| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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.context.orm; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| import org.eclipse.jpt.core.context.BaseEmbeddedMapping; |
| import org.eclipse.jpt.core.context.BaseOverride; |
| import org.eclipse.jpt.core.context.ColumnMapping; |
| import org.eclipse.jpt.core.context.Embeddable; |
| import org.eclipse.jpt.core.context.PersistentAttribute; |
| import org.eclipse.jpt.core.context.java.JavaAttributeOverride; |
| import org.eclipse.jpt.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.core.context.orm.OrmAttributeOverride; |
| import org.eclipse.jpt.core.context.orm.OrmBaseEmbeddedMapping; |
| import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute; |
| import org.eclipse.jpt.core.internal.context.MappingTools; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaBaseEmbeddedMapping; |
| import org.eclipse.jpt.core.resource.orm.BaseXmlEmbedded; |
| import org.eclipse.jpt.core.resource.orm.OrmFactory; |
| import org.eclipse.jpt.core.resource.orm.XmlAttributeOverride; |
| import org.eclipse.jpt.core.resource.orm.XmlColumn; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.iterators.CloneIterator; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.CompositeListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| |
| |
| public abstract class AbstractOrmBaseEmbeddedMapping<T extends BaseXmlEmbedded> extends AbstractOrmAttributeMapping<T> implements OrmBaseEmbeddedMapping |
| { |
| protected final List<OrmAttributeOverride> specifiedAttributeOverrides; |
| |
| protected final List<OrmAttributeOverride> virtualAttributeOverrides; |
| |
| private Embeddable embeddable;//TODO hmm, why no property change notification for setting this?? |
| |
| protected AbstractOrmBaseEmbeddedMapping(OrmPersistentAttribute parent) { |
| super(parent); |
| this.specifiedAttributeOverrides = new ArrayList<OrmAttributeOverride>(); |
| this.virtualAttributeOverrides = new ArrayList<OrmAttributeOverride>(); |
| } |
| |
| @Override |
| public void initializeFromOrmBaseEmbeddedMapping(OrmBaseEmbeddedMapping oldMapping) { |
| super.initializeFromOrmBaseEmbeddedMapping(oldMapping); |
| int index = 0; |
| for (OrmAttributeOverride attributeOverride : CollectionTools.iterable(oldMapping.specifiedAttributeOverrides())) { |
| OrmAttributeOverride newAttributeOverride = addSpecifiedAttributeOverride(index++); |
| newAttributeOverride.setName(attributeOverride.getName()); |
| newAttributeOverride.getColumn().initializeFrom(attributeOverride.getColumn()); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public ListIterator<OrmAttributeOverride> attributeOverrides() { |
| return new CompositeListIterator<OrmAttributeOverride>(specifiedAttributeOverrides(), virtualAttributeOverrides()); |
| } |
| |
| public int attributeOverridesSize() { |
| return this.specifiedAttributeOverridesSize() + this.virtualAttributeOverridesSize(); |
| } |
| |
| public ListIterator<OrmAttributeOverride> virtualAttributeOverrides() { |
| return new CloneListIterator<OrmAttributeOverride>(this.virtualAttributeOverrides); |
| } |
| protected void addVirtualAttributeOverride(OrmAttributeOverride attributeOverride) { |
| addItemToList(attributeOverride, this.virtualAttributeOverrides, BaseEmbeddedMapping.VIRTUAL_ATTRIBUTE_OVERRIDES_LIST); |
| } |
| |
| protected void removeVirtualAttributeOverride(OrmAttributeOverride attributeOverride) { |
| removeItemFromList(attributeOverride, this.virtualAttributeOverrides, BaseEmbeddedMapping.VIRTUAL_ATTRIBUTE_OVERRIDES_LIST); |
| } |
| |
| public int virtualAttributeOverridesSize() { |
| return this.virtualAttributeOverrides.size(); |
| } |
| |
| public ListIterator<OrmAttributeOverride> specifiedAttributeOverrides() { |
| return new CloneListIterator<OrmAttributeOverride>(this.specifiedAttributeOverrides); |
| } |
| |
| public int specifiedAttributeOverridesSize() { |
| return this.specifiedAttributeOverrides.size(); |
| } |
| |
| protected OrmAttributeOverride addSpecifiedAttributeOverride(int index) { |
| XmlAttributeOverride xmlAttributeOverride = OrmFactory.eINSTANCE.createXmlAttributeOverrideImpl(); |
| OrmAttributeOverride attributeOverride = buildAttributeOverride(xmlAttributeOverride); |
| this.specifiedAttributeOverrides.add(index, attributeOverride); |
| this.resourceAttributeMapping.getAttributeOverrides().add(index, xmlAttributeOverride); |
| this.fireItemAdded(BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST, index, attributeOverride); |
| return attributeOverride; |
| } |
| |
| protected void addSpecifiedAttributeOverride(int index, OrmAttributeOverride attributeOverride) { |
| addItemToList(index, attributeOverride, this.specifiedAttributeOverrides, BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST); |
| } |
| |
| protected void addSpecifiedAttributeOverride(OrmAttributeOverride attributeOverride) { |
| this.addSpecifiedAttributeOverride(this.specifiedAttributeOverrides.size(), attributeOverride); |
| } |
| |
| protected void removeSpecifiedAttributeOverride_(OrmAttributeOverride attributeOverride) { |
| removeItemFromList(attributeOverride, this.specifiedAttributeOverrides, BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST); |
| } |
| |
| public void moveSpecifiedAttributeOverride(int targetIndex, int sourceIndex) { |
| CollectionTools.move(this.specifiedAttributeOverrides, targetIndex, sourceIndex); |
| this.resourceAttributeMapping.getAttributeOverrides().move(targetIndex, sourceIndex); |
| fireItemMoved(BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST, targetIndex, sourceIndex); |
| } |
| |
| public OrmAttributeOverride getAttributeOverrideNamed(String name) { |
| return (OrmAttributeOverride) getOverrideNamed(name, attributeOverrides()); |
| } |
| |
| protected BaseOverride getOverrideNamed(String name, ListIterator<? extends BaseOverride> overrides) { |
| for (BaseOverride override : CollectionTools.iterable(overrides)) { |
| String overrideName = override.getName(); |
| if (overrideName == null && name == null) { |
| return override; |
| } |
| if (overrideName != null && overrideName.equals(name)) { |
| return override; |
| } |
| } |
| return null; |
| } |
| |
| //****************** AttributeOverride.Owner implemenation ******************* |
| |
| public boolean isVirtual(BaseOverride override) { |
| return this.virtualAttributeOverrides.contains(override); |
| } |
| |
| public BaseOverride setVirtual(boolean virtual, BaseOverride override) { |
| // Add a new attribute override |
| if (virtual) { |
| return setVirtual((OrmAttributeOverride) override); |
| } |
| return setSpecified((OrmAttributeOverride) override); |
| } |
| |
| protected OrmAttributeOverride setVirtual(OrmAttributeOverride attributeOverride) { |
| int index = this.specifiedAttributeOverrides.indexOf(attributeOverride); |
| this.specifiedAttributeOverrides.remove(index); |
| String attributeOverrideName = attributeOverride.getName(); |
| //add the virtual attribute override so that I can control the order that change notification is sent. |
| //otherwise when we remove the annotation from java we will get an update and add the attribute override |
| //during the udpate. This causes the UI to be flaky, since change notification might not occur in the correct order |
| OrmAttributeOverride virtualAttributeOverride = null; |
| if (attributeOverrideName != null) { |
| for (PersistentAttribute persistentAttribute : CollectionTools.iterable(allOverridableAttributes())) { |
| if (persistentAttribute.getName().equals(attributeOverrideName)) { |
| JavaAttributeOverride javaAttributeOverride = null; |
| if (getJavaEmbeddedMapping() != null) { |
| javaAttributeOverride = getJavaEmbeddedMapping().getAttributeOverrideNamed(attributeOverrideName); |
| } |
| //store the virtualAttributeOverride so we can fire change notification later |
| virtualAttributeOverride = buildVirtualAttributeOverride(persistentAttribute, javaAttributeOverride); |
| this.virtualAttributeOverrides.add(virtualAttributeOverride); |
| } |
| } |
| } |
| |
| this.resourceAttributeMapping.getAttributeOverrides().remove(index); |
| fireItemRemoved(BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST, index, attributeOverride); |
| |
| if (virtualAttributeOverride != null) { |
| fireItemAdded(BaseEmbeddedMapping.VIRTUAL_ATTRIBUTE_OVERRIDES_LIST, virtualAttributeOverridesSize() - 1, virtualAttributeOverride); |
| } |
| return virtualAttributeOverride; |
| } |
| |
| protected OrmAttributeOverride setSpecified(OrmAttributeOverride oldAttributeOverride) { |
| int index = specifiedAttributeOverridesSize(); |
| XmlAttributeOverride xmlAttributeOverride = OrmFactory.eINSTANCE.createXmlAttributeOverrideImpl(); |
| OrmAttributeOverride newAttributeOverride = getJpaFactory().buildOrmAttributeOverride(this, this, xmlAttributeOverride); |
| this.specifiedAttributeOverrides.add(index, newAttributeOverride); |
| |
| this.resourceAttributeMapping.getAttributeOverrides().add(xmlAttributeOverride); |
| |
| int defaultIndex = this.virtualAttributeOverrides.indexOf(oldAttributeOverride); |
| this.virtualAttributeOverrides.remove(defaultIndex); |
| |
| newAttributeOverride.setName(oldAttributeOverride.getName()); |
| newAttributeOverride.getColumn().setSpecifiedName(oldAttributeOverride.getColumn().getName()); |
| |
| this.fireItemRemoved(BaseEmbeddedMapping.VIRTUAL_ATTRIBUTE_OVERRIDES_LIST, defaultIndex, oldAttributeOverride); |
| this.fireItemAdded(BaseEmbeddedMapping.SPECIFIED_ATTRIBUTE_OVERRIDES_LIST, index, newAttributeOverride); |
| |
| return newAttributeOverride; |
| } |
| |
| public ColumnMapping getColumnMapping(String attributeName) { |
| return MappingTools.getColumnMapping(attributeName, getEmbeddable()); |
| } |
| |
| public Embeddable getEmbeddable() { |
| return this.embeddable; |
| } |
| |
| public Iterator<String> allOverridableAttributeNames() { |
| return new TransformationIterator<PersistentAttribute, String>(this.allOverridableAttributes()) { |
| @Override |
| protected String transform(PersistentAttribute attribute) { |
| return attribute.getName(); |
| } |
| }; |
| } |
| |
| public Iterator<PersistentAttribute> allOverridableAttributes() { |
| if (this.getEmbeddable() == null) { |
| return EmptyIterator.instance(); |
| } |
| return new FilteringIterator<PersistentAttribute, PersistentAttribute>(this.getEmbeddable().getPersistentType().attributes()) { |
| @Override |
| protected boolean accept(PersistentAttribute o) { |
| return o.isOverridableAttribute(); |
| } |
| }; |
| } |
| |
| public AbstractJavaBaseEmbeddedMapping<?> getJavaEmbeddedMapping() { |
| if (this.getJavaPersistentAttribute() != null && this.getJavaPersistentAttribute().getMappingKey() == getKey()) { |
| return (AbstractJavaBaseEmbeddedMapping<?>) this.getJavaPersistentAttribute().getMapping(); |
| } |
| return null; |
| } |
| |
| @Override |
| public void initialize() { |
| super.initialize(); |
| this.embeddable = embeddableFor(this.getJavaPersistentAttribute()); |
| this.initializeSpecifiedAttributeOverrides(); |
| this.initializeVirtualAttributeOverrides(); |
| } |
| |
| protected void initializeSpecifiedAttributeOverrides() { |
| for (XmlAttributeOverride attributeOverride : this.resourceAttributeMapping.getAttributeOverrides()) { |
| this.specifiedAttributeOverrides.add(buildAttributeOverride(attributeOverride)); |
| } |
| } |
| |
| protected void initializeVirtualAttributeOverrides() { |
| if (getPersistentAttribute().isVirtual()) { |
| //specifiedAttributeOverrides are used if the persistentAttribute is virtual |
| return; |
| } |
| for (PersistentAttribute persistentAttribute : CollectionTools.iterable(allOverridableAttributes())) { |
| OrmAttributeOverride attributeOverride = getAttributeOverrideNamed(persistentAttribute.getName()); |
| if (attributeOverride == null) { |
| JavaAttributeOverride javaAttributeOverride = null; |
| if (getJavaEmbeddedMapping() != null) { |
| javaAttributeOverride = getJavaEmbeddedMapping().getAttributeOverrideNamed(persistentAttribute.getName()); |
| } |
| this.virtualAttributeOverrides.add(buildVirtualAttributeOverride(persistentAttribute, javaAttributeOverride)); |
| } |
| } |
| } |
| |
| protected OrmAttributeOverride buildVirtualAttributeOverride(PersistentAttribute persistentAttribute, JavaAttributeOverride javaAttributeOverride) { |
| return buildAttributeOverride(buildVirtualXmlAttributeOverride(persistentAttribute, javaAttributeOverride)); |
| } |
| |
| protected XmlAttributeOverride buildVirtualXmlAttributeOverride(PersistentAttribute persistentAttribute, JavaAttributeOverride javaAttributeOverride) { |
| XmlColumn xmlColumn; |
| if (javaAttributeOverride == null) { |
| ColumnMapping columnMapping = (ColumnMapping) persistentAttribute.getMapping(); |
| xmlColumn = new VirtualXmlColumn(getTypeMapping(), columnMapping.getColumn()); |
| } |
| else { |
| xmlColumn = new VirtualXmlColumn(getTypeMapping(), javaAttributeOverride.getColumn()); |
| } |
| return new VirtualXmlAttributeOverride(persistentAttribute.getName(), xmlColumn); |
| } |
| |
| protected OrmAttributeOverride buildAttributeOverride(XmlAttributeOverride attributeOverride) { |
| return getJpaFactory().buildOrmAttributeOverride(this, this, attributeOverride); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.embeddable = embeddableFor(this.getJavaPersistentAttribute()); |
| this.updateSpecifiedAttributeOverrides(); |
| this.updateVirtualAttributeOverrides(); |
| } |
| |
| protected void updateSpecifiedAttributeOverrides() { |
| // make a copy of the XML overrides (to prevent ConcurrentModificationException) |
| Iterator<XmlAttributeOverride> xmlOverrides = new CloneIterator<XmlAttributeOverride>(this.resourceAttributeMapping.getAttributeOverrides()); |
| |
| for (Iterator<OrmAttributeOverride> contextOverrides = this.specifiedAttributeOverrides(); contextOverrides.hasNext(); ) { |
| OrmAttributeOverride contextOverride = contextOverrides.next(); |
| if (xmlOverrides.hasNext()) { |
| contextOverride.update(xmlOverrides.next()); |
| } |
| else { |
| removeSpecifiedAttributeOverride_(contextOverride); |
| } |
| } |
| |
| while (xmlOverrides.hasNext()) { |
| addSpecifiedAttributeOverride(buildAttributeOverride(xmlOverrides.next())); |
| } |
| } |
| |
| protected void updateVirtualAttributeOverrides() { |
| Iterator<PersistentAttribute> overridableAttributes = allOverridableAttributes(); |
| ListIterator<OrmAttributeOverride> virtualAttributeOverrides = virtualAttributeOverrides(); |
| |
| if (!getPersistentAttribute().isVirtual()) { |
| //specifiedAttributeOverrides are used if the persistentAttribute is virtual |
| for (PersistentAttribute persistentAttribute : CollectionTools.iterable(overridableAttributes)) { |
| OrmAttributeOverride ormAttributeOverride = getAttributeOverrideNamed(persistentAttribute.getName()); |
| if (ormAttributeOverride != null && !ormAttributeOverride.isVirtual()) { |
| continue; |
| } |
| JavaAttributeOverride javaAttributeOverride = null; |
| if (getJavaEmbeddedMapping() != null) { |
| javaAttributeOverride = getJavaEmbeddedMapping().getAttributeOverrideNamed(persistentAttribute.getName()); |
| } |
| if (ormAttributeOverride != null) { |
| if (virtualAttributeOverrides.hasNext()) { |
| OrmAttributeOverride virtualAttributeOverride = virtualAttributeOverrides.next(); |
| virtualAttributeOverride.update(buildVirtualXmlAttributeOverride(persistentAttribute, javaAttributeOverride)); |
| } |
| else { |
| addVirtualAttributeOverride(buildVirtualAttributeOverride(persistentAttribute, javaAttributeOverride)); |
| } |
| } |
| else { |
| addVirtualAttributeOverride(buildVirtualAttributeOverride(persistentAttribute, javaAttributeOverride)); |
| } |
| } |
| } |
| for (OrmAttributeOverride virtualAttributeOverride : CollectionTools.iterable(virtualAttributeOverrides)) { |
| removeVirtualAttributeOverride(virtualAttributeOverride); |
| } |
| |
| } |
| |
| //************ static methods ************ |
| |
| public static Embeddable embeddableFor(JavaPersistentAttribute javaPersistentAttribute) { |
| if (javaPersistentAttribute == null) { |
| return null; |
| } |
| return MappingTools.getEmbeddableFor(javaPersistentAttribute); |
| } |
| } |