Java tutorial
/** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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.pivotmodel.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.EObjectEList; import org.eclipse.emf.ecore.util.EcoreUtil; import org.dresdenocl.pivotmodel.ConstrainableElement; import org.dresdenocl.pivotmodel.Constraint; import org.dresdenocl.pivotmodel.ConstraintKind; import org.dresdenocl.pivotmodel.Expression; import org.dresdenocl.pivotmodel.Feature; import org.dresdenocl.pivotmodel.NamedElement; import org.dresdenocl.pivotmodel.Namespace; import org.dresdenocl.pivotmodel.PivotModelFactory; import org.dresdenocl.pivotmodel.PivotModelPackage; /** * <!-- begin-user-doc --> An implementation of the model object ' * <em><b>Constraint</b></em>'. <!-- end-user-doc --> * <p> * The following features are implemented: * <ul> * <li>{@link org.dresdenocl.pivotmodel.impl.ConstraintImpl#getKind <em>Kind</em>}</li> * <li>{@link org.dresdenocl.pivotmodel.impl.ConstraintImpl#getNamespace <em>Namespace</em>}</li> * <li>{@link org.dresdenocl.pivotmodel.impl.ConstraintImpl#getSpecification <em>Specification</em>}</li> * <li>{@link org.dresdenocl.pivotmodel.impl.ConstraintImpl#getConstrainedElement <em>Constrained Element</em>}</li> * <li>{@link org.dresdenocl.pivotmodel.impl.ConstraintImpl#getDefinedFeature <em>Defined Feature</em>}</li> * </ul> * </p> * * @generated */ public class ConstraintImpl extends NamedElementImpl implements Constraint { /** * Logger for this class */ private static final Logger logger = Logger.getLogger(ConstraintImpl.class); /** * The default value of the '{@link #getKind() <em>Kind</em>}' attribute. <!-- * begin-user-doc --> <!-- end-user-doc --> * * @see #getKind() * @generated * @ordered */ protected static final ConstraintKind KIND_EDEFAULT = ConstraintKind.INVARIANT; /** * The cached value of the '{@link #getKind() <em>Kind</em>}' attribute. <!-- * begin-user-doc --> <!-- end-user-doc --> * * @see #getKind() * @generated * @ordered */ protected ConstraintKind kind = KIND_EDEFAULT; /** * The cached value of the '{@link #getSpecification() <em>Specification</em>}' containment reference. * <!-- begin-user-doc --> <!-- end-user-doc --> * @see #getSpecification() * @generated * @ordered */ protected Expression specification; /** * The cached value of the '{@link #getConstrainedElement() <em>Constrained Element</em>}' reference list. * <!-- begin-user-doc --> <!-- * end-user-doc --> * @see #getConstrainedElement() * @generated * @ordered */ protected EList<ConstrainableElement> constrainedElement; /** * The cached value of the '{@link #getDefinedFeature() <em>Defined Feature</em>}' reference. * <!-- begin-user-doc --> <!-- * end-user-doc --> * @see #getDefinedFeature() * @generated * @ordered */ protected Feature definedFeature; /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ protected ConstraintImpl() { super(); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override protected EClass eStaticClass() { return PivotModelPackage.Literals.CONSTRAINT; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public ConstraintKind getKind() { return kind; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public void setKind(ConstraintKind newKind) { ConstraintKind oldKind = kind; kind = newKind == null ? KIND_EDEFAULT : newKind; if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__KIND, oldKind, kind)); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public Namespace getNamespace() { if (eContainerFeatureID() != PivotModelPackage.CONSTRAINT__NAMESPACE) return null; return (Namespace) eInternalContainer(); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ public NotificationChain basicSetNamespace(Namespace newNamespace, NotificationChain msgs) { msgs = eBasicSetContainer((InternalEObject) newNamespace, PivotModelPackage.CONSTRAINT__NAMESPACE, msgs); return msgs; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public void setNamespace(Namespace newNamespace) { if (newNamespace != eInternalContainer() || (eContainerFeatureID() != PivotModelPackage.CONSTRAINT__NAMESPACE && newNamespace != null)) { if (EcoreUtil.isAncestor(this, newNamespace)) throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$ NotificationChain msgs = null; if (eInternalContainer() != null) msgs = eBasicRemoveFromContainer(msgs); if (newNamespace != null) msgs = ((InternalEObject) newNamespace).eInverseAdd(this, PivotModelPackage.NAMESPACE__OWNED_RULE, Namespace.class, msgs); msgs = basicSetNamespace(newNamespace, msgs); if (msgs != null) msgs.dispatch(); } else if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__NAMESPACE, newNamespace, newNamespace)); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public Expression getSpecification() { return specification; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ public NotificationChain basicSetSpecification(Expression newSpecification, NotificationChain msgs) { Expression oldSpecification = specification; specification = newSpecification; if (eNotificationRequired()) { ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__SPECIFICATION, oldSpecification, newSpecification); if (msgs == null) msgs = notification; else msgs.add(notification); } return msgs; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public void setSpecification(Expression newSpecification) { if (newSpecification != specification) { NotificationChain msgs = null; if (specification != null) msgs = ((InternalEObject) specification).eInverseRemove(this, PivotModelPackage.EXPRESSION__CONSTRAINT, Expression.class, msgs); if (newSpecification != null) msgs = ((InternalEObject) newSpecification).eInverseAdd(this, PivotModelPackage.EXPRESSION__CONSTRAINT, Expression.class, msgs); msgs = basicSetSpecification(newSpecification, msgs); if (msgs != null) msgs.dispatch(); } else if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__SPECIFICATION, newSpecification, newSpecification)); } /** * The implementation in this class simply redirects to { * {@link #getConstrainedElementGen()} which contains the code generated by * EMF. Client may, however, override this method to provide specific * behaviour, e.g., adapt to other model repositories. * * @generated NOT */ @Override public List<ConstrainableElement> getConstrainedElement() { return getConstrainedElementGen(); } /** * <!-- begin-user-doc -->The code generated for { * {@link #getConstrainedElement()} is redirected to this method.<!-- * end-user-doc --> * @generated */ protected final List<ConstrainableElement> getConstrainedElementGen() { if (constrainedElement == null) { constrainedElement = new EObjectEList<ConstrainableElement>(ConstrainableElement.class, this, PivotModelPackage.CONSTRAINT__CONSTRAINED_ELEMENT); } return constrainedElement; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public Feature getDefinedFeature() { return definedFeature; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ public NotificationChain basicSetDefinedFeature(Feature newDefinedFeature, NotificationChain msgs) { Feature oldDefinedFeature = definedFeature; definedFeature = newDefinedFeature; if (eNotificationRequired()) { ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__DEFINED_FEATURE, oldDefinedFeature, newDefinedFeature); if (msgs == null) msgs = notification; else msgs.add(notification); } return msgs; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public void setDefinedFeature(Feature newDefinedFeature) { if (newDefinedFeature != definedFeature) { NotificationChain msgs = null; if (definedFeature != null) msgs = ((InternalEObject) definedFeature).eInverseRemove(this, PivotModelPackage.FEATURE__SEMANTICS, Feature.class, msgs); if (newDefinedFeature != null) msgs = ((InternalEObject) newDefinedFeature).eInverseAdd(this, PivotModelPackage.FEATURE__SEMANTICS, Feature.class, msgs); msgs = basicSetDefinedFeature(newDefinedFeature, msgs); if (msgs != null) msgs.dispatch(); } else if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, PivotModelPackage.CONSTRAINT__DEFINED_FEATURE, newDefinedFeature, newDefinedFeature)); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * * @generated NOT */ @Override public Constraint addConstrainedElement(ConstrainableElement constrainedElement) { if (logger.isDebugEnabled()) { logger.debug("addConstrainedElement(constrainedElement=" + constrainedElement + ") - enter"); //$NON-NLS-1$ //$NON-NLS-2$ } // use the generated method, not the one which may be overridden by clients getConstrainedElementGen().add(constrainedElement); if (logger.isDebugEnabled()) { logger.debug("addConstrainedElement() - exit"); //$NON-NLS-1$ } return this; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * * @NOT generated */ @Override public boolean hasStaticContext() { switch (this.getKind()) { case DEFINITION: return this.getDefinedFeature().isStatic(); case DERIVED: case INITIAL: case BODY: return ((Feature) this.getConstrainedElement().iterator().next()).isStatic(); default: return false; } } /** * Overridden to return the {@link #getNamespace() namespace} of this * <code>Constraint</code>. * * @see org.dresdenocl.pivotmodel.impl.NamedElementImpl#getOwner() */ @Override public NamedElement getOwner() { return getNamespace(); } /* * (non-Javadoc) * @see org.dresdenocl.pivotmodel.impl.NamedElementImpl#clone() */ @Override public Constraint clone() { return initialize(PivotModelFactory.eINSTANCE.createConstraint()); } /** * Helper method that initializes a cloned <code>Constraint</code>. * * @see org.dresdenocl.pivotmodel.impl.NamedElementImpl#initialize(org.dresdenocl.pivotmodel.NamedElement) */ protected Constraint initialize(Constraint clone) { super.initialize(clone); clone.setKind(getKind()); clone.setSpecification(getSpecification()); clone.setDefinedFeature(getDefinedFeature()); // copy the constrained elements for (ConstrainableElement constrainedElement : getConstrainedElement()) { // do not clone the elements as they are only referenced, not contained by // the constraint clone.addConstrainedElement(constrainedElement); } return clone; } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) { switch (featureID) { case PivotModelPackage.CONSTRAINT__NAMESPACE: if (eInternalContainer() != null) msgs = eBasicRemoveFromContainer(msgs); return basicSetNamespace((Namespace) otherEnd, msgs); case PivotModelPackage.CONSTRAINT__SPECIFICATION: if (specification != null) msgs = ((InternalEObject) specification).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - PivotModelPackage.CONSTRAINT__SPECIFICATION, null, msgs); return basicSetSpecification((Expression) otherEnd, msgs); case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: if (definedFeature != null) msgs = ((InternalEObject) definedFeature).eInverseRemove(this, PivotModelPackage.FEATURE__SEMANTICS, Feature.class, msgs); return basicSetDefinedFeature((Feature) otherEnd, msgs); } return super.eInverseAdd(otherEnd, featureID, msgs); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { switch (featureID) { case PivotModelPackage.CONSTRAINT__NAMESPACE: return basicSetNamespace(null, msgs); case PivotModelPackage.CONSTRAINT__SPECIFICATION: return basicSetSpecification(null, msgs); case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: return basicSetDefinedFeature(null, msgs); } return super.eInverseRemove(otherEnd, featureID, msgs); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) { switch (eContainerFeatureID()) { case PivotModelPackage.CONSTRAINT__NAMESPACE: return eInternalContainer().eInverseRemove(this, PivotModelPackage.NAMESPACE__OWNED_RULE, Namespace.class, msgs); } return super.eBasicRemoveFromContainerFeature(msgs); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public Object eGet(int featureID, boolean resolve, boolean coreType) { switch (featureID) { case PivotModelPackage.CONSTRAINT__KIND: return getKind(); case PivotModelPackage.CONSTRAINT__NAMESPACE: return getNamespace(); case PivotModelPackage.CONSTRAINT__SPECIFICATION: return getSpecification(); case PivotModelPackage.CONSTRAINT__CONSTRAINED_ELEMENT: return getConstrainedElement(); case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: return getDefinedFeature(); } 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 PivotModelPackage.CONSTRAINT__KIND: setKind((ConstraintKind) newValue); return; case PivotModelPackage.CONSTRAINT__NAMESPACE: setNamespace((Namespace) newValue); return; case PivotModelPackage.CONSTRAINT__SPECIFICATION: setSpecification((Expression) newValue); return; case PivotModelPackage.CONSTRAINT__CONSTRAINED_ELEMENT: getConstrainedElement().clear(); getConstrainedElement().addAll((Collection<? extends ConstrainableElement>) newValue); return; case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: setDefinedFeature((Feature) newValue); return; } super.eSet(featureID, newValue); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public void eUnset(int featureID) { switch (featureID) { case PivotModelPackage.CONSTRAINT__KIND: setKind(KIND_EDEFAULT); return; case PivotModelPackage.CONSTRAINT__NAMESPACE: setNamespace((Namespace) null); return; case PivotModelPackage.CONSTRAINT__SPECIFICATION: setSpecification((Expression) null); return; case PivotModelPackage.CONSTRAINT__CONSTRAINED_ELEMENT: getConstrainedElement().clear(); return; case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: setDefinedFeature((Feature) null); return; } super.eUnset(featureID); } /** * <!-- begin-user-doc --> <!-- end-user-doc --> * @generated */ @Override public boolean eIsSet(int featureID) { switch (featureID) { case PivotModelPackage.CONSTRAINT__KIND: return kind != KIND_EDEFAULT; case PivotModelPackage.CONSTRAINT__NAMESPACE: return getNamespace() != null; case PivotModelPackage.CONSTRAINT__SPECIFICATION: return specification != null; case PivotModelPackage.CONSTRAINT__CONSTRAINED_ELEMENT: return constrainedElement != null && !constrainedElement.isEmpty(); case PivotModelPackage.CONSTRAINT__DEFINED_FEATURE: return definedFeature != null; } return super.eIsSet(featureID); } /** * Changed EMF implementation to use the Jakarta Commons Lang * {@link ToStringBuilder}. * * @generated NOT */ @Override public String toString() { return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).appendToString(super.toString()) .append("kind", getKind()).append("specification", getSpecification()) //$NON-NLS-1$ //$NON-NLS-2$ .append("constrainedElement", getConstrainedElement()).append("definedFeature", //$NON-NLS-1$ //$NON-NLS-2$ getDefinedFeature()) .toString(); } } // ConstraintImpl