| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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.jpa1.context.orm; |
| |
| import org.eclipse.jpt.core.context.ReadOnlyJoinColumn; |
| import org.eclipse.jpt.core.context.XmlContextNode; |
| import org.eclipse.jpt.core.context.orm.OrmJoinColumn; |
| import org.eclipse.jpt.core.internal.context.MappingTools; |
| import org.eclipse.jpt.core.internal.context.NamedColumnTextRangeResolver; |
| import org.eclipse.jpt.core.internal.context.orm.AbstractOrmBaseColumn; |
| import org.eclipse.jpt.core.internal.context.orm.OrmJoinColumnTextRangeResolver; |
| import org.eclipse.jpt.core.resource.orm.XmlJoinColumn; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.db.Column; |
| import org.eclipse.jpt.db.Table; |
| |
| /** |
| * <code>orm.xml</code> join column |
| */ |
| public class GenericOrmJoinColumn |
| extends AbstractOrmBaseColumn<XmlJoinColumn, OrmJoinColumn.Owner> |
| implements OrmJoinColumn |
| { |
| /** @see org.eclipse.jpt.core.internal.context.orm.AbstractOrmNamedColumn#AbstractOrmNamedColumn(XmlContextNode, org.eclipse.jpt.core.context.orm.OrmNamedColumn.Owner, org.eclipse.jpt.core.resource.orm.AbstractXmlNamedColumn) */ |
| protected /* final */ XmlJoinColumn xmlColumn; // null for default join columns |
| |
| protected String specifiedReferencedColumnName; |
| protected String defaultReferencedColumnName; |
| |
| |
| public GenericOrmJoinColumn(XmlContextNode parent, OrmJoinColumn.Owner owner) { |
| this(parent, owner, null); |
| } |
| |
| public GenericOrmJoinColumn(XmlContextNode parent, OrmJoinColumn.Owner owner, XmlJoinColumn xmlColumn) { |
| super(parent, owner, xmlColumn); |
| this.specifiedReferencedColumnName = this.buildSpecifiedReferencedColumnName(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.setSpecifiedReferencedColumnName_(this.buildSpecifiedReferencedColumnName()); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.setDefaultReferencedColumnName(this.buildDefaultReferencedColumnName()); |
| } |
| |
| |
| // ********** XML column ********** |
| |
| @Override |
| public XmlJoinColumn getXmlColumn() { |
| return this.xmlColumn; |
| } |
| |
| @Override |
| protected void setXmlColumn(XmlJoinColumn xmlColumn) { |
| this.xmlColumn = xmlColumn; |
| } |
| |
| /** |
| * join columns are part of a collection; |
| * the 'join-column' element will be removed/added |
| * when the XML join column is removed from/added to |
| * the owner's collection |
| */ |
| @Override |
| protected XmlJoinColumn buildXmlColumn() { |
| throw new IllegalStateException("XML join column is missing"); //$NON-NLS-1$ |
| } |
| |
| /** |
| * @see #buildXmlColumn() |
| */ |
| @Override |
| protected void removeXmlColumn() { |
| // do nothing |
| } |
| |
| |
| // ********** referenced column name ********** |
| |
| public String getReferencedColumnName() { |
| return (this.specifiedReferencedColumnName != null) ? this.specifiedReferencedColumnName : this.defaultReferencedColumnName; |
| } |
| |
| public String getSpecifiedReferencedColumnName() { |
| return this.specifiedReferencedColumnName; |
| } |
| |
| public void setSpecifiedReferencedColumnName(String name) { |
| this.setSpecifiedReferencedColumnName_(name); |
| this.getXmlColumn().setReferencedColumnName(name); |
| } |
| |
| protected void setSpecifiedReferencedColumnName_(String name) { |
| String old = this.specifiedReferencedColumnName; |
| this.specifiedReferencedColumnName = name; |
| this.firePropertyChanged(SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildSpecifiedReferencedColumnName() { |
| XmlJoinColumn joinColumn = this.getXmlColumn(); |
| return (joinColumn == null) ? null : joinColumn.getReferencedColumnName(); |
| } |
| |
| public String getDefaultReferencedColumnName() { |
| return this.defaultReferencedColumnName; |
| } |
| |
| protected void setDefaultReferencedColumnName(String name) { |
| String old = this.defaultReferencedColumnName; |
| this.defaultReferencedColumnName = name; |
| this.firePropertyChanged(DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildDefaultReferencedColumnName() { |
| return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.owner); |
| } |
| |
| |
| // ********** database stuff ********** |
| |
| public Table getReferencedColumnDbTable() { |
| return this.owner.getReferencedColumnDbTable(); |
| } |
| |
| protected Column getReferencedDbColumn() { |
| Table table = this.getReferencedColumnDbTable(); |
| return (table == null) ? null : table.getColumnForIdentifier(this.getReferencedColumnName()); |
| } |
| |
| public boolean referencedColumnIsResolved() { |
| return this.getReferencedDbColumn() != null; |
| } |
| |
| |
| // ********** misc ********** |
| |
| public void initializeFrom(ReadOnlyJoinColumn oldColumn) { |
| super.initializeFrom(oldColumn); |
| this.setSpecifiedReferencedColumnName(oldColumn.getSpecifiedReferencedColumnName()); |
| } |
| |
| public void initializeFromVirtual(ReadOnlyJoinColumn virtualColumn) { |
| super.initializeFromVirtual(virtualColumn); |
| this.setSpecifiedReferencedColumnName(virtualColumn.getReferencedColumnName()); |
| } |
| |
| public boolean isDefault() { |
| return this.owner.joinColumnIsDefault(this); |
| } |
| |
| @Override |
| protected String buildDefaultName() { |
| return MappingTools.buildJoinColumnDefaultName(this, this.owner); |
| } |
| |
| public TextRange getReferencedColumnNameTextRange() { |
| return this.getTextRange(this.xmlColumn.getReferencedColumnNameTextRange()); |
| } |
| |
| @Override |
| protected NamedColumnTextRangeResolver buildTextRangeResolver() { |
| return new OrmJoinColumnTextRangeResolver(this); |
| } |
| } |