| /******************************************************************************* |
| * Copyright (c) 2008 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.TextRange; |
| import org.eclipse.jpt.core.context.AbstractJoinColumn; |
| import org.eclipse.jpt.core.context.AssociationOverride; |
| import org.eclipse.jpt.core.context.BaseOverride; |
| import org.eclipse.jpt.core.context.Entity; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.core.context.TypeMapping; |
| import org.eclipse.jpt.core.context.orm.OrmAssociationOverride; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumn; |
| import org.eclipse.jpt.core.context.orm.OrmJpaContextNode; |
| import org.eclipse.jpt.core.resource.orm.OrmFactory; |
| import org.eclipse.jpt.core.resource.orm.XmlAssociationOverride; |
| import org.eclipse.jpt.core.resource.orm.XmlJoinColumn; |
| import org.eclipse.jpt.db.internal.Table; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| |
| public class GenericOrmAssociationOverride extends AbstractOrmJpaContextNode |
| implements OrmAssociationOverride |
| { |
| |
| protected String name; |
| |
| protected final List<OrmJoinColumn> specifiedJoinColumns; |
| |
| protected final List<OrmJoinColumn> defaultJoinColumns; |
| |
| private final AssociationOverride.Owner owner; |
| |
| protected XmlAssociationOverride associationOverride; |
| |
| |
| public GenericOrmAssociationOverride(OrmJpaContextNode parent, AssociationOverride.Owner owner, XmlAssociationOverride associationOverride) { |
| super(parent); |
| this.owner = owner; |
| this.specifiedJoinColumns = new ArrayList<OrmJoinColumn>(); |
| this.defaultJoinColumns = new ArrayList<OrmJoinColumn>(); |
| this.initialize(associationOverride); |
| } |
| |
| public Owner owner() { |
| return this.owner; |
| } |
| |
| // ********** IAssociationOverride implementation ********** |
| |
| public String getName() { |
| return this.name; |
| } |
| |
| public void setName(String newName) { |
| String oldName = this.name; |
| this.name = newName; |
| this.associationOverride.setName(newName); |
| firePropertyChanged(BaseOverride.NAME_PROPERTY, oldName, newName); |
| } |
| |
| |
| public ListIterator<OrmJoinColumn> joinColumns() { |
| return this.specifiedJoinColumns.isEmpty() ? this.defaultJoinColumns() : this.specifiedJoinColumns(); |
| } |
| |
| public int joinColumnsSize() { |
| return this.specifiedJoinColumns.isEmpty() ? this.defaultJoinColumnsSize() : this.specifiedJoinColumnsSize(); |
| } |
| |
| 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 OrmJoinColumn addSpecifiedJoinColumn(int index) { |
| OrmJoinColumn joinColumn = jpaFactory().buildOrmJoinColumn(this, createJoinColumnOwner()); |
| this.specifiedJoinColumns.add(index, joinColumn); |
| this.associationOverride.getJoinColumns().add(index, OrmFactory.eINSTANCE.createXmlJoinColumnImpl()); |
| this.fireItemAdded(AssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST, index, joinColumn); |
| return joinColumn; |
| } |
| |
| protected OrmJoinColumn.Owner createJoinColumnOwner() { |
| return new JoinColumnOwner(); |
| } |
| |
| protected void addSpecifiedJoinColumn(int index, OrmJoinColumn joinColumn) { |
| addItemToList(index, joinColumn, this.specifiedJoinColumns, AssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void removeSpecifiedJoinColumn(int index) { |
| OrmJoinColumn removedJoinColumn = this.specifiedJoinColumns.remove(index); |
| this.associationOverride.getJoinColumns().remove(index); |
| fireItemRemoved(Entity.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, removedJoinColumn); |
| } |
| |
| protected void removeSpecifiedJoinColumn(OrmJoinColumn joinColumn) { |
| removeItemFromList(joinColumn, this.specifiedJoinColumns, AssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void moveSpecifiedJoinColumn(int targetIndex, int sourceIndex) { |
| this.associationOverride.getJoinColumns().move(targetIndex, sourceIndex); |
| moveItemInList(targetIndex, sourceIndex, this.specifiedJoinColumns, AssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public boolean containsSpecifiedJoinColumns() { |
| return !this.specifiedJoinColumns.isEmpty(); |
| } |
| |
| public boolean isVirtual() { |
| return owner().isVirtual(this); |
| } |
| |
| protected void initialize(XmlAssociationOverride associationOverride) { |
| this.associationOverride = associationOverride; |
| this.name = associationOverride.getName(); |
| initializeSpecifiedJoinColumns(associationOverride); |
| } |
| |
| protected void initializeSpecifiedJoinColumns(XmlAssociationOverride associationOverride) { |
| for (XmlJoinColumn joinColumn : associationOverride.getJoinColumns()) { |
| this.specifiedJoinColumns.add(createJoinColumn(joinColumn)); |
| } |
| } |
| |
| public void update(XmlAssociationOverride associationOverride) { |
| this.associationOverride = associationOverride; |
| this.setName(associationOverride.getName()); |
| updateSpecifiedJoinColumns(associationOverride); |
| } |
| |
| protected void updateSpecifiedJoinColumns(XmlAssociationOverride associationOverride) { |
| ListIterator<OrmJoinColumn> joinColumns = specifiedJoinColumns(); |
| ListIterator<XmlJoinColumn> resourceJoinColumns = associationOverride.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())); |
| } |
| } |
| |
| protected OrmJoinColumn createJoinColumn(XmlJoinColumn joinColumn) { |
| OrmJoinColumn ormJoinColumn = jpaFactory().buildOrmJoinColumn(this, new JoinColumnOwner()); |
| ormJoinColumn.initialize(joinColumn); |
| return ormJoinColumn; |
| } |
| |
| public TextRange validationTextRange() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| class JoinColumnOwner implements OrmJoinColumn.Owner |
| { |
| |
| public JoinColumnOwner() { |
| super(); |
| } |
| |
| /** |
| * by default, the join column is in the type mapping's primary table |
| */ |
| public String defaultTableName() { |
| return GenericOrmAssociationOverride.this.owner.typeMapping().tableName(); |
| } |
| |
| public String defaultColumnName() { |
| return null; |
| } |
| |
| public Entity targetEntity() { |
| RelationshipMapping relationshipMapping = relationshipMapping(); |
| return relationshipMapping == null ? null : relationshipMapping.getResolvedTargetEntity(); |
| } |
| |
| public String attributeName() { |
| return GenericOrmAssociationOverride.this.getName(); |
| } |
| |
| public RelationshipMapping relationshipMapping() { |
| return GenericOrmAssociationOverride.this.owner.relationshipMapping(GenericOrmAssociationOverride.this.getName()); |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| return typeMapping().tableNameIsInvalid(tableName); |
| } |
| |
| /** |
| * the join column can be on a secondary table |
| */ |
| public boolean tableIsAllowed() { |
| return true; |
| } |
| |
| public TypeMapping typeMapping() { |
| return GenericOrmAssociationOverride.this.owner.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 GenericOrmAssociationOverride.this.defaultJoinColumns.contains(joinColumn); |
| } |
| |
| public int joinColumnsSize() { |
| return GenericOrmAssociationOverride.this.joinColumnsSize(); |
| } |
| |
| public TextRange validationTextRange() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| } |
| |
| } |