org.eclipse.mdt.bpmn/src/org/eclipse/mdt/bpmn/impl/DataAssociationImpl.java.png

/**
 *  Copyright (c) 2000-2009, Intalio Inc.
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  http://www.eclipse.org/legal/epl-v10.html
 *   
 *  Contributors:
 *     Intalio Inc. - initial API and implementation
 *
 * $Id$
 */
package org.eclipse.mdt.bpmn.impl;

import java.util.Collection;

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.eclipse.mdt.bpmn.Assignment;
import org.eclipse.mdt.bpmn.DataAssociation;
import org.eclipse.mdt.bpmn.FormalExpression;
import org.eclipse.mdt.bpmn.bpmnPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Data Association</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.mdt.bpmn.impl.DataAssociationImpl#getTransformation <em>Transformation</em>}</li>
 *   <li>{@link org.eclipse.mdt.bpmn.impl.DataAssociationImpl#getAssignment <em>Assignment</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class DataAssociationImpl extends BaseElementImpl implements
        DataAssociation {
    /**
     * The cached value of the '{@link #getTransformation() <em>Transformation</em>}' containment reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getTransformation()
     * @generated
     * @ordered
     */
    protected FormalExpression transformation;

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

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return bpmnPackage.eINSTANCE.getDataAssociation();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public FormalExpression getTransformation() {
        return transformation;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetTransformation(
            FormalExpression newTransformation, NotificationChain msgs) {
        FormalExpression oldTransformation = transformation;
        transformation = newTransformation;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this,
                    Notification.SET,
                    bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION,
                    oldTransformation, newTransformation);
            if (msgs == null)
                msgs = notification;
            else
                msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setTransformation(FormalExpression newTransformation) {
        if (newTransformation != transformation) {
            NotificationChain msgs = null;
            if (transformation != null)
                msgs = ((InternalEObject) transformation).eInverseRemove(this,
                        EOPPOSITE_FEATURE_BASE
                                - bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION,
                        null, msgs);
            if (newTransformation != null)
                msgs = ((InternalEObject) newTransformation).eInverseAdd(this,
                        EOPPOSITE_FEATURE_BASE
                                - bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION,
                        null, msgs);
            msgs = basicSetTransformation(newTransformation, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION,
                    newTransformation, newTransformation));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EList<Assignment> getAssignment() {
        if (assignment == null) {
            assignment = new EObjectContainmentEList<Assignment>(
                    Assignment.class, this,
                    bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT);
        }
        return assignment;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd,
            int featureID, NotificationChain msgs) {
        switch (featureID) {
        case bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION:
            return basicSetTransformation(null, msgs);
        case bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT:
            return ((InternalEList<?>) getAssignment()).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 bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION:
            return getTransformation();
        case bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT:
            return getAssignment();
        }
        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 bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION:
            setTransformation((FormalExpression) newValue);
            return;
        case bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT:
            getAssignment().clear();
            getAssignment().addAll((Collection<? extends Assignment>) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
        case bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION:
            setTransformation((FormalExpression) null);
            return;
        case bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT:
            getAssignment().clear();
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
        case bpmnPackage.DATA_ASSOCIATION__TRANSFORMATION:
            return transformation != null;
        case bpmnPackage.DATA_ASSOCIATION__ASSIGNMENT:
            return assignment != null && !assignment.isEmpty();
        }
        return super.eIsSet(featureID);
    }

} //DataAssociationImpl