| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.j2ee.internal.ejb.impl; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| 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.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.emf.ecore.impl.EObjectImpl; |
| import org.eclipse.emf.ecore.util.EObjectContainmentEList; |
| import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.emf.ecore.util.InternalEList; |
| import org.eclipse.jst.j2ee.common.Description; |
| import org.eclipse.jst.j2ee.ejb.CommonRelationship; |
| import org.eclipse.jst.j2ee.ejb.CommonRelationshipRole; |
| import org.eclipse.jst.j2ee.ejb.EJBRelation; |
| import org.eclipse.jst.j2ee.ejb.EJBRelationshipRole; |
| import org.eclipse.jst.j2ee.ejb.Relationships; |
| import org.eclipse.jst.j2ee.internal.ejb.EjbPackage; |
| |
| |
| /** |
| * The ejb-relation element describes a relationship between two entity beans with container managed persistence. An ejb-relation element contains a description; an optional ejb-relation-name element; and exactly two relationship role declarations, defined by the ejb-relationship-roles. The name of the relationship, if specified, is unique within the ejb-jar file. |
| * |
| * @invariant The name of the relationship, if specified, is unique within the ejb-jar file. |
| * @invariant self.relationshipRoles.size == 2 |
| * @invariant self.relationshipRoles[0].name != self.relationshipRoles[1].name |
| * |
| * @migration EJB1.1 Moved from ejbext::EjbRelationshipRole contained under ejbext::EJBJarExtension |
| * @migration EJB1.1 added optional attribute, description:String |
| * @migration EJB1.1 added optional attribute, name:String (May have been inherited from EObject previously) |
| */ |
| public class EJBRelationImpl extends EObjectImpl implements EJBRelation, EObject, CommonRelationship{ |
| |
| /** |
| * The default value of the '{@link #getDescription() <em>Description</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getDescription() |
| * @generated |
| * @ordered |
| */ |
| protected static final String DESCRIPTION_EDEFAULT = null; |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| protected String description = DESCRIPTION_EDEFAULT; |
| /** |
| * The default value of the '{@link #getName() <em>Name</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getName() |
| * @generated |
| * @ordered |
| */ |
| protected static final String NAME_EDEFAULT = null; |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| protected String name = NAME_EDEFAULT; |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| protected EList relationshipRoles = null; |
| /** |
| * The cached value of the '{@link #getDescriptions() <em>Descriptions</em>}' containment reference list. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getDescriptions() |
| * @generated |
| * @ordered |
| */ |
| protected EList descriptions = null; |
| |
| public EJBRelationImpl() { |
| super(); |
| } |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected EClass eStaticClass() { |
| return EjbPackage.eINSTANCE.getEJBRelation(); |
| } |
| |
| public boolean containsRelationshipRole(EJBRelationshipRole aRole) { |
| return getRelationshipRoles().contains(aRole); |
| } |
| /** |
| * Return the roles. |
| */ |
| public EList getCommonRoles() { |
| return getRelationshipRoles(); |
| } |
| /** |
| * Return the first role. |
| */ |
| public CommonRelationshipRole getFirstCommonRole() { |
| return getFirstRole(); |
| } |
| /** |
| * Return the first role. |
| */ |
| public EJBRelationshipRole getFirstRole() { |
| List list = getRelationshipRoles(); |
| if (list.size() == 0) |
| return null; |
| return (EJBRelationshipRole) list.get(0); |
| } |
| /** |
| * Return the other role. |
| */ |
| public EJBRelationshipRole getOppositeRole(EJBRelationshipRole aRole) { |
| if (aRole != null) { |
| if (aRole == getFirstRole()) |
| return getSecondRole(); |
| if (aRole == getSecondRole()) |
| return getFirstRole(); |
| } |
| return null; |
| } |
| /** |
| * Return the first role. |
| */ |
| public CommonRelationshipRole getSecondCommonRole() { |
| return getSecondRole(); |
| } |
| /** |
| * Return the second role. |
| */ |
| public EJBRelationshipRole getSecondRole() { |
| List list = getRelationshipRoles(); |
| if (list.size() < 2) |
| return null; |
| return (EJBRelationshipRole) list.get(1); |
| } |
| /** |
| * Set the forward role. Implemented by ensuring that the passed role is the first role |
| * which is the "tiebreaker" in case of unclear relationships, such as 1:1. |
| */ |
| public void setFoward(EJBRelationshipRole aRole) { |
| |
| EList roles = getRelationshipRoles(); |
| int currentIndex = roles.indexOf(aRole); |
| if (currentIndex != 0) { |
| if (currentIndex > -1) |
| roles.move(0, aRole); |
| else |
| roles.set(0, aRole); |
| } |
| } |
| /** |
| * @generated This field/method will be replaced during code generation |
| * The description is used by the ejb-jar file producer to provide text describing the ejb relation. |
| * |
| * The description should include any information that the ejb-jar file producer wants to provide to the consumer of the ejb-jar file (i.e. to the Deployer). Typically, the tools used by the ejb-jar file consumer will display the description when processing the list of dependents. |
| */ |
| public String getDescription() { |
| return description; |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void setDescription(String newDescription) { |
| String oldDescription = description; |
| description = newDescription; |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, EjbPackage.EJB_RELATION__DESCRIPTION, oldDescription, description)); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation |
| * The name of the relationship. If specified, must be unique within the ejb-jar file. |
| * @invariant self.name unique within Set<collect(ejbJar.ejbRelations.name)> |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void setName(String newName) { |
| String oldName = name; |
| name = newName; |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, EjbPackage.EJB_RELATION__NAME, oldName, name)); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation |
| */ |
| public Relationships getRelationshipList() { |
| if (eContainerFeatureID != EjbPackage.EJB_RELATION__RELATIONSHIP_LIST) return null; |
| return (Relationships)eContainer; |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void setRelationshipList(Relationships newRelationshipList) { |
| if (newRelationshipList != eContainer || (eContainerFeatureID != EjbPackage.EJB_RELATION__RELATIONSHIP_LIST && newRelationshipList != null)) { |
| if (EcoreUtil.isAncestor(this, newRelationshipList)) |
| throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); |
| NotificationChain msgs = null; |
| if (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| if (newRelationshipList != null) |
| msgs = ((InternalEObject)newRelationshipList).eInverseAdd(this, EjbPackage.RELATIONSHIPS__EJB_RELATIONS, Relationships.class, msgs); |
| msgs = eBasicSetContainer((InternalEObject)newRelationshipList, EjbPackage.EJB_RELATION__RELATIONSHIP_LIST, msgs); |
| if (msgs != null) msgs.dispatch(); |
| } |
| else if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, EjbPackage.EJB_RELATION__RELATIONSHIP_LIST, newRelationshipList, newRelationshipList)); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation |
| * A collection containing exactly two relationship roles. |
| * |
| * @migration EJB1.1 Containment used to be by reference on relation--now by value. |
| |
| */ |
| public EList getRelationshipRoles() { |
| if (relationshipRoles == null) { |
| relationshipRoles = new EObjectContainmentWithInverseEList(EJBRelationshipRole.class, this, EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES, EjbPackage.EJB_RELATIONSHIP_ROLE__RELATIONSHIP); |
| } |
| return relationshipRoles; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public EList getDescriptions() { |
| if (descriptions == null) { |
| descriptions = new EObjectContainmentEList(Description.class, this, EjbPackage.EJB_RELATION__DESCRIPTIONS); |
| } |
| return descriptions; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) { |
| if (featureID >= 0) { |
| switch (eDerivedStructuralFeatureID(featureID, baseClass)) { |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| if (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| return eBasicSetContainer(otherEnd, EjbPackage.EJB_RELATION__RELATIONSHIP_LIST, msgs); |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| return ((InternalEList)getRelationshipRoles()).basicAdd(otherEnd, msgs); |
| default: |
| return eDynamicInverseAdd(otherEnd, featureID, baseClass, msgs); |
| } |
| } |
| if (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| return eBasicSetContainer(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) { |
| if (featureID >= 0) { |
| switch (eDerivedStructuralFeatureID(featureID, baseClass)) { |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| return eBasicSetContainer(null, EjbPackage.EJB_RELATION__RELATIONSHIP_LIST, msgs); |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| return ((InternalEList)getRelationshipRoles()).basicRemove(otherEnd, msgs); |
| case EjbPackage.EJB_RELATION__DESCRIPTIONS: |
| return ((InternalEList)getDescriptions()).basicRemove(otherEnd, msgs); |
| default: |
| return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs); |
| } |
| } |
| return eBasicSetContainer(null, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eBasicRemoveFromContainer(NotificationChain msgs) { |
| if (eContainerFeatureID >= 0) { |
| switch (eContainerFeatureID) { |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| return eContainer.eInverseRemove(this, EjbPackage.RELATIONSHIPS__EJB_RELATIONS, Relationships.class, msgs); |
| default: |
| return eDynamicBasicRemoveFromContainer(msgs); |
| } |
| } |
| return eContainer.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - eContainerFeatureID, null, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public Object eGet(EStructuralFeature eFeature, boolean resolve) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case EjbPackage.EJB_RELATION__DESCRIPTION: |
| return getDescription(); |
| case EjbPackage.EJB_RELATION__NAME: |
| return getName(); |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| return getRelationshipList(); |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| return getRelationshipRoles(); |
| case EjbPackage.EJB_RELATION__DESCRIPTIONS: |
| return getDescriptions(); |
| } |
| return eDynamicGet(eFeature, resolve); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public boolean eIsSet(EStructuralFeature eFeature) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case EjbPackage.EJB_RELATION__DESCRIPTION: |
| return DESCRIPTION_EDEFAULT == null ? description != null : !DESCRIPTION_EDEFAULT.equals(description); |
| case EjbPackage.EJB_RELATION__NAME: |
| return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name); |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| return getRelationshipList() != null; |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| return relationshipRoles != null && !relationshipRoles.isEmpty(); |
| case EjbPackage.EJB_RELATION__DESCRIPTIONS: |
| return descriptions != null && !descriptions.isEmpty(); |
| } |
| return eDynamicIsSet(eFeature); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void eSet(EStructuralFeature eFeature, Object newValue) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case EjbPackage.EJB_RELATION__DESCRIPTION: |
| setDescription((String)newValue); |
| return; |
| case EjbPackage.EJB_RELATION__NAME: |
| setName((String)newValue); |
| return; |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| setRelationshipList((Relationships)newValue); |
| return; |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| getRelationshipRoles().clear(); |
| getRelationshipRoles().addAll((Collection)newValue); |
| return; |
| case EjbPackage.EJB_RELATION__DESCRIPTIONS: |
| getDescriptions().clear(); |
| getDescriptions().addAll((Collection)newValue); |
| return; |
| } |
| eDynamicSet(eFeature, newValue); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void eUnset(EStructuralFeature eFeature) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case EjbPackage.EJB_RELATION__DESCRIPTION: |
| setDescription(DESCRIPTION_EDEFAULT); |
| return; |
| case EjbPackage.EJB_RELATION__NAME: |
| setName(NAME_EDEFAULT); |
| return; |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_LIST: |
| setRelationshipList((Relationships)null); |
| return; |
| case EjbPackage.EJB_RELATION__RELATIONSHIP_ROLES: |
| getRelationshipRoles().clear(); |
| return; |
| case EjbPackage.EJB_RELATION__DESCRIPTIONS: |
| getDescriptions().clear(); |
| return; |
| } |
| eDynamicUnset(eFeature); |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public String toString() { |
| if (eIsProxy()) return super.toString(); |
| |
| StringBuffer result = new StringBuffer(super.toString()); |
| result.append(" (description: "); //$NON-NLS-1$ |
| result.append(description); |
| result.append(", name: "); //$NON-NLS-1$ |
| result.append(name); |
| result.append(')'); |
| return result.toString(); |
| } |
| |
| public EJBRelationshipRole getRelationshipRole(String aRoleName) { |
| if (aRoleName == null) return null; |
| List roles = getRelationshipRoles(); |
| EJBRelationshipRole role = null; |
| for (int i = 0; i < roles.size(); i++) { |
| role = (EJBRelationshipRole) roles.get(i); |
| if (aRoleName.equals(role.getName())) |
| return role; |
| } |
| return null; |
| } |
| } |
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