MinusOpImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package net.sf.etl.samples.ej.ast.impl;

import net.sf.etl.samples.ej.ast.AstPackage;
import net.sf.etl.samples.ej.ast.Expression;
import net.sf.etl.samples.ej.ast.MinusOp;

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>Minus Op</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.MinusOpImpl#getMinuend <em>Minuend</em>}</li>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.MinusOpImpl#getSubtrahend <em>Subtrahend</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class MinusOpImpl extends ExpressionImpl implements MinusOp {
	/**
	 * The cached value of the '{@link #getMinuend() <em>Minuend</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getMinuend()
	 * @generated
	 * @ordered
	 */
	protected Expression minuend = null;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetMinuend(Expression newMinuend, NotificationChain msgs) {
		Expression oldMinuend = minuend;
		minuend = newMinuend;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.MINUS_OP__MINUEND, oldMinuend, newMinuend);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setMinuend(Expression newMinuend) {
		if (newMinuend != minuend) {
			NotificationChain msgs = null;
			if (minuend != null)
				msgs = ((InternalEObject)minuend).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - AstPackage.MINUS_OP__MINUEND, null, msgs);
			if (newMinuend != null)
				msgs = ((InternalEObject)newMinuend).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - AstPackage.MINUS_OP__MINUEND, null, msgs);
			msgs = basicSetMinuend(newMinuend, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, AstPackage.MINUS_OP__MINUEND, newMinuend, newMinuend));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetSubtrahend(Expression newSubtrahend, NotificationChain msgs) {
		Expression oldSubtrahend = subtrahend;
		subtrahend = newSubtrahend;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.MINUS_OP__SUBTRAHEND, oldSubtrahend, newSubtrahend);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSubtrahend(Expression newSubtrahend) {
		if (newSubtrahend != subtrahend) {
			NotificationChain msgs = null;
			if (subtrahend != null)
				msgs = ((InternalEObject)subtrahend).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - AstPackage.MINUS_OP__SUBTRAHEND, null, msgs);
			if (newSubtrahend != null)
				msgs = ((InternalEObject)newSubtrahend).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - AstPackage.MINUS_OP__SUBTRAHEND, null, msgs);
			msgs = basicSetSubtrahend(newSubtrahend, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, AstPackage.MINUS_OP__SUBTRAHEND, newSubtrahend, newSubtrahend));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case AstPackage.MINUS_OP__MINUEND:
				return basicSetMinuend(null, msgs);
			case AstPackage.MINUS_OP__SUBTRAHEND:
				return basicSetSubtrahend(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case AstPackage.MINUS_OP__MINUEND:
				return getMinuend();
			case AstPackage.MINUS_OP__SUBTRAHEND:
				return getSubtrahend();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case AstPackage.MINUS_OP__MINUEND:
				setMinuend((Expression)newValue);
				return;
			case AstPackage.MINUS_OP__SUBTRAHEND:
				setSubtrahend((Expression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case AstPackage.MINUS_OP__MINUEND:
				setMinuend((Expression)null);
				return;
			case AstPackage.MINUS_OP__SUBTRAHEND:
				setSubtrahend((Expression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case AstPackage.MINUS_OP__MINUEND:
				return minuend != null;
			case AstPackage.MINUS_OP__SUBTRAHEND:
				return subtrahend != null;
		}
		return super.eIsSet(featureID);
	}

} //MinusOpImpl