InstanceRefImpl.java

/*
 * Copyright (c) 2003- michael lawley and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation
 * which accompanies this distribution, and is available by writing to
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Contributors:
 *     michael lawley
 *
 *
 */
package tefkat.model.impl;


import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import tefkat.model.Expression;
import tefkat.model.InstanceRef;
import tefkat.model.TefkatFactory;
import tefkat.model.TefkatPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Instance Ref</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link tefkat.model.impl.InstanceRefImpl#getObject <em>Object</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class InstanceRefImpl extends ExpressionImpl implements InstanceRef {
    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public static final String copyright = "Copyright michael lawley Pty Ltd 2003-2007";

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

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

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EObject getObject() {
        if (object != null && object.eIsProxy()) {
            InternalEObject oldObject = (InternalEObject)object;
            object = eResolveProxy(oldObject);
            if (object != oldObject) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE, TefkatPackage.INSTANCE_REF__OBJECT, oldObject, object));
            }
        }
        return object;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EObject basicGetObject() {
        return object;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setObject(EObject newObject) {
        EObject oldObject = object;
        object = newObject;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, TefkatPackage.INSTANCE_REF__OBJECT, oldObject, object));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
            case TefkatPackage.INSTANCE_REF__OBJECT:
                if (resolve) return getObject();
                return basicGetObject();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case TefkatPackage.INSTANCE_REF__OBJECT:
                setObject((EObject)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void eUnset(int featureID) {
        switch (featureID) {
            case TefkatPackage.INSTANCE_REF__OBJECT:
                setObject((EObject)null);
                return;
        }
        super.eUnset(featureID);
    }

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

    /**
     * <!-- begin-user-doc -->
     * Create a (deep) copy of this instance.
     * Contained EObjects are also copied while referenced EObjects are not.
     * <!-- end-user-doc -->
     */
    public Expression copy() {
        InstanceRef copy = TefkatFactory.eINSTANCE.createInstanceRef();
        copy.setObject(getObject());
        return copy;
    }
    
    public String toString() {
        return getObject() instanceof EClassifier ? ((EClassifier) getObject()).getName() : String.valueOf(getObject());
    }

} //InstanceRefImpl