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/*******************************************************************************
* Copyright (c) 2007 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.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.ITextRange;
import org.eclipse.jpt.core.internal.context.base.DiscriminatorType;
import org.eclipse.jpt.core.internal.context.base.IDiscriminatorColumn;
import org.eclipse.jpt.core.internal.context.base.INamedColumn;
import org.eclipse.jpt.core.internal.resource.java.DiscriminatorColumn;
import org.eclipse.jpt.core.internal.resource.java.JavaPersistentResource;
public class JavaDiscriminatorColumn extends JavaNamedColumn<DiscriminatorColumn>
implements IJavaDiscriminatorColumn
{
protected DiscriminatorType specifiedDiscriminatorType;
protected Integer specifiedLength;
protected JavaPersistentResource persistenceResource;
public JavaDiscriminatorColumn(IJavaEntity parent, INamedColumn.Owner owner) {
super(parent, owner);
}
public void initializeFromResource(JavaPersistentResource persistentResource) {
this.persistenceResource = persistentResource;
this.initializeFromResource(this.columnResource());
}
@Override
public void initializeFromResource(DiscriminatorColumn column) {
super.initializeFromResource(column);
this.specifiedDiscriminatorType = this.discriminatorType(column);
this.specifiedLength = this.length(column);
}
protected IJavaEntity javaEntity() {
return (IJavaEntity) super.parent();
}
@Override
protected DiscriminatorColumn columnResource() {
return (DiscriminatorColumn) this.persistenceResource.nonNullAnnotation(DiscriminatorColumn.ANNOTATION_NAME);
}
public DiscriminatorType getDiscriminatorType() {
return (this.getSpecifiedDiscriminatorType() == null) ? this.getDefaultDiscriminatorType() : this.getSpecifiedDiscriminatorType();
}
public DiscriminatorType getDefaultDiscriminatorType() {
return IDiscriminatorColumn.DEFAULT_DISCRIMINATOR_TYPE;
}
public DiscriminatorType getSpecifiedDiscriminatorType() {
return this.specifiedDiscriminatorType;
}
public void setSpecifiedDiscriminatorType(DiscriminatorType newSpecifiedDiscriminatorType) {
DiscriminatorType oldDiscriminatorType = this.specifiedDiscriminatorType;
this.specifiedDiscriminatorType = newSpecifiedDiscriminatorType;
columnResource().setDiscriminatorType(DiscriminatorType.toJavaResourceModel(newSpecifiedDiscriminatorType));
firePropertyChanged(IDiscriminatorColumn.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(IDiscriminatorColumn.SPECIFIED_DISCRIMINATOR_TYPE_PROPERTY, oldDiscriminatorType, newSpecifiedDiscriminatorType);
}
public Integer getLength() {
return (this.getSpecifiedLength() == null) ? this.getDefaultLength() : this.getSpecifiedLength();
}
public Integer getDefaultLength() {
return IDiscriminatorColumn.DEFAULT_LENGTH;
}
public Integer getSpecifiedLength() {
return this.specifiedLength;
}
public void setSpecifiedLength(Integer newSpecifiedLength) {
Integer oldSpecifiedLength = this.specifiedLength;
this.specifiedLength = newSpecifiedLength;
columnResource().setLength(newSpecifiedLength);
firePropertyChanged(IDiscriminatorColumn.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(IDiscriminatorColumn.SPECIFIED_LENGTH_PROPERTY, oldSpecifiedLength, newSpecifiedLength);
}
@Override
protected String tableName() {
return javaEntity().getTableName();
}
public ITextRange validationTextRange(CompilationUnit astRoot) {
ITextRange textRange = columnResource().textRange(astRoot);
return (textRange != null) ? textRange : this.owner().validationTextRange(astRoot);
}
// ********** java annotations -> persistence model **********
public void update(JavaPersistentResource persistentResource) {
this.persistenceResource = persistentResource;
this.update(this.columnResource());
}
@Override
public void update(DiscriminatorColumn discriminatorColumn) {
super.update(discriminatorColumn);
this.setSpecifiedDiscriminatorType_(this.discriminatorType(discriminatorColumn));
this.setSpecifiedLength_(this.length(discriminatorColumn));
}
protected DiscriminatorType discriminatorType(DiscriminatorColumn discriminatorColumn) {
return DiscriminatorType.fromJavaResourceModel(discriminatorColumn.getDiscriminatorType());
}
protected Integer length(DiscriminatorColumn discriminatorColumn) {
return discriminatorColumn.getLength();
}
}
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