| /******************************************************************************* |
| * Copyright (c) 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.jpa.core.internal.context.orm; |
| |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.jpa.core.context.JpaContextNode; |
| import org.eclipse.jpt.jpa.core.context.NamedColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyNamedColumn; |
| import org.eclipse.jpt.jpa.core.context.VirtualNamedColumn; |
| |
| /** |
| * <code>orm.xml</code> virtual<ul> |
| * <li>column |
| * <li>join column |
| * </ul> |
| * <strong>NB:</strong> all state is sync'ed/updated in {@link #update()} |
| * because <em>all</em> of its derived from the context model (i.e. none of it |
| * is derived from the resource model). |
| */ |
| public abstract class AbstractOrmVirtualNamedColumn<O extends ReadOnlyNamedColumn.Owner, C extends NamedColumn> |
| extends AbstractOrmXmlContextNode |
| implements VirtualNamedColumn |
| { |
| protected final O owner; |
| |
| protected String specifiedName; |
| protected String defaultName; |
| |
| protected String columnDefinition; |
| |
| |
| protected AbstractOrmVirtualNamedColumn(JpaContextNode parent, O owner) { |
| super(parent); |
| this.owner = owner; |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| |
| this.setSpecifiedName(this.buildSpecifiedName()); |
| this.setDefaultName(this.buildDefaultName()); |
| |
| this.setColumnDefinition(this.buildColumnDefinition()); |
| } |
| |
| |
| // ********** column ********** |
| |
| /** |
| * This should never return <code>null</code>. |
| */ |
| public abstract C getOverriddenColumn(); |
| |
| |
| // ********** name ********** |
| |
| public String getName() { |
| return (this.specifiedName != null) ? this.specifiedName : this.defaultName; |
| } |
| |
| public String getSpecifiedName() { |
| return this.specifiedName; |
| } |
| |
| protected void setSpecifiedName(String name) { |
| String old = this.specifiedName; |
| this.specifiedName = name; |
| this.firePropertyChanged(SPECIFIED_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildSpecifiedName() { |
| return this.getOverriddenColumn().getSpecifiedName(); |
| } |
| |
| public String getDefaultName() { |
| return this.defaultName; |
| } |
| |
| protected void setDefaultName(String name) { |
| String old = this.defaultName; |
| this.defaultName = name; |
| this.firePropertyChanged(DEFAULT_NAME_PROPERTY, old, name); |
| } |
| |
| protected String buildDefaultName() { |
| return this.owner.getDefaultColumnName(); |
| } |
| |
| |
| // ********** column definition ********** |
| |
| public String getColumnDefinition() { |
| return this.columnDefinition; |
| } |
| |
| protected void setColumnDefinition(String columnDefinition) { |
| String old = this.columnDefinition; |
| this.columnDefinition = columnDefinition; |
| this.firePropertyChanged(COLUMN_DEFINITION_PROPERTY, old, columnDefinition); |
| } |
| |
| protected String buildColumnDefinition() { |
| return this.getOverriddenColumn().getColumnDefinition(); |
| } |
| |
| |
| // ********** validation ********** |
| |
| public TextRange getValidationTextRange() { |
| return null; // not sure this column is validated... |
| } |
| |
| |
| // ********** misc ********** |
| |
| public boolean isVirtual() { |
| return true; |
| } |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| String table = this.getTable(); |
| if (table != null) { |
| sb.append(table); |
| sb.append('.'); |
| } |
| sb.append(this.getName()); |
| } |
| } |