| /******************************************************************************* |
| * 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.context.orm; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.ListIterator; |
| import org.eclipse.jpt.core.context.AbstractJoinColumn; |
| import org.eclipse.jpt.core.context.Entity; |
| import org.eclipse.jpt.core.context.FetchType; |
| import org.eclipse.jpt.core.context.JoinColumn; |
| import org.eclipse.jpt.core.context.Nullable; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.core.context.SingleRelationshipMapping; |
| import org.eclipse.jpt.core.context.TypeMapping; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumn; |
| import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute; |
| import org.eclipse.jpt.core.context.orm.OrmSingleRelationshipMapping; |
| import org.eclipse.jpt.core.resource.orm.OrmFactory; |
| import org.eclipse.jpt.core.resource.orm.XmlJoinColumn; |
| import org.eclipse.jpt.core.resource.orm.XmlSingleRelationshipMapping; |
| import org.eclipse.jpt.db.internal.Table; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyListIterator; |
| |
| |
| public abstract class AbstractOrmSingleRelationshipMapping<T extends XmlSingleRelationshipMapping> |
| extends AbstractOrmRelationshipMapping<T> implements OrmSingleRelationshipMapping |
| { |
| |
| protected final List<OrmJoinColumn> specifiedJoinColumns; |
| |
| protected final List<OrmJoinColumn> defaultJoinColumns; |
| |
| protected Boolean specifiedOptional; |
| |
| protected AbstractOrmSingleRelationshipMapping(OrmPersistentAttribute parent) { |
| super(parent); |
| this.specifiedJoinColumns = new ArrayList<OrmJoinColumn>(); |
| this.defaultJoinColumns = new ArrayList<OrmJoinColumn>(); |
| |
| //this.getDefaultJoinColumns().add(this.createJoinColumn(new JoinColumnOwner(this))); |
| } |
| |
| @Override |
| public void initializeFromXmlSingleRelationshipMapping(OrmSingleRelationshipMapping oldMapping) { |
| super.initializeFromXmlSingleRelationshipMapping(oldMapping); |
| int index = 0; |
| for (JoinColumn joinColumn : CollectionTools.iterable(oldMapping.specifiedJoinColumns())) { |
| OrmJoinColumn newJoinColumn = addSpecifiedJoinColumn(index++); |
| newJoinColumn.initializeFrom(joinColumn); |
| } |
| } |
| |
| public FetchType getDefaultFetch() { |
| return SingleRelationshipMapping.DEFAULT_FETCH_TYPE; |
| } |
| |
| //***************** ISingleRelationshipMapping implementation ***************** |
| public ListIterator<OrmJoinColumn> joinColumns() { |
| return this.specifiedJoinColumns.isEmpty() ? this.defaultJoinColumns() : this.specifiedJoinColumns(); |
| } |
| |
| public int joinColumnsSize() { |
| return this.specifiedJoinColumns.isEmpty() ? this.defaultJoinColumnsSize() : this.specifiedJoinColumnsSize(); |
| } |
| |
| public OrmJoinColumn getDefaultJoinColumn() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| |
| public ListIterator<OrmJoinColumn> defaultJoinColumns() { |
| return new CloneListIterator<OrmJoinColumn>(this.defaultJoinColumns); |
| } |
| |
| public int defaultJoinColumnsSize() { |
| return this.defaultJoinColumns.size(); |
| } |
| |
| public ListIterator<OrmJoinColumn> specifiedJoinColumns() { |
| return new CloneListIterator<OrmJoinColumn>(this.specifiedJoinColumns); |
| } |
| |
| public int specifiedJoinColumnsSize() { |
| return this.specifiedJoinColumns.size(); |
| } |
| |
| public boolean containsSpecifiedJoinColumns() { |
| return !this.specifiedJoinColumns.isEmpty(); |
| } |
| |
| public OrmJoinColumn addSpecifiedJoinColumn(int index) { |
| OrmJoinColumn joinColumn = jpaFactory().buildOrmJoinColumn(this, new JoinColumnOwner()); |
| this.specifiedJoinColumns.add(index, joinColumn); |
| this.attributeMapping().getJoinColumns().add(index, OrmFactory.eINSTANCE.createJoinColumnImpl()); |
| this.fireItemAdded(SingleRelationshipMapping.SPECIFIED_JOIN_COLUMNS_LIST, index, joinColumn); |
| return joinColumn; |
| } |
| |
| protected void addSpecifiedJoinColumn(int index, OrmJoinColumn joinColumn) { |
| addItemToList(index, joinColumn, this.specifiedJoinColumns, SingleRelationshipMapping.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void removeSpecifiedJoinColumn(JoinColumn joinColumn) { |
| this.removeSpecifiedJoinColumn(this.specifiedJoinColumns.indexOf(joinColumn)); |
| } |
| |
| public void removeSpecifiedJoinColumn(int index) { |
| OrmJoinColumn removedJoinColumn = this.specifiedJoinColumns.remove(index); |
| this.attributeMapping().getJoinColumns().remove(index); |
| fireItemRemoved(SingleRelationshipMapping.SPECIFIED_JOIN_COLUMNS_LIST, index, removedJoinColumn); |
| } |
| |
| protected void removeSpecifiedJoinColumn_(OrmJoinColumn joinColumn) { |
| removeItemFromList(joinColumn, this.specifiedJoinColumns, SingleRelationshipMapping.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void moveSpecifiedJoinColumn(int targetIndex, int sourceIndex) { |
| CollectionTools.move(this.specifiedJoinColumns, targetIndex, sourceIndex); |
| this.attributeMapping().getJoinColumns().move(targetIndex, sourceIndex); |
| fireItemMoved(SingleRelationshipMapping.SPECIFIED_JOIN_COLUMNS_LIST, targetIndex, sourceIndex); |
| } |
| |
| public Boolean getOptional() { |
| return getSpecifiedOptional() == null ? getDefaultOptional() : getSpecifiedOptional(); |
| } |
| |
| public Boolean getDefaultOptional() { |
| return Nullable.DEFAULT_OPTIONAL; |
| } |
| |
| public Boolean getSpecifiedOptional() { |
| return this.specifiedOptional; |
| } |
| |
| public void setSpecifiedOptional(Boolean newSpecifiedOptional) { |
| Boolean oldSpecifiedOptional = this.specifiedOptional; |
| this.specifiedOptional = newSpecifiedOptional; |
| attributeMapping().setOptional(newSpecifiedOptional); |
| firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, oldSpecifiedOptional, newSpecifiedOptional); |
| } |
| |
| protected void setSpecifiedOptional_(Boolean newSpecifiedOptional) { |
| Boolean oldSpecifiedOptional = this.specifiedOptional; |
| this.specifiedOptional = newSpecifiedOptional; |
| firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, oldSpecifiedOptional, newSpecifiedOptional); |
| } |
| // |
| // public boolean containsSpecifiedJoinColumns() { |
| // return !this.getSpecifiedJoinColumns().isEmpty(); |
| // } |
| |
| @Override |
| public void initialize(T singleRelationshipMapping) { |
| super.initialize(singleRelationshipMapping); |
| this.specifiedOptional = singleRelationshipMapping.getOptional(); |
| //TODO defaultOptional |
| this.initializeSpecifiedJoinColumns(singleRelationshipMapping); |
| } |
| |
| protected void initializeSpecifiedJoinColumns(T singleRelationshipMapping) { |
| if (singleRelationshipMapping == null) { |
| return; |
| } |
| for (XmlJoinColumn joinColumn : singleRelationshipMapping.getJoinColumns()) { |
| this.specifiedJoinColumns.add(createJoinColumn(joinColumn)); |
| } |
| } |
| |
| protected OrmJoinColumn createJoinColumn(XmlJoinColumn joinColumn) { |
| OrmJoinColumn ormJoinColumn = jpaFactory().buildOrmJoinColumn(this, new JoinColumnOwner()); |
| ormJoinColumn.initialize(joinColumn); |
| return ormJoinColumn; |
| } |
| |
| @Override |
| public void update(T singleRelationshipMapping) { |
| super.update(singleRelationshipMapping); |
| this.setSpecifiedOptional_(singleRelationshipMapping.getOptional()); |
| this.updateSpecifiedJoinColumns(singleRelationshipMapping); |
| } |
| |
| protected void updateSpecifiedJoinColumns(T singleRelationshipMapping) { |
| ListIterator<OrmJoinColumn> joinColumns = specifiedJoinColumns(); |
| ListIterator<XmlJoinColumn> resourceJoinColumns = EmptyListIterator.instance(); |
| if (singleRelationshipMapping != null) { |
| resourceJoinColumns = singleRelationshipMapping.getJoinColumns().listIterator(); |
| } |
| |
| while (joinColumns.hasNext()) { |
| OrmJoinColumn joinColumn = joinColumns.next(); |
| if (resourceJoinColumns.hasNext()) { |
| joinColumn.update(resourceJoinColumns.next()); |
| } |
| else { |
| removeSpecifiedJoinColumn_(joinColumn); |
| } |
| } |
| |
| while (resourceJoinColumns.hasNext()) { |
| addSpecifiedJoinColumn(specifiedJoinColumnsSize(), createJoinColumn(resourceJoinColumns.next())); |
| } |
| } |
| |
| |
| public class JoinColumnOwner implements JoinColumn.Owner |
| { |
| |
| public JoinColumnOwner() { |
| super(); |
| } |
| |
| /** |
| * by default, the join column is in the type mapping's primary table |
| */ |
| public String defaultTableName() { |
| return AbstractOrmSingleRelationshipMapping.this.typeMapping().tableName(); |
| } |
| |
| public Entity targetEntity() { |
| return AbstractOrmSingleRelationshipMapping.this.getResolvedTargetEntity(); |
| } |
| |
| public String attributeName() { |
| return AbstractOrmSingleRelationshipMapping.this.getName(); |
| } |
| |
| public RelationshipMapping relationshipMapping() { |
| return AbstractOrmSingleRelationshipMapping.this; |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| return AbstractOrmSingleRelationshipMapping.this.typeMapping().tableNameIsInvalid(tableName); |
| } |
| |
| /** |
| * the join column can be on a secondary table |
| */ |
| public boolean tableIsAllowed() { |
| return true; |
| } |
| |
| public TypeMapping typeMapping() { |
| return AbstractOrmSingleRelationshipMapping.this.typeMapping(); |
| } |
| |
| public Table dbTable(String tableName) { |
| return typeMapping().dbTable(tableName); |
| } |
| |
| public Table dbReferencedColumnTable() { |
| Entity targetEntity = targetEntity(); |
| return (targetEntity == null) ? null : targetEntity.primaryDbTable(); |
| } |
| |
| public boolean isVirtual(AbstractJoinColumn joinColumn) { |
| return AbstractOrmSingleRelationshipMapping.this.defaultJoinColumns.contains(joinColumn); |
| } |
| |
| public String defaultColumnName() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| public int joinColumnsSize() { |
| return AbstractOrmSingleRelationshipMapping.this.joinColumnsSize(); |
| } |
| } |
| } |