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/*******************************************************************************
* 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 java.util.List;
import org.eclipse.jpt.core.context.JoinColumn;
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.orm.AbstractOrmBaseColumn;
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;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
public class GenericOrmJoinColumn extends AbstractOrmBaseColumn<XmlJoinColumn> implements OrmJoinColumn
{
protected String specifiedReferencedColumnName;
protected String defaultReferencedColumnName;
protected XmlJoinColumn resourceJoinColumn;
public GenericOrmJoinColumn(XmlContextNode parent, OrmJoinColumn.Owner owner, XmlJoinColumn resourceJoinColumn) {
super(parent, owner);
this.initialize(resourceJoinColumn);
}
public void initializeFrom(JoinColumn oldColumn) {
super.initializeFrom(oldColumn);
setSpecifiedReferencedColumnName(oldColumn.getSpecifiedReferencedColumnName());
}
public String getReferencedColumnName() {
return (this.getSpecifiedReferencedColumnName() == null) ? getDefaultReferencedColumnName() : this.getSpecifiedReferencedColumnName();
}
public String getSpecifiedReferencedColumnName() {
return this.specifiedReferencedColumnName;
}
public void setSpecifiedReferencedColumnName(String newSpecifiedReferencedColumnName) {
String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName;
this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName;
getResourceColumn().setReferencedColumnName(newSpecifiedReferencedColumnName);
firePropertyChanged(SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName);
}
protected void setSpecifiedReferencedColumnName_(String newSpecifiedReferencedColumnName) {
String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName;
this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName;
firePropertyChanged(SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName);
}
public String getDefaultReferencedColumnName() {
return this.defaultReferencedColumnName;
}
protected void setDefaultReferencedColumnName(String newDefaultReferencedColumnName) {
String oldDefaultReferencedColumnName = this.defaultReferencedColumnName;
this.defaultReferencedColumnName = newDefaultReferencedColumnName;
firePropertyChanged(DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, oldDefaultReferencedColumnName, newDefaultReferencedColumnName);
}
public boolean isVirtual() {
return getOwner().isVirtual(this);
}
@Override
public OrmJoinColumn.Owner getOwner() {
return (OrmJoinColumn.Owner) this.owner;
}
public Table getReferencedColumnDbTable() {
return getOwner().getReferencedColumnDbTable();
}
public Column getReferencedDbColumn() {
Table table = getReferencedColumnDbTable();
return (table == null) ? null : table.getColumnForIdentifier(getReferencedColumnName());
}
public boolean isReferencedColumnResolved() {
return getReferencedDbColumn() != null;
}
public TextRange getReferencedColumnNameTextRange() {
if (getResourceColumn() != null) {
TextRange textRange = getResourceColumn().getReferencedColumnNameTextRange();
if (textRange != null) {
return textRange;
}
}
return getOwner().getValidationTextRange();
}
@Override
protected XmlJoinColumn getResourceColumn() {
return this.resourceJoinColumn;
}
@Override
protected void addResourceColumn() {
//joinColumns are part of a collection, the join-column element will be removed/added
//when the XmlJoinColumn is removed/added to the XmlEntity collection
}
@Override
protected void removeResourceColumn() {
//joinColumns are part of a collection, the pk-join-column element will be removed/added
//when the XmlJoinColumn is removed/added to the XmlEntity collection
}
@Override
protected void initialize(XmlJoinColumn xjc) {
this.resourceJoinColumn = xjc;
super.initialize(xjc);
this.specifiedReferencedColumnName = buildSpecifiedReferencedColumnName(xjc);
this.defaultReferencedColumnName = buildDefaultReferencedColumnName();
}
@Override
public void update(XmlJoinColumn xjc) {
this.resourceJoinColumn = xjc;
super.update(xjc);
this.setSpecifiedReferencedColumnName_(buildSpecifiedReferencedColumnName(xjc));
this.setDefaultReferencedColumnName(buildDefaultReferencedColumnName());
}
protected String buildSpecifiedReferencedColumnName(XmlJoinColumn xjc) {
return (xjc == null) ? null : xjc.getReferencedColumnName();
}
@Override
protected String buildDefaultName() {
return MappingTools.buildJoinColumnDefaultName(this, this.getOwner());
}
protected String buildDefaultReferencedColumnName() {
return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.getOwner());
}
//******************* validation ***********************
@Override
//this method will only be called if the table validates correctly
protected void validateName(List<IMessage> messages) {
//do not call super here, first need to check for multiple join columns errors
this.validateJoinColumnName(messages);
this.validateReferencedColumnName(messages);
}
protected void validateJoinColumnName(List<IMessage> messages) {
if (this.getSpecifiedName() == null && this.getOwner().joinColumnsSize() > 1) {
messages.add(this.buildUnspecifiedNameMultipleJoinColumnsMessage());
}
else if (this.getName() != null){
super.validateName(messages);
}
//If the name is null and there is only one join-column, one of these validation messages will apply
// 1. target entity does not have a primary key
// 2. target entity is not specified
// 3. target entity is not an entity
}
protected void validateReferencedColumnName(List<IMessage> messages) {
if (this.getSpecifiedReferencedColumnName() == null && this.getOwner().joinColumnsSize() > 1) {
messages.add(this.buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage());
}
else if (this.getSpecifiedReferencedColumnName() != null) {
Table refColumnDbTable = this.getReferencedColumnDbTable();
if (refColumnDbTable != null && ! this.isReferencedColumnResolved()) {
messages.add(getOwner().buildUnresolvedReferencedColumnNameMessage(this, this.getReferencedColumnNameTextRange()));
}
}
//If the referenced column name is null and there is only one join-column, one of these validation messages will apply
// 1. target entity does not have a primary key
// 2. target entity is not specified
// 3. target entity is not an entity
}
protected IMessage buildUnspecifiedNameMultipleJoinColumnsMessage() {
return getOwner().buildUnspecifiedNameMultipleJoinColumnsMessage(this, getNameTextRange());
}
protected IMessage buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage() {
return getOwner().buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(this, getReferencedColumnNameTextRange());
}
}
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