| /******************************************************************************* |
| * 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.java; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.NotificationChain; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.jdt.core.IMember; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.internal.IJpaContentNode; |
| import org.eclipse.jpt.core.internal.IPersistentAttribute; |
| import org.eclipse.jpt.core.internal.IPersistentType; |
| import org.eclipse.jpt.core.internal.ITextRange; |
| import org.eclipse.jpt.core.internal.ITypeMapping; |
| import org.eclipse.jpt.core.internal.JpaCorePackage; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaBasicProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaEmbeddedIdProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaEmbeddedProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaIdProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaManyToManyProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaManyToOneProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaNullAttributeMappingProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaOneToManyProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaOneToOneProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaTransientProvider; |
| import org.eclipse.jpt.core.internal.content.java.mappings.JavaVersionProvider; |
| import org.eclipse.jpt.core.internal.jdtutility.Attribute; |
| import org.eclipse.jpt.core.internal.jdtutility.DeclarationAnnotationAdapter; |
| import org.eclipse.jpt.core.internal.platform.DefaultsContext; |
| import org.eclipse.jpt.utility.internal.Filter; |
| import org.eclipse.jpt.utility.internal.iterators.ArrayIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * A representation of the model object '<em><b>Java Persistent Attribute</b></em>'. |
| * <!-- end-user-doc --> |
| * |
| * <p> |
| * The following features are supported: |
| * <ul> |
| * <li>{@link org.eclipse.jpt.core.internal.content.java.JavaPersistentAttribute#getDefaultMapping <em>Default Mapping</em>}</li> |
| * <li>{@link org.eclipse.jpt.core.internal.content.java.JavaPersistentAttribute#getSpecifiedMapping <em>Specified Mapping</em>}</li> |
| * </ul> |
| * </p> |
| * |
| * @see org.eclipse.jpt.core.internal.content.java.JpaJavaPackage#getJavaPersistentAttribute() |
| * @model kind="class" |
| * @generated |
| */ |
| public class JavaPersistentAttribute extends JavaEObject |
| implements IPersistentAttribute |
| { |
| /** |
| * The cached value of the '{@link #getDefaultMapping() <em>Default Mapping</em>}' containment reference. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getDefaultMapping() |
| * @generated |
| * @ordered |
| */ |
| protected IJavaAttributeMapping defaultMapping; |
| |
| /** |
| * The cached value of the '{@link #getSpecifiedMapping() <em>Specified Mapping</em>}' containment reference. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @see #getSpecifiedMapping() |
| * @generated |
| * @ordered |
| */ |
| protected IJavaAttributeMapping specifiedMapping; |
| |
| private Attribute attribute; |
| |
| // TODO move these to the platform |
| private IJavaAttributeMappingProvider[] attributeMappingProviders; |
| |
| /** |
| * the "null" attribute mapping is used when the attribute is neither |
| * modified with a mapping annotation nor mapped by a "default" mapping |
| */ |
| // TODO move this to the platform |
| private IJavaAttributeMappingProvider nullAttributeMappingProvider; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected JavaPersistentAttribute() { |
| super(); |
| } |
| |
| protected JavaPersistentAttribute(Attribute attribute) { |
| super(); |
| this.attribute = attribute; |
| this.attributeMappingProviders = this.buildAttributeMappingProviders(); |
| this.nullAttributeMappingProvider = this.buildNullAttributeMappingProvider(); |
| this.setDefaultMapping(this.nullAttributeMappingProvider.buildMapping(this.attribute)); |
| } |
| |
| private IJavaAttributeMappingProvider[] buildAttributeMappingProviders() { |
| List<IJavaAttributeMappingProvider> providers = new ArrayList<IJavaAttributeMappingProvider>(); |
| this.addAttributeMappingProvidersTo(providers); |
| return providers.toArray(new IJavaAttributeMappingProvider[providers.size()]); |
| } |
| |
| /** |
| * Override this to specify more or different attribute mapping providers. |
| * The default includes the JPA spec-defined type mappings of |
| * Basic, Id, OneToOne, OneToMany, ManyToOne, ManyToMany, Embeddable, EmbeddedId. |
| */ |
| protected void addAttributeMappingProvidersTo(List<IJavaAttributeMappingProvider> providers) { |
| providers.add(JavaEmbeddedProvider.instance()); //bug 190344 need to test default embedded before basic |
| providers.add(JavaBasicProvider.instance()); |
| providers.add(JavaIdProvider.instance()); |
| providers.add(JavaTransientProvider.instance()); |
| providers.add(JavaOneToManyProvider.instance()); |
| providers.add(JavaManyToOneProvider.instance()); |
| providers.add(JavaManyToManyProvider.instance()); |
| providers.add(JavaOneToOneProvider.instance()); |
| providers.add(JavaEmbeddedIdProvider.instance()); |
| providers.add(JavaVersionProvider.instance()); |
| } |
| |
| protected IJavaAttributeMappingProvider buildNullAttributeMappingProvider() { |
| return JavaNullAttributeMappingProvider.instance(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| protected EClass eStaticClass() { |
| return JpaJavaPackage.Literals.JAVA_PERSISTENT_ATTRIBUTE; |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Default Mapping</b></em>' containment reference. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Default Mapping</em>' containment reference isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Default Mapping</em>' containment reference. |
| * @see #setDefaultMapping(IJavaAttributeMapping) |
| * @see org.eclipse.jpt.core.internal.content.java.JpaJavaPackage#getJavaPersistentAttribute_DefaultMapping() |
| * @model containment="true" required="true" |
| * @generated |
| */ |
| public IJavaAttributeMapping getDefaultMapping() { |
| return defaultMapping; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain basicSetDefaultMapping(IJavaAttributeMapping newDefaultMapping, NotificationChain msgs) { |
| IJavaAttributeMapping oldDefaultMapping = defaultMapping; |
| defaultMapping = newDefaultMapping; |
| if (eNotificationRequired()) { |
| ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING, oldDefaultMapping, newDefaultMapping); |
| if (msgs == null) |
| msgs = notification; |
| else |
| msgs.add(notification); |
| } |
| return msgs; |
| } |
| |
| /** |
| * Sets the value of the '{@link org.eclipse.jpt.core.internal.content.java.JavaPersistentAttribute#getDefaultMapping <em>Default Mapping</em>}' containment reference. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @param value the new value of the '<em>Default Mapping</em>' containment reference. |
| * @see #getDefaultMapping() |
| * @generated |
| */ |
| public void setDefaultMappingGen(IJavaAttributeMapping newDefaultMapping) { |
| if (newDefaultMapping != defaultMapping) { |
| NotificationChain msgs = null; |
| if (defaultMapping != null) |
| msgs = ((InternalEObject) defaultMapping).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING, null, msgs); |
| if (newDefaultMapping != null) |
| msgs = ((InternalEObject) newDefaultMapping).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING, null, msgs); |
| msgs = basicSetDefaultMapping(newDefaultMapping, msgs); |
| if (msgs != null) |
| msgs.dispatch(); |
| } |
| else if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING, newDefaultMapping, newDefaultMapping)); |
| } |
| |
| /** |
| * clients do not set the "default" mapping |
| */ |
| private void setDefaultMapping(IJavaAttributeMapping defaultMapping) { |
| this.setDefaultMappingGen(defaultMapping); |
| } |
| |
| /** |
| * Returns the value of the '<em><b>Specified Mapping</b></em>' containment reference. |
| * <!-- begin-user-doc --> |
| * <p> |
| * If the meaning of the '<em>Specified Mapping</em>' containment reference isn't clear, |
| * there really should be more of a description here... |
| * </p> |
| * <!-- end-user-doc --> |
| * @return the value of the '<em>Specified Mapping</em>' containment reference. |
| * @see #setSpecifiedMapping(IJavaAttributeMapping) |
| * @see org.eclipse.jpt.core.internal.content.java.JpaJavaPackage#getJavaPersistentAttribute_SpecifiedMapping() |
| * @model containment="true" required="true" |
| * @generated |
| */ |
| public IJavaAttributeMapping getSpecifiedMapping() { |
| return specifiedMapping; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain basicSetSpecifiedMapping(IJavaAttributeMapping newSpecifiedMapping, NotificationChain msgs) { |
| IJavaAttributeMapping oldSpecifiedMapping = specifiedMapping; |
| specifiedMapping = newSpecifiedMapping; |
| if (eNotificationRequired()) { |
| ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING, oldSpecifiedMapping, newSpecifiedMapping); |
| if (msgs == null) |
| msgs = notification; |
| else |
| msgs.add(notification); |
| } |
| return msgs; |
| } |
| |
| /** |
| * Sets the value of the '{@link org.eclipse.jpt.core.internal.content.java.JavaPersistentAttribute#getSpecifiedMapping <em>Specified Mapping</em>}' containment reference. |
| * <!-- begin-user-doc --> |
| * clients do not set the "specified" mapping directly; |
| * call #setMappingKey(String, boolean) instead |
| * <!-- end-user-doc --> |
| * @param value the new value of the '<em>Specified Mapping</em>' containment reference. |
| * @see #getSpecifiedMapping() |
| * @generated |
| */ |
| public void setSpecifiedMappingGen(IJavaAttributeMapping newSpecifiedMapping) { |
| if (newSpecifiedMapping != specifiedMapping) { |
| NotificationChain msgs = null; |
| if (specifiedMapping != null) |
| msgs = ((InternalEObject) specifiedMapping).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING, null, msgs); |
| if (newSpecifiedMapping != null) |
| msgs = ((InternalEObject) newSpecifiedMapping).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING, null, msgs); |
| msgs = basicSetSpecifiedMapping(newSpecifiedMapping, msgs); |
| if (msgs != null) |
| msgs.dispatch(); |
| } |
| else if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING, newSpecifiedMapping, newSpecifiedMapping)); |
| } |
| |
| /** |
| * clients do not set the "specified" mapping; |
| * use #setMappingKey(String) |
| */ |
| private void setSpecifiedMapping(IJavaAttributeMapping specifiedMapping) { |
| this.setSpecifiedMappingGen(specifiedMapping); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { |
| switch (featureID) { |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING : |
| return basicSetDefaultMapping(null, msgs); |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING : |
| return basicSetSpecifiedMapping(null, 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 JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING : |
| return getMapping(); |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING : |
| return getDefaultMapping(); |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING : |
| return getSpecifiedMapping(); |
| } |
| return super.eGet(featureID, resolve, coreType); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public void eSet(int featureID, Object newValue) { |
| switch (featureID) { |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING : |
| setDefaultMapping((IJavaAttributeMapping) newValue); |
| return; |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING : |
| setSpecifiedMapping((IJavaAttributeMapping) newValue); |
| return; |
| } |
| super.eSet(featureID, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public void eUnset(int featureID) { |
| switch (featureID) { |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING : |
| setDefaultMapping((IJavaAttributeMapping) null); |
| return; |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING : |
| setSpecifiedMapping((IJavaAttributeMapping) null); |
| return; |
| } |
| super.eUnset(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public boolean eIsSet(int featureID) { |
| switch (featureID) { |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING : |
| return getMapping() != null; |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__DEFAULT_MAPPING : |
| return defaultMapping != null; |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__SPECIFIED_MAPPING : |
| return specifiedMapping != null; |
| } |
| return super.eIsSet(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| @Override |
| public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) { |
| if (baseClass == IJpaContentNode.class) { |
| switch (derivedFeatureID) { |
| default : |
| return -1; |
| } |
| } |
| if (baseClass == IPersistentAttribute.class) { |
| switch (derivedFeatureID) { |
| case JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING : |
| return JpaCorePackage.IPERSISTENT_ATTRIBUTE__MAPPING; |
| 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 == IJpaContentNode.class) { |
| switch (baseFeatureID) { |
| default : |
| return -1; |
| } |
| } |
| if (baseClass == IPersistentAttribute.class) { |
| switch (baseFeatureID) { |
| case JpaCorePackage.IPERSISTENT_ATTRIBUTE__MAPPING : |
| return JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING; |
| default : |
| return -1; |
| } |
| } |
| return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass); |
| } |
| |
| public IPersistentType getPersistentType() { |
| return (IPersistentType) this.eContainer(); |
| } |
| |
| public IJavaAttributeMapping getMapping() { |
| return (this.specifiedMapping != null) ? this.specifiedMapping : this.defaultMapping; |
| } |
| |
| public String getName() { |
| return this.attribute.attributeName(); |
| } |
| |
| public ITypeMapping typeMapping() { |
| return this.getPersistentType().getMapping(); |
| } |
| |
| public String mappingKey() { |
| return this.getMapping().getKey(); |
| } |
| |
| /** |
| * return null if there is no "default" mapping for the attribute |
| */ |
| public String defaultMappingKey() { |
| return this.defaultMapping.getKey(); |
| } |
| |
| /** |
| * return null if there is no "specified" mapping for the attribute |
| */ |
| public String specifiedMappingKey() { |
| return (this.specifiedMapping == null) ? null : this.specifiedMapping.getKey(); |
| } |
| |
| // TODO support morphing mappings, i.e. copying common settings over |
| // to the new mapping; this can't be done in the same was as XmlAttributeMapping |
| // since we don't know all the possible mapping types |
| public void setSpecifiedMappingKey(String newKey) { |
| String oldKey = this.specifiedMappingKey(); |
| if (newKey == oldKey) { |
| return; |
| } |
| IJavaAttributeMapping old = this.getMapping(); |
| if (newKey == null) { |
| // remove mapping annotation |
| this.setSpecifiedMapping(null); |
| this.attribute.removeAnnotation(this.declarationAnnotationAdapterForAttributeMappingKey(oldKey)); |
| } |
| else { |
| // add or replace mapping annotation |
| this.setSpecifiedMapping(this.attributeMappingProviderFor(newKey).buildMapping(this.attribute)); |
| if (oldKey != null) { |
| this.attribute.removeAnnotation(this.declarationAnnotationAdapterForAttributeMappingKey(oldKey)); |
| } |
| this.attribute.newMarkerAnnotation(this.declarationAnnotationAdapterForAttributeMappingKey(newKey)); |
| this.specifiedMapping.initialize(); |
| } |
| if (this.eNotificationRequired()) { |
| this.eNotify(new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING, old, this.getMapping())); |
| } |
| } |
| |
| private DeclarationAnnotationAdapter declarationAnnotationAdapterForAttributeMappingKey(String attributeMappingKey) { |
| return this.attributeMappingProviderFor(attributeMappingKey).declarationAnnotationAdapter(); |
| } |
| |
| /** |
| * throw an exception if the provider is not found |
| */ |
| private IJavaAttributeMappingProvider attributeMappingProviderFor(String attributeMappingKey) { |
| for (IJavaAttributeMappingProvider provider : this.attributeMappingProviders) { |
| if (provider.key() == attributeMappingKey) { |
| return provider; |
| } |
| } |
| throw new IllegalArgumentException("Unsupported attribute mapping key: " + attributeMappingKey); |
| } |
| |
| public Iterator<String> candidateMappingKeys() { |
| return new TransformationIterator<IJavaAttributeMappingProvider, String>(new ArrayIterator<IJavaAttributeMappingProvider>(this.attributeMappingProviders)) { |
| @Override |
| protected String transform(IJavaAttributeMappingProvider provider) { |
| return provider.key(); |
| } |
| }; |
| } |
| |
| public Object getId() { |
| return IJavaContentNodes.PERSISTENT_ATTRIBUTE_ID; |
| } |
| |
| public Attribute getAttribute() { |
| return this.attribute; |
| } |
| |
| public boolean includes(int offset) { |
| ITextRange fullTextRange = this.fullTextRange(); |
| if (fullTextRange == null) { |
| //This happens if the attribute no longer exists in the java. |
| //The text selection event is fired before the update from java so our |
| //model has not yet had a chance to update appropriately. The list of |
| //JavaPersistentAttriubtes is stale at this point. For now, we are trying |
| //to avoid the NPE, not sure of the ultimate solution to these 2 threads accessing |
| //our model |
| return false; |
| } |
| return fullTextRange.includes(offset); |
| } |
| |
| public ITextRange fullTextRange() { |
| return this.attribute.textRange(); |
| } |
| |
| public ITextRange validationTextRange() { |
| return this.selectionTextRange(); |
| } |
| |
| public ITextRange selectionTextRange() { |
| return this.attribute.nameTextRange(); |
| } |
| |
| public boolean isFor(IMember member) { |
| return this.attribute.wraps(member); |
| } |
| |
| public void updateFromJava(CompilationUnit astRoot) { |
| // synchronize the "specified" mapping with the Java source |
| String jpaKey = this.specifiedMappingKey(); |
| IJavaAttributeMappingProvider javaProvider = this.javaAttributeMappingProvider(astRoot); |
| String javaKey = ((javaProvider == null) ? null : javaProvider.key()); |
| if (javaKey != jpaKey) { |
| IJavaAttributeMapping old = this.getMapping(); |
| if (javaKey == null) { |
| // no mapping annotation found in Java source |
| this.setSpecifiedMapping(null); |
| } |
| else { |
| // the mapping has changed |
| this.setSpecifiedMapping(javaProvider.buildMapping(this.attribute)); |
| this.specifiedMapping.initialize(); |
| } |
| if (this.eNotificationRequired()) { |
| this.eNotify(new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING, old, this.getMapping())); |
| } |
| } |
| // once the "specified" mapping is in place, update it from Java; |
| // unless it is null, in which case we update the "default" mapping from Java |
| this.getMapping().updateFromJava(astRoot); |
| } |
| |
| /** |
| * return null if we can't find a mapping annotation on the attribute |
| */ |
| private IJavaAttributeMappingProvider javaAttributeMappingProvider(CompilationUnit astRoot) { |
| for (IJavaAttributeMappingProvider provider : this.attributeMappingProviders) { |
| if (this.attribute.containsAnnotation(provider.declarationAnnotationAdapter(), astRoot)) { |
| return provider; |
| } |
| } |
| return null; |
| } |
| |
| public String primaryKeyColumnName() { |
| IJavaAttributeMapping mapping = this.getMapping(); |
| return (mapping == null) ? null : mapping.primaryKeyColumnName(); |
| } |
| |
| /** |
| * the mapping might be "default", but it still might be a "null" mapping... |
| */ |
| public boolean mappingIsDefault() { |
| return this.specifiedMapping == null; |
| } |
| |
| @Override |
| public Iterator<String> candidateValuesFor(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.candidateValuesFor(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| return this.getMapping().candidateValuesFor(pos, filter, astRoot); |
| } |
| |
| /** |
| * check to see whether the "default" mapping has changed |
| */ |
| public void refreshDefaults(DefaultsContext defaultsContext) { |
| IJavaAttributeMappingProvider defaultProvider = this.defaultAttributeMappingProvider(defaultsContext); |
| if (defaultProvider.key() == this.defaultMapping.getKey()) { |
| return; |
| } |
| // the "default" mapping has changed |
| IJavaAttributeMapping old = this.getMapping(); |
| this.setDefaultMapping(defaultProvider.buildMapping(this.attribute)); |
| this.defaultMapping.updateFromJava(this.attribute.astRoot()); |
| if (this.eNotificationRequired()) { |
| this.eNotify(new ENotificationImpl(this, Notification.SET, JpaJavaPackage.JAVA_PERSISTENT_ATTRIBUTE__MAPPING, old, this.getMapping())); |
| } |
| } |
| |
| /** |
| * return the first(?) provider that can supply a "default" mapping for the attribute; |
| * return the null provider if we can't find a provider |
| */ |
| private IJavaAttributeMappingProvider defaultAttributeMappingProvider(DefaultsContext defaultsContext) { |
| for (IJavaAttributeMappingProvider provider : this.attributeMappingProviders) { |
| if (provider.defaultApplies(this.attribute, defaultsContext)) { |
| return provider; |
| } |
| } |
| return this.nullAttributeMappingProvider; |
| } |
| |
| public boolean isOverridableAttribute() { |
| return this.getMapping().isOverridableAttributeMapping(); |
| } |
| |
| public boolean isOverridableAssociation() { |
| return this.getMapping().isOverridableAssociationMapping(); |
| } |
| |
| public boolean isIdAttribute() { |
| return this.getMapping().isIdMapping(); |
| } |
| } |