| /******************************************************************************* |
| * Copyright (c) 2009, 2011 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(); |
| } |
| |
| protected 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(this.getPersistentAttribute(), (JoinColumn) column, this, (JoinColumnTextRangeResolver) textRangeResolver, new CollectionTableTableDescriptionProvider()); |
| } |
| } |
| } |