AssignmentOperationImpl.java

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

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

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>Assignment Operation</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.AssignmentOperationImpl#getLeftHandSide <em>Left Hand Side</em>}</li>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.AssignmentOperationImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class AssignmentOperationImpl extends ExpressionImpl implements AssignmentOperation {
	/**
	 * The cached value of the '{@link #getLeftHandSide() <em>Left Hand Side</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLeftHandSide()
	 * @generated
	 * @ordered
	 */
	protected Expression leftHandSide = null;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLeftHandSide(Expression newLeftHandSide, NotificationChain msgs) {
		Expression oldLeftHandSide = leftHandSide;
		leftHandSide = newLeftHandSide;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.ASSIGNMENT_OPERATION__LEFT_HAND_SIDE, oldLeftHandSide, newLeftHandSide);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetValue(Expression newValue, NotificationChain msgs) {
		Expression oldValue = value;
		value = newValue;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.ASSIGNMENT_OPERATION__VALUE, oldValue, newValue);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case AstPackage.ASSIGNMENT_OPERATION__LEFT_HAND_SIDE:
				return basicSetLeftHandSide(null, msgs);
			case AstPackage.ASSIGNMENT_OPERATION__VALUE:
				return basicSetValue(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.ASSIGNMENT_OPERATION__LEFT_HAND_SIDE:
				return getLeftHandSide();
			case AstPackage.ASSIGNMENT_OPERATION__VALUE:
				return getValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case AstPackage.ASSIGNMENT_OPERATION__LEFT_HAND_SIDE:
				setLeftHandSide((Expression)null);
				return;
			case AstPackage.ASSIGNMENT_OPERATION__VALUE:
				setValue((Expression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case AstPackage.ASSIGNMENT_OPERATION__LEFT_HAND_SIDE:
				return leftHandSide != null;
			case AstPackage.ASSIGNMENT_OPERATION__VALUE:
				return value != null;
		}
		return super.eIsSet(featureID);
	}

} //AssignmentOperationImpl