org.dresdenocl.essentialocl.expressions.impl.PropertyCallExpImpl.java Source code

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/**
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright (C) 2007 Matthias Braeuer (braeuer.matthias@web.de).            *
 * All rights reserved.                                                      *
 *                                                                           *
 * This work was done as a project at the Chair for Software Technology,     *
 * Dresden University Of Technology, Germany (http://st.inf.tu-dresden.de).  *
 * It is understood that any modification not identified as such is not      *
 * covered by the preceding statement.                                       *
 *                                                                           *
 * This work is free software; you can redistribute it and/or modify it      *
 * under the terms of the GNU Library General Public License as published    *
 * by the Free Software Foundation; either version 2 of the License, or      *
 * (at your option) any later version.                                       *
 *                                                                           *
 * This work is distributed in the hope that it will be useful, but WITHOUT  *
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     *
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public     *
 * License for more details.                                                 *
 *                                                                           *
 * You should have received a copy of the GNU Library General Public License *
 * along with this library; if not, you can view it online at                *
 * http://www.fsf.org/licensing/licenses/gpl.html.                           *
 *                                                                           *
 * To submit a bug report, send a comment, or get the latest news on this    *
 * project, please visit the website: http://dresden-ocl.sourceforge.net.    *
 * For more information on OCL and related projects visit the OCL Portal:    *
 * http://st.inf.tu-dresden.de/ocl                                           *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *
 * $Id$
 */
package org.dresdenocl.essentialocl.expressions.impl;

import java.util.Collection;
import java.util.List;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.apache.log4j.Logger;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.dresdenocl.essentialocl.expressions.OclExpression;
import org.dresdenocl.essentialocl.expressions.PropertyCallExp;
import org.dresdenocl.essentialocl.expressions.WellformednessException;
import org.dresdenocl.pivotmodel.Feature;
import org.dresdenocl.pivotmodel.Property;
import org.dresdenocl.pivotmodel.Type;

/**
 * <!-- begin-user-doc --> An implementation of the model object '<em><b>Property Call Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.dresdenocl.essentialocl.expressions.impl.PropertyCallExpImpl#getReferredProperty <em>Referred Property</em>}</li>
 *   <li>{@link org.dresdenocl.essentialocl.expressions.impl.PropertyCallExpImpl#getQualifier <em>Qualifier</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class PropertyCallExpImpl extends FeatureCallExpImpl implements PropertyCallExp {

    /**
     * Logger for this class
     */
    private static final Logger logger = Logger.getLogger(PropertyCallExpImpl.class);

    /**
     * The cached value of the '{@link #getReferredProperty() <em>Referred Property</em>}' reference.
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @see #getReferredProperty()
     * @generated
     * @ordered
     */
    protected Property referredProperty;

    /**
     * The cached value of the '{@link #getQualifier() <em>Qualifier</em>}' containment reference list.
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @see #getQualifier()
     * @generated
     * @ordered
     */
    protected EList<OclExpression> qualifier;

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

    /**
     * Overridden to determine the type of the <code>PropertyCallExp</code> according to the OCL
     * specification (Section 8.3):
     * 
     * <p>
     * The type of the call expression is the type of the referred property
     * 
     * <pre>
     * context PropertyCallExp
     * inv: type = referredProperty.type
     * </pre>
     * 
     * If the {@link #getReferredProperty() referred property} of this <code>PropertyCallExp</code>
     * is <code>null</code>, a {@link WellformednessException} is thrown.
     * </p>
     * 
     * @see org.dresdenocl.pivotmodel.impl.TypedElementImpl#getType()
     */
    @Override
    protected Type evaluateType() {

        if (logger.isDebugEnabled()) {
            logger.debug("evaluateType() - enter"); //$NON-NLS-1$
        }

        // check wellformedness
        if (referredProperty == null) {
            throw new WellformednessException(this, "The referred property of a PropertyCallExp must not be null."); //$NON-NLS-1$
        }

        // map the type of the property to an OCL type
        Type type = getOclType(referredProperty.getType());

        if (logger.isDebugEnabled()) {
            logger.debug("evaluateType() - exit - return value=" + type); //$NON-NLS-1$
        }

        return type;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.dresdenocl.essentialocl.expressions.impl.FeatureCallExpImpl#getFeature()
     */
    @Override
    protected Feature getFeature() {

        return getReferredProperty();
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    public Property getReferredProperty() {
        return referredProperty;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    public void setReferredProperty(Property newReferredProperty) {
        Property oldReferredProperty = referredProperty;
        referredProperty = newReferredProperty;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    ExpressionsPackageImpl.PROPERTY_CALL_EXP__REFERRED_PROPERTY, oldReferredProperty,
                    referredProperty));
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    public List<OclExpression> getQualifier() {
        if (qualifier == null) {
            qualifier = new EObjectContainmentEList<OclExpression>(OclExpression.class, this,
                    ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER);
        }
        return qualifier;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER:
            return ((InternalEList<?>) getQualifier()).basicRemove(otherEnd, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__REFERRED_PROPERTY:
            return getReferredProperty();
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER:
            return getQualifier();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    @SuppressWarnings("unchecked")
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__REFERRED_PROPERTY:
            setReferredProperty((Property) newValue);
            return;
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER:
            getQualifier().clear();
            getQualifier().addAll((Collection<? extends OclExpression>) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__REFERRED_PROPERTY:
            setReferredProperty((Property) null);
            return;
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER:
            getQualifier().clear();
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__REFERRED_PROPERTY:
            return referredProperty != null;
        case ExpressionsPackageImpl.PROPERTY_CALL_EXP__QUALIFIER:
            return qualifier != null && !qualifier.isEmpty();
        }
        return super.eIsSet(featureID);
    }

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

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {

        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).appendSuper(super.toString())
                .append("referredProperty", referredProperty).toString(); //$NON-NLS-1$
    }

} // PropertyCallExpImpl