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/*******************************************************************************
* Copyright (c) 2007, 2011 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.jpa.core.internal.jpa1.context.orm;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn;
import org.eclipse.jpt.jpa.core.context.XmlContextNode;
import org.eclipse.jpt.jpa.core.context.orm.OrmJoinColumn;
import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.context.orm.AbstractOrmBaseColumn;
import org.eclipse.jpt.jpa.core.internal.context.orm.OrmJoinColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.resource.orm.XmlJoinColumn;
import org.eclipse.jpt.jpa.db.Column;
import org.eclipse.jpt.jpa.db.Table;
/**
* <code>orm.xml</code> join column
*/
public class GenericOrmJoinColumn
extends AbstractOrmBaseColumn<XmlJoinColumn, OrmJoinColumn.Owner>
implements OrmJoinColumn
{
/** @see org.eclipse.jpt.jpa.core.internal.context.orm.AbstractOrmNamedColumn#AbstractOrmNamedColumn(XmlContextNode, org.eclipse.jpt.jpa.core.context.orm.OrmNamedColumn.Owner, org.eclipse.jpt.jpa.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.getValidationTextRange(this.xmlColumn.getReferencedColumnNameTextRange());
}
@Override
protected NamedColumnTextRangeResolver buildTextRangeResolver() {
return new OrmJoinColumnTextRangeResolver(this);
}
}
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