LabeledStatementImpl.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.Label;
import net.sf.etl.samples.ej.ast.LabeledStatement;

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>Labeled Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.etl.samples.ej.ast.impl.LabeledStatementImpl#getLabel <em>Label</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class LabeledStatementImpl extends MethodContentStatementImpl implements LabeledStatement {
	/**
	 * The cached value of the '{@link #getLabel() <em>Label</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLabel()
	 * @generated
	 * @ordered
	 */
	protected Label label = null;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Label getLabel() {
		return label;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLabel(Label newLabel, NotificationChain msgs) {
		Label oldLabel = label;
		label = newLabel;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AstPackage.LABELED_STATEMENT__LABEL, oldLabel, newLabel);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setLabel(Label newLabel) {
		if (newLabel != label) {
			NotificationChain msgs = null;
			if (label != null)
				msgs = ((InternalEObject)label).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - AstPackage.LABELED_STATEMENT__LABEL, null, msgs);
			if (newLabel != null)
				msgs = ((InternalEObject)newLabel).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - AstPackage.LABELED_STATEMENT__LABEL, null, msgs);
			msgs = basicSetLabel(newLabel, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, AstPackage.LABELED_STATEMENT__LABEL, newLabel, newLabel));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case AstPackage.LABELED_STATEMENT__LABEL:
				return basicSetLabel(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.LABELED_STATEMENT__LABEL:
				return getLabel();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case AstPackage.LABELED_STATEMENT__LABEL:
				setLabel((Label)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //LabeledStatementImpl