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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.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
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.context.java.JavaNamedColumn;
import org.eclipse.jpt.core.resource.java.DiscriminatorColumnAnnotation;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember;
import org.eclipse.jpt.core.utility.TextRange;
public class GenericJavaDiscriminatorColumn extends AbstractJavaNamedColumn<DiscriminatorColumnAnnotation>
implements JavaDiscriminatorColumn
{
protected DiscriminatorType specifiedDiscriminatorType;
protected Integer specifiedLength;
protected JavaResourcePersistentMember persistenceResource;
public GenericJavaDiscriminatorColumn(JavaEntity parent, JavaNamedColumn.Owner owner) {
super(parent, owner);
}
public void initialize(JavaResourcePersistentMember persistentResource) {
this.persistenceResource = persistentResource;
this.initialize(this.getResourceColumn());
}
@Override
public void initialize(DiscriminatorColumnAnnotation column) {
super.initialize(column);
this.specifiedDiscriminatorType = this.discriminatorType(column);
this.specifiedLength = this.length(column);
}
protected JavaEntity getJavaEntity() {
return (JavaEntity) super.getParent();
}
@Override
protected DiscriminatorColumnAnnotation getResourceColumn() {
return (DiscriminatorColumnAnnotation) this.persistenceResource.getNonNullSupportingAnnotation(DiscriminatorColumnAnnotation.ANNOTATION_NAME);
}
public DiscriminatorType getDiscriminatorType() {
return (this.getSpecifiedDiscriminatorType() == null) ? this.getDefaultDiscriminatorType() : this.getSpecifiedDiscriminatorType();
}
public DiscriminatorType getDefaultDiscriminatorType() {
return DiscriminatorColumn.DEFAULT_DISCRIMINATOR_TYPE;
}
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 DiscriminatorColumn.DEFAULT_LENGTH;
}
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);
}
@Override
protected String getTableName() {
return getJavaEntity().getPrimaryTableName();
}
public TextRange getValidationTextRange(CompilationUnit astRoot) {
TextRange textRange = getResourceColumn().getTextRange(astRoot);
return (textRange != null) ? textRange : this.getOwner().getValidationTextRange(astRoot);
}
// ********** java annotations -> persistence model **********
public void update(JavaResourcePersistentMember persistentResource) {
this.persistenceResource = persistentResource;
this.update(this.getResourceColumn());
}
@Override
public void update(DiscriminatorColumnAnnotation discriminatorColumn) {
super.update(discriminatorColumn);
this.setSpecifiedDiscriminatorType_(this.discriminatorType(discriminatorColumn));
this.setSpecifiedLength_(this.length(discriminatorColumn));
}
protected DiscriminatorType discriminatorType(DiscriminatorColumnAnnotation discriminatorColumn) {
return DiscriminatorType.fromJavaResourceModel(discriminatorColumn.getDiscriminatorType());
}
protected Integer length(DiscriminatorColumnAnnotation discriminatorColumn) {
return discriminatorColumn.getLength();
}
}
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