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/*******************************************************************************
* Copyright (c) 2007, 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 org.eclipse.jpt.core.context.NamedColumn;
import org.eclipse.jpt.core.context.orm.OrmJpaContextNode;
import org.eclipse.jpt.core.context.orm.OrmNamedColumn;
import org.eclipse.jpt.core.resource.orm.XmlNamedColumn;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.db.Column;
import org.eclipse.jpt.db.Table;
public abstract class AbstractOrmNamedColumn<T extends XmlNamedColumn> extends AbstractOrmJpaContextNode
implements OrmNamedColumn
{
protected Owner owner;
protected String specifiedName;
protected String defaultName;
protected String columnDefinition;
protected AbstractOrmNamedColumn(OrmJpaContextNode parent, Owner owner) {
super(parent);
this.owner = owner;
}
@Override
public OrmJpaContextNode getParent() {
return (OrmJpaContextNode) super.getParent();
}
public void initializeFrom(NamedColumn oldColumn) {
setSpecifiedName(oldColumn.getSpecifiedName());
setColumnDefinition(oldColumn.getColumnDefinition());
}
protected abstract T getColumnResource();
protected abstract void removeColumnResource();
protected abstract void addColumnResource();
public Owner getOwner() {
return this.owner;
}
public String getName() {
return (this.specifiedName != null) ? this.specifiedName : this.defaultName;
}
public String getSpecifiedName() {
return this.specifiedName;
}
public void setSpecifiedName(String newSpecifiedName) {
String oldSpecifiedName = this.specifiedName;
this.specifiedName = newSpecifiedName;
if (oldSpecifiedName != newSpecifiedName) {
if (this.getColumnResource() != null) {
this.getColumnResource().setName(newSpecifiedName);
if (this.getColumnResource().isAllFeaturesUnset()) {
removeColumnResource();
}
}
else if (newSpecifiedName != null) {
addColumnResource();
getColumnResource().setName(newSpecifiedName);
}
}
firePropertyChanged(SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName);
}
protected void setSpecifiedName_(String newSpecifiedName) {
String oldSpecifiedName = this.specifiedName;
this.specifiedName = newSpecifiedName;
firePropertyChanged(SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName);
}
public String getDefaultName() {
return this.defaultName;
}
protected void setDefaultName(String newDefaultName) {
String oldDefaultName = this.defaultName;
this.defaultName = newDefaultName;
firePropertyChanged(DEFAULT_NAME_PROPERTY, oldDefaultName, newDefaultName);
}
public String getColumnDefinition() {
return this.columnDefinition;
}
public void setColumnDefinition(String newColumnDefinition) {
String oldColumnDefinition = this.columnDefinition;
this.columnDefinition = newColumnDefinition;
if (oldColumnDefinition != newColumnDefinition) {
if (this.getColumnResource() != null) {
this.getColumnResource().setColumnDefinition(newColumnDefinition);
if (this.getColumnResource().isAllFeaturesUnset()) {
removeColumnResource();
}
}
else if (newColumnDefinition != null) {
addColumnResource();
getColumnResource().setColumnDefinition(newColumnDefinition);
}
}
firePropertyChanged(COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition);
}
protected void setColumnDefinition_(String newColumnDefinition) {
String oldColumnDefinition = this.columnDefinition;
this.columnDefinition = newColumnDefinition;
firePropertyChanged(COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition);
}
public Column getDbColumn() {
Table table = this.getDbTable();
return (table == null) ? null : table.columnNamed(getName());
}
public Table getDbTable() {
return getOwner().getDbTable(this.tableName());
}
protected abstract String tableName();
public boolean isResolved() {
return getDbColumn() != null;
}
public TextRange getNameTextRange() {
if (getColumnResource() != null) {
TextRange textRange = getColumnResource().getNameTextRange();
if (textRange != null) {
return textRange;
}
}
return getOwner().getValidationTextRange();
}
public TextRange getValidationTextRange() {
TextRange textRange = getColumnResource().getValidationTextRange();
if (textRange != null) {
return textRange;
}
return getOwner().getValidationTextRange();
}
// ******************* initialization from orm xml resource model ********************
protected void initialize(T column) {
this.specifiedName = this.specifiedName(column);
this.defaultName = this.defaultName();
this.columnDefinition = this.specifiedColumnDefinition(column);
}
protected void update(T column) {
setSpecifiedName_(this.specifiedName(column));
setDefaultName(this.defaultName());
setColumnDefinition_(this.specifiedColumnDefinition(column));
}
protected String specifiedName(T column) {
return column == null ? null : column.getName();
}
protected String specifiedColumnDefinition(T column) {
return column == null ? null : column.getColumnDefinition();
}
/**
* Return the default column name.
*/
protected String defaultName() {
return this.getOwner().getDefaultColumnName();
}
}
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