPackage.INFIX_EXPRESSION__OPERATOR:
				return operator != OPERATOR_EDEFAULT;
			case JavaPackage.INFIX_EXPRESSION__RIGHT_OPERAND:
				return rightOperand != null;
			case JavaPackage.INFIX_EXPRESSION__LEFT_OPERAND:
				return leftOperand != null;
			case JavaPackage.INFIX_EXPRESSION__EXTENDED_OPERANDS:
				return extendedOperands != null && !extendedOperands.isEmpty();
		}
		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(" (operator: "); //$NON-NLS-1$
		result.append(operator);
		result.append(')');
		return result.toString();
	}

} //InfixExpressionImpl