| /******************************************************************************* |
| * Copyright (c) 2006, 2007 Oracle. 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: Oracle. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.core.internal.content.orm; |
| |
| import java.util.Iterator; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.jpt.core.internal.IPersistentAttribute; |
| import org.eclipse.jpt.core.internal.IPersistentType; |
| import org.eclipse.jpt.core.internal.mappings.IEntity; |
| import org.eclipse.jpt.core.internal.mappings.IRelationshipMapping; |
| import org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage; |
| import org.eclipse.jpt.core.internal.mappings.RelationshipMappingTools; |
| import org.eclipse.jpt.core.internal.platform.BaseJpaPlatform; |
| import org.eclipse.jpt.core.internal.platform.DefaultsContext; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * A representation of the model object '<em><b>Xml Relationship Mapping</b></em>'. |
| * <!-- end-user-doc --> |
| * |
| * |
| * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getXmlRelationshipMapping() |
| * @model kind="class" abstract="true" |
| * @generated |
| */ |
| public abstract class XmlRelationshipMapping extends XmlAttributeMapping |
| implements IRelationshipMapping |
| { |
| /** |
| * The default value of the '{@link #getTargetEntity() <em>Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected static final String TARGET_ENTITY_EDEFAULT = null; |
| |
| /** |
| * The default value of the '{@link #getSpecifiedTargetEntity() <em>Specified Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getSpecifiedTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected static final String SPECIFIED_TARGET_ENTITY_EDEFAULT = null; |
| |
| /** |
| * The cached value of the '{@link #getSpecifiedTargetEntity() <em>Specified Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getSpecifiedTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected String specifiedTargetEntity = SPECIFIED_TARGET_ENTITY_EDEFAULT; |
| |
| /** |
| * The default value of the '{@link #getDefaultTargetEntity() <em>Default Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getDefaultTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected static final String DEFAULT_TARGET_ENTITY_EDEFAULT = null; |
| |
| /** |
| * The cached value of the '{@link #getDefaultTargetEntity() <em>Default Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getDefaultTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected String defaultTargetEntity = DEFAULT_TARGET_ENTITY_EDEFAULT; |
| |
| /** |
| * The cached value of the '{@link #getResolvedTargetEntity() <em>Resolved Target Entity</em>}' reference. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getResolvedTargetEntity() |
| * @generated |
| * @ordered |
| */ |
| protected IEntity resolvedTargetEntity; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected XmlRelationshipMapping() { |
| super(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| protected EClass eStaticClass() { |
| return OrmPackage.Literals.XML_RELATIONSHIP_MAPPING; |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Target Entity</b></em>' attribute. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Target Entity</em>' attribute isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Target Entity</em>' attribute. |
| * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getIRelationshipMapping_TargetEntity() |
| * @model changeable="false" volatile="true" derived="true" |
| * @generated NOT |
| */ |
| public String getTargetEntity() { |
| return (this.getSpecifiedTargetEntity() == null) ? getDefaultTargetEntity() : this.getSpecifiedTargetEntity(); |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Specified Target Entity</b></em>' attribute. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Specified Target Entity</em>' attribute isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Specified Target Entity</em>' attribute. |
| * @see #setSpecifiedTargetEntity(String) |
| * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getIRelationshipMapping_SpecifiedTargetEntity() |
| * @model |
| * @generated |
| */ |
| public String getSpecifiedTargetEntity() { |
| return specifiedTargetEntity; |
| } |
| |
| /** |
| * Sets the value of the '{@link org.eclipse.jpt.core.internal.content.orm.XmlRelationshipMapping#getSpecifiedTargetEntity <em>Specified Target Entity</em>}' attribute. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @param value the new value of the '<em>Specified Target Entity</em>' attribute. |
| * @see #getSpecifiedTargetEntity() |
| * @generated |
| */ |
| public void setSpecifiedTargetEntity(String newSpecifiedTargetEntity) { |
| String oldSpecifiedTargetEntity = specifiedTargetEntity; |
| specifiedTargetEntity = newSpecifiedTargetEntity; |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY, oldSpecifiedTargetEntity, specifiedTargetEntity)); |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Default Target Entity</b></em>' attribute. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Default Target Entity</em>' attribute isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Default Target Entity</em>' attribute. |
| * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getIRelationshipMapping_DefaultTargetEntity() |
| * @model changeable="false" |
| * @generated |
| */ |
| public String getDefaultTargetEntity() { |
| return defaultTargetEntity; |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Resolved Target Entity</b></em>' reference. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Resolved Target Entity</em>' reference isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Resolved Target Entity</em>' reference. |
| * @see #setResolvedTargetEntity(IEntity) |
| * @see org.eclipse.jpt.core.internal.content.orm.OrmPackage#getIRelationshipMapping_ResolvedTargetEntity() |
| * @model |
| * @generated |
| */ |
| public IEntity getResolvedTargetEntity() { |
| if (resolvedTargetEntity != null && resolvedTargetEntity.eIsProxy()) { |
| InternalEObject oldResolvedTargetEntity = (InternalEObject) resolvedTargetEntity; |
| resolvedTargetEntity = (IEntity) eResolveProxy(oldResolvedTargetEntity); |
| if (resolvedTargetEntity != oldResolvedTargetEntity) { |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.RESOLVE, OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY, oldResolvedTargetEntity, resolvedTargetEntity)); |
| } |
| } |
| return resolvedTargetEntity; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public IEntity basicGetResolvedTargetEntity() { |
| return resolvedTargetEntity; |
| } |
| |
| /** |
| * Sets the value of the '{@link org.eclipse.jpt.core.internal.content.orm.XmlRelationshipMapping#getResolvedTargetEntity <em>Resolved Target Entity</em>}' reference. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @param value the new value of the '<em>Resolved Target Entity</em>' reference. |
| * @see #getResolvedTargetEntity() |
| * @generated |
| */ |
| public void setResolvedTargetEntity(IEntity newResolvedTargetEntity) { |
| IEntity oldResolvedTargetEntity = resolvedTargetEntity; |
| resolvedTargetEntity = newResolvedTargetEntity; |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY, oldResolvedTargetEntity, resolvedTargetEntity)); |
| } |
| |
| //TODO should we allow setting through the ecore, that would make this method |
| //public and part of the ITable api. only the model needs to be setting the default, |
| //but the ui needs to be listening for changes to the default. |
| protected void setDefaultTargetEntity(String newDefaultTargetEntity) { |
| String oldDefaultTargetEntity = this.defaultTargetEntity; |
| this.defaultTargetEntity = newDefaultTargetEntity; |
| if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, OrmPackage.XML_RELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY, oldDefaultTargetEntity, this.defaultTargetEntity)); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public Object eGet(int featureID, boolean resolve, boolean coreType) { |
| switch (featureID) { |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__TARGET_ENTITY : |
| return getTargetEntity(); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| return getSpecifiedTargetEntity(); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY : |
| return getDefaultTargetEntity(); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| if (resolve) |
| return getResolvedTargetEntity(); |
| return basicGetResolvedTargetEntity(); |
| } |
| return super.eGet(featureID, resolve, coreType); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public void eSet(int featureID, Object newValue) { |
| switch (featureID) { |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| setSpecifiedTargetEntity((String) newValue); |
| return; |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| setResolvedTargetEntity((IEntity) newValue); |
| return; |
| } |
| super.eSet(featureID, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public void eUnset(int featureID) { |
| switch (featureID) { |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| setSpecifiedTargetEntity(SPECIFIED_TARGET_ENTITY_EDEFAULT); |
| return; |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| setResolvedTargetEntity((IEntity) null); |
| return; |
| } |
| super.eUnset(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public boolean eIsSet(int featureID) { |
| switch (featureID) { |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__TARGET_ENTITY : |
| return TARGET_ENTITY_EDEFAULT == null ? getTargetEntity() != null : !TARGET_ENTITY_EDEFAULT.equals(getTargetEntity()); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| return SPECIFIED_TARGET_ENTITY_EDEFAULT == null ? specifiedTargetEntity != null : !SPECIFIED_TARGET_ENTITY_EDEFAULT.equals(specifiedTargetEntity); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY : |
| return DEFAULT_TARGET_ENTITY_EDEFAULT == null ? defaultTargetEntity != null : !DEFAULT_TARGET_ENTITY_EDEFAULT.equals(defaultTargetEntity); |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| return resolvedTargetEntity != null; |
| } |
| return super.eIsSet(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) { |
| if (baseClass == IRelationshipMapping.class) { |
| switch (derivedFeatureID) { |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__TARGET_ENTITY : |
| return JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__TARGET_ENTITY; |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| return JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY; |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY : |
| return JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY; |
| case OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| return JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY; |
| default : |
| return -1; |
| } |
| } |
| return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public int eDerivedStructuralFeatureID(int baseFeatureID, Class<?> baseClass) { |
| if (baseClass == IRelationshipMapping.class) { |
| switch (baseFeatureID) { |
| case JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__TARGET_ENTITY : |
| return OrmPackage.XML_RELATIONSHIP_MAPPING__TARGET_ENTITY; |
| case JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY : |
| return OrmPackage.XML_RELATIONSHIP_MAPPING__SPECIFIED_TARGET_ENTITY; |
| case JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY : |
| return OrmPackage.XML_RELATIONSHIP_MAPPING__DEFAULT_TARGET_ENTITY; |
| case JpaCoreMappingsPackage.IRELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY : |
| return OrmPackage.XML_RELATIONSHIP_MAPPING__RESOLVED_TARGET_ENTITY; |
| default : |
| return -1; |
| } |
| } |
| return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public String toString() { |
| if (eIsProxy()) |
| return super.toString(); |
| StringBuffer result = new StringBuffer(super.toString()); |
| result.append(" (specifiedTargetEntity: "); |
| result.append(specifiedTargetEntity); |
| result.append(", defaultTargetEntity: "); |
| result.append(defaultTargetEntity); |
| result.append(')'); |
| return result.toString(); |
| } |
| |
| @Override |
| public void initializeFromXmlRelationshipMapping(XmlRelationshipMapping oldMapping) { |
| super.initializeFromXmlRelationshipMapping(oldMapping); |
| setSpecifiedTargetEntity(oldMapping.getSpecifiedTargetEntity()); |
| } |
| |
| public boolean targetEntityIsValid(String targetEntity) { |
| return RelationshipMappingTools.targetEntityIsValid(targetEntity); |
| } |
| |
| //TODO grr, this will cause ClassCastExceptions, how should I handle it?? |
| public IEntity getEntity() { |
| return (IEntity) ((XmlPersistentType) eContainer()).getMapping(); |
| } |
| |
| public String fullyQualifiedTargetEntity() { |
| if (getTargetEntity() == null) { |
| return null; |
| } |
| if (targetEntityIncludesPackage()) { |
| return getTargetEntity(); |
| } |
| String package_ = getPersistentType().getMapping().getEntityMappings().getPackage(); |
| if (package_ != null) { |
| return package_ + '.' + getTargetEntity(); |
| } |
| return getTargetEntity(); |
| } |
| |
| private boolean targetEntityIncludesPackage() { |
| return getTargetEntity().lastIndexOf('.') != -1; |
| } |
| |
| public Iterator<String> possibleMappedByAttributeNames() { |
| IEntity targetEntity = getResolvedTargetEntity(); |
| if (targetEntity == null) { |
| return EmptyIterator.instance(); |
| } |
| return new TransformationIterator<IPersistentAttribute, String>(targetEntity.getPersistentType().attributes()) { |
| protected String transform(IPersistentAttribute attribute) { |
| return attribute.getName(); |
| } |
| }; |
| } |
| |
| @Override |
| public void refreshDefaults(DefaultsContext defaultsContext) { |
| super.refreshDefaults(defaultsContext); |
| setDefaultTargetEntity((String) defaultsContext.getDefault(BaseJpaPlatform.DEFAULT_TARGET_ENTITY_KEY)); |
| String targetEntity = fullyQualifiedTargetEntity(); |
| if (targetEntity != null) { |
| IPersistentType persistentType = defaultsContext.persistentType(targetEntity); |
| if (persistentType != null) { |
| if (persistentType.getMapping() instanceof IEntity) { |
| setResolvedTargetEntity((IEntity) persistentType.getMapping()); |
| return; |
| } |
| } |
| } |
| setResolvedTargetEntity(null); |
| } |
| } // XmlRelationshipMapping |