| /******************************************************************************* |
| * 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.java; |
| |
| import org.eclipse.jpt.core.context.DiscriminatorColumn; |
| import org.eclipse.jpt.core.context.DiscriminatorType; |
| import org.eclipse.jpt.core.context.java.JavaDiscriminatorColumn; |
| import org.eclipse.jpt.core.context.java.JavaEntity; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaNamedColumn; |
| import org.eclipse.jpt.core.resource.java.DiscriminatorColumnAnnotation; |
| |
| public class GenericJavaDiscriminatorColumn extends AbstractJavaNamedColumn<DiscriminatorColumnAnnotation> |
| implements JavaDiscriminatorColumn |
| { |
| |
| protected DiscriminatorType specifiedDiscriminatorType; |
| |
| protected DiscriminatorType defaultDiscriminatorType; |
| |
| protected Integer specifiedLength; |
| |
| protected int defaultLength; |
| |
| public GenericJavaDiscriminatorColumn(JavaEntity parent, JavaDiscriminatorColumn.Owner owner) { |
| super(parent, owner); |
| } |
| |
| @Override |
| public void initialize(DiscriminatorColumnAnnotation column) { |
| super.initialize(column); |
| this.defaultDiscriminatorType = this.buildDefaultDiscriminatorType(); |
| this.defaultLength = this.buildDefaultLength(); |
| this.specifiedDiscriminatorType = this.getResourceDiscriminatorType(); |
| this.specifiedLength = this.getResourceLength(); |
| } |
| |
| @Override |
| public JavaDiscriminatorColumn.Owner getOwner() { |
| return (JavaDiscriminatorColumn.Owner) super.getOwner(); |
| } |
| |
| public boolean isResourceSpecified() { |
| return getResourceColumn().isSpecified(); |
| } |
| |
| public DiscriminatorType getDiscriminatorType() { |
| return (this.getSpecifiedDiscriminatorType() == null) ? this.getDefaultDiscriminatorType() : this.getSpecifiedDiscriminatorType(); |
| } |
| |
| public DiscriminatorType getDefaultDiscriminatorType() { |
| return this.defaultDiscriminatorType; |
| } |
| |
| protected void setDefaultDiscriminatorType(DiscriminatorType discriminatorType) { |
| DiscriminatorType old = this.defaultDiscriminatorType; |
| this.defaultDiscriminatorType = discriminatorType; |
| firePropertyChanged(DEFAULT_DISCRIMINATOR_TYPE_PROPERTY, old, discriminatorType); |
| } |
| |
| public DiscriminatorType getSpecifiedDiscriminatorType() { |
| return this.specifiedDiscriminatorType; |
| } |
| |
| public void setSpecifiedDiscriminatorType(DiscriminatorType newSpecifiedDiscriminatorType) { |
| DiscriminatorType oldDiscriminatorType = this.specifiedDiscriminatorType; |
| this.specifiedDiscriminatorType = newSpecifiedDiscriminatorType; |
| getResourceColumn().setDiscriminatorType(DiscriminatorType.toJavaResourceModel(newSpecifiedDiscriminatorType)); |
| firePropertyChanged(DiscriminatorColumn.SPECIFIED_DISCRIMINATOR_TYPE_PROPERTY, oldDiscriminatorType, newSpecifiedDiscriminatorType); |
| } |
| |
| /** |
| * internal setter used only for updating from the resource model. |
| * There were problems with InvalidThreadAccess exceptions in the UI |
| * when you set a value from the UI and the annotation doesn't exist yet. |
| * Adding the annotation causes an update to occur and then the exception. |
| */ |
| protected void setSpecifiedDiscriminatorType_(DiscriminatorType newSpecifiedDiscriminatorType) { |
| DiscriminatorType oldDiscriminatorType = this.specifiedDiscriminatorType; |
| this.specifiedDiscriminatorType = newSpecifiedDiscriminatorType; |
| firePropertyChanged(DiscriminatorColumn.SPECIFIED_DISCRIMINATOR_TYPE_PROPERTY, oldDiscriminatorType, newSpecifiedDiscriminatorType); |
| } |
| |
| public int getLength() { |
| return (this.getSpecifiedLength() == null) ? this.getDefaultLength() : this.getSpecifiedLength().intValue(); |
| } |
| |
| public int getDefaultLength() { |
| return this.defaultLength; |
| } |
| |
| protected void setDefaultLength(int defaultLength) { |
| int old = this.defaultLength; |
| this.defaultLength = defaultLength; |
| firePropertyChanged(DEFAULT_LENGTH_PROPERTY, old, defaultLength); |
| } |
| |
| public Integer getSpecifiedLength() { |
| return this.specifiedLength; |
| } |
| |
| public void setSpecifiedLength(Integer newSpecifiedLength) { |
| Integer oldSpecifiedLength = this.specifiedLength; |
| this.specifiedLength = newSpecifiedLength; |
| getResourceColumn().setLength(newSpecifiedLength); |
| firePropertyChanged(DiscriminatorColumn.SPECIFIED_LENGTH_PROPERTY, oldSpecifiedLength, newSpecifiedLength); |
| } |
| |
| /** |
| * internal setter used only for updating from the resource model. |
| * There were problems with InvalidThreadAccess exceptions in the UI |
| * when you set a value from the UI and the annotation doesn't exist yet. |
| * Adding the annotation causes an update to occur and then the exception. |
| */ |
| protected void setSpecifiedLength_(Integer newSpecifiedLength) { |
| Integer oldSpecifiedLength = this.specifiedLength; |
| this.specifiedLength = newSpecifiedLength; |
| firePropertyChanged(DiscriminatorColumn.SPECIFIED_LENGTH_PROPERTY, oldSpecifiedLength, newSpecifiedLength); |
| } |
| |
| |
| // ********** java annotations -> persistence model ********** |
| |
| @Override |
| public void update(DiscriminatorColumnAnnotation discriminatorColumn) { |
| //don't call super because postUpdate() handles updating the default column name |
| this.resourceColumn = discriminatorColumn; |
| this.setSpecifiedName_(discriminatorColumn.getName()); |
| this.setColumnDefinition_(discriminatorColumn.getColumnDefinition()); |
| this.setSpecifiedDiscriminatorType_(this.getResourceDiscriminatorType()); |
| this.setSpecifiedLength_(this.getResourceLength()); |
| } |
| |
| @Override |
| /** |
| * Using postUpdate since these defaults are dependent on the entity hierarchy |
| */ |
| public void postUpdate() { |
| super.postUpdate(); |
| this.setDefaultName(this.buildDefaultName()); |
| this.setDefaultDiscriminatorType(this.buildDefaultDiscriminatorType()); |
| this.setDefaultLength(this.buildDefaultLength()); |
| } |
| |
| protected DiscriminatorType getResourceDiscriminatorType() { |
| return DiscriminatorType.fromJavaResourceModel(getResourceColumn().getDiscriminatorType()); |
| } |
| |
| protected Integer getResourceLength() { |
| return getResourceColumn().getLength(); |
| } |
| |
| @Override |
| public JavaEntity getParent() { |
| return (JavaEntity) super.getParent(); |
| } |
| |
| protected int buildDefaultLength() { |
| return this.getOwner().getDefaultLength(); |
| } |
| |
| protected DiscriminatorType buildDefaultDiscriminatorType() { |
| return this.getOwner().getDefaultDiscriminatorType(); |
| } |
| } |