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/*******************************************************************************
* Copyright (c) 2009, 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.jpa2.context.java;
import java.util.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.Tools;
import org.eclipse.jpt.common.utility.internal.iterators.EmptyIterator;
import org.eclipse.jpt.jpa.core.context.Entity;
import org.eclipse.jpt.jpa.core.context.JoinColumn;
import org.eclipse.jpt.jpa.core.context.NamedColumn;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaJoinColumn;
import org.eclipse.jpt.jpa.core.internal.context.JoinColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.CollectionTableTableDescriptionProvider;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.JoinColumnValidator;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJavaReferenceTable;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaCollectionTable2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaElementCollectionMapping2_0;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.CollectionTable2_0Annotation;
/**
* Java collection table
*/
public class GenericJavaCollectionTable2_0
extends GenericJavaReferenceTable<CollectionTable2_0Annotation>
implements JavaCollectionTable2_0
{
public GenericJavaCollectionTable2_0(JavaElementCollectionMapping2_0 parent, Owner owner) {
super(parent, owner);
}
@Override
protected JavaJoinColumn.Owner buildJoinColumnOwner() {
return new JoinColumnOwner();
}
// ********** table annotation **********
@Override
public CollectionTable2_0Annotation getTableAnnotation() {
return (CollectionTable2_0Annotation) this.getElementCollectionMapping().getResourcePersistentAttribute().getNonNullAnnotation(CollectionTable2_0Annotation.ANNOTATION_NAME);
}
@Override
protected void removeTableAnnotation() {
this.getElementCollectionMapping().getResourcePersistentAttribute().removeAnnotation(CollectionTable2_0Annotation.ANNOTATION_NAME);
}
// ********** misc **********
public PersistentAttribute getPersistentAttribute() {
return this.getElementCollectionMapping().getPersistentAttribute();
}
@Override
public JavaElementCollectionMapping2_0 getParent() {
return (JavaElementCollectionMapping2_0) super.getParent();
}
protected JavaElementCollectionMapping2_0 getElementCollectionMapping() {
return this.getParent();
}
@Override
protected String buildDefaultName() {
return MappingTools.buildCollectionTableDefaultName(this.getElementCollectionMapping());
}
// ********** validation **********
public boolean validatesAgainstDatabase() {
return this.getElementCollectionMapping().validatesAgainstDatabase();
}
// ********** join column owner **********
/**
* owner for "back-pointer" join columns;
* these point at the source/owning entity
*/
protected class JoinColumnOwner
implements JavaJoinColumn.Owner
{
protected JoinColumnOwner() {
super();
}
public TypeMapping getTypeMapping() {
return GenericJavaCollectionTable2_0.this.getElementCollectionMapping().getTypeMapping();
}
public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
return Tools.valuesAreEqual(GenericJavaCollectionTable2_0.this.getName(), tableName) ?
GenericJavaCollectionTable2_0.this.getDbTable() :
null;
}
public String getDefaultColumnName() {
//built in MappingTools.buildJoinColumnDefaultName()
return null;
}
/**
* by default, the join column is, obviously, in the collection table;
* not sure whether it can be anywhere else...
*/
public String getDefaultTableName() {
return GenericJavaCollectionTable2_0.this.getName();
}
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return GenericJavaCollectionTable2_0.this.getValidationTextRange(astRoot);
}
public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() {
return this.getTypeMapping().getPrimaryDbTable();
}
public boolean joinColumnIsDefault(ReadOnlyBaseJoinColumn joinColumn) {
return GenericJavaCollectionTable2_0.this.getDefaultJoinColumn() == joinColumn;
}
/**
* If there is a specified table name it needs to be the same
* the default table name. The table is always the collection table.
*/
public boolean tableNameIsInvalid(String tableName) {
return ! StringTools.stringsAreEqual(this.getDefaultTableName(), tableName);
}
/**
* the join column can only be on the collection table itself
*/
public Iterator<String> candidateTableNames() {
return EmptyIterator.instance();
}
public Entity getRelationshipTarget() {
return GenericJavaCollectionTable2_0.this.getElementCollectionMapping().getEntity();
}
public String getAttributeName() {
return null; //I *think* this is correct
//return GenericJavaCollectionTable2_0.this.getParent().getName();
}
public PersistentAttribute getPersistentAttribute() {
return GenericJavaCollectionTable2_0.this.getElementCollectionMapping().getPersistentAttribute();
}
public int joinColumnsSize() {
return GenericJavaCollectionTable2_0.this.joinColumnsSize();
}
public JptValidator buildColumnValidator(NamedColumn column, NamedColumnTextRangeResolver textRangeResolver) {
return new JoinColumnValidator((JoinColumn) column, this, (JoinColumnTextRangeResolver) textRangeResolver, new CollectionTableTableDescriptionProvider());
}
}
}
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