RangeExpressionImpl.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.RangeExpression;

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>Range Expression</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.RangeExpressionImpl#getInitial <em>Initial</em>}</li>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.RangeExpressionImpl#getLimit <em>Limit</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class RangeExpressionImpl extends ExpressionImpl implements RangeExpression {
	/**
	 * The cached value of the '{@link #getInitial() <em>Initial</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getInitial()
	 * @generated
	 * @ordered
	 */
	protected Expression initial = null;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetInitial(Expression newInitial, NotificationChain msgs) {
		Expression oldInitial = initial;
		initial = newInitial;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.RANGE_EXPRESSION__INITIAL, oldInitial, newInitial);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLimit(Expression newLimit, NotificationChain msgs) {
		Expression oldLimit = limit;
		limit = newLimit;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.RANGE_EXPRESSION__LIMIT, oldLimit, newLimit);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case AstPackage.RANGE_EXPRESSION__INITIAL:
				return basicSetInitial(null, msgs);
			case AstPackage.RANGE_EXPRESSION__LIMIT:
				return basicSetLimit(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.RANGE_EXPRESSION__INITIAL:
				return getInitial();
			case AstPackage.RANGE_EXPRESSION__LIMIT:
				return getLimit();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case AstPackage.RANGE_EXPRESSION__INITIAL:
				setInitial((Expression)null);
				return;
			case AstPackage.RANGE_EXPRESSION__LIMIT:
				setLimit((Expression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case AstPackage.RANGE_EXPRESSION__INITIAL:
				return initial != null;
			case AstPackage.RANGE_EXPRESSION__LIMIT:
				return limit != null;
		}
		return super.eIsSet(featureID);
	}

} //RangeExpressionImpl