| /******************************************************************************* |
| * Copyright (c) 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 java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.internal.ITextRange; |
| import org.eclipse.jpt.core.internal.context.base.IAbstractJoinColumn; |
| import org.eclipse.jpt.core.internal.context.base.IAssociationOverride; |
| import org.eclipse.jpt.core.internal.context.base.IEntity; |
| import org.eclipse.jpt.core.internal.context.base.IJoinColumn; |
| import org.eclipse.jpt.core.internal.context.base.IRelationshipMapping; |
| import org.eclipse.jpt.core.internal.context.base.ITypeMapping; |
| import org.eclipse.jpt.core.internal.resource.java.AssociationOverride; |
| import org.eclipse.jpt.core.internal.resource.java.JoinColumn; |
| import org.eclipse.jpt.db.internal.Table; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.Filter; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| |
| public class JavaAssociationOverride extends JavaOverride<AssociationOverride> |
| implements IJavaAssociationOverride |
| { |
| |
| protected final List<IJavaJoinColumn> specifiedJoinColumns; |
| |
| protected final List<IJavaJoinColumn> defaultJoinColumns; |
| |
| |
| public JavaAssociationOverride(IJavaJpaContextNode parent, Owner owner) { |
| super(parent, owner); |
| this.specifiedJoinColumns = new ArrayList<IJavaJoinColumn>(); |
| this.defaultJoinColumns = new ArrayList<IJavaJoinColumn>(); |
| } |
| |
| public ListIterator<IJavaJoinColumn> joinColumns() { |
| return this.specifiedJoinColumns.isEmpty() ? this.defaultJoinColumns() : this.specifiedJoinColumns(); |
| } |
| |
| public ListIterator<IJavaJoinColumn> defaultJoinColumns() { |
| return new CloneListIterator<IJavaJoinColumn>(this.defaultJoinColumns); |
| } |
| |
| public ListIterator<IJavaJoinColumn> specifiedJoinColumns() { |
| return new CloneListIterator<IJavaJoinColumn>(this.specifiedJoinColumns); |
| } |
| |
| public int specifiedJoinColumnsSize() { |
| return this.specifiedJoinColumns.size(); |
| } |
| |
| public IJavaJoinColumn addSpecifiedJoinColumn(int index) { |
| IJavaJoinColumn joinColumn = jpaFactory().createJavaJoinColumn(this, createJoinColumnOwner()); |
| this.specifiedJoinColumns.add(index, joinColumn); |
| this.overrideResource.addJoinColumn(index); |
| this.fireItemAdded(IAssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST, index, joinColumn); |
| return joinColumn; |
| } |
| |
| protected IJoinColumn.Owner createJoinColumnOwner() { |
| return new JoinColumnOwner(); |
| } |
| |
| protected void addSpecifiedJoinColumn(int index, IJavaJoinColumn joinColumn) { |
| addItemToList(index, joinColumn, this.specifiedJoinColumns, IAssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void removeSpecifiedJoinColumn(int index) { |
| IJavaJoinColumn removedJoinColumn = this.specifiedJoinColumns.remove(index); |
| this.overrideResource.removeJoinColumn(index); |
| fireItemRemoved(IEntity.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, removedJoinColumn); |
| } |
| |
| protected void removeSpecifiedJoinColumn(IJavaJoinColumn joinColumn) { |
| removeItemFromList(joinColumn, this.specifiedJoinColumns, IAssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public void moveSpecifiedJoinColumn(int targetIndex, int sourceIndex) { |
| this.overrideResource.moveJoinColumn(targetIndex, sourceIndex); |
| moveItemInList(targetIndex, sourceIndex, this.specifiedJoinColumns, IAssociationOverride.SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| public boolean containsSpecifiedJoinColumns() { |
| return !this.specifiedJoinColumns.isEmpty(); |
| } |
| |
| |
| @Override |
| protected Iterator<String> candidateNames() { |
| return this.owner().typeMapping().allOverridableAssociationNames(); |
| } |
| |
| @Override |
| public Iterator<String> candidateValuesFor(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.candidateValuesFor(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| for (IJavaJoinColumn column : CollectionTools.iterable(this.joinColumns())) { |
| result = column.candidateValuesFor(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void initializeFromResource(AssociationOverride associationOverride) { |
| super.initializeFromResource(associationOverride); |
| this.name = associationOverride.getName(); |
| initializeSpecifiedJoinColumns(associationOverride); |
| } |
| |
| protected void initializeSpecifiedJoinColumns(AssociationOverride associationOverride) { |
| ListIterator<JoinColumn> annotations = associationOverride.joinColumns(); |
| |
| while(annotations.hasNext()) { |
| this.specifiedJoinColumns.add(createJoinColumn(annotations.next())); |
| } |
| } |
| |
| @Override |
| public void update(AssociationOverride associationOverride) { |
| super.update(associationOverride); |
| this.setName(associationOverride.getName()); |
| updateSpecifiedJoinColumns(associationOverride); |
| } |
| |
| protected void updateSpecifiedJoinColumns(AssociationOverride associationOverride) { |
| ListIterator<IJavaJoinColumn> joinColumns = specifiedJoinColumns(); |
| ListIterator<JoinColumn> resourceJoinColumns = associationOverride.joinColumns(); |
| |
| while (joinColumns.hasNext()) { |
| IJavaJoinColumn joinColumn = joinColumns.next(); |
| if (resourceJoinColumns.hasNext()) { |
| joinColumn.update(resourceJoinColumns.next()); |
| } |
| else { |
| removeSpecifiedJoinColumn(joinColumn); |
| } |
| } |
| |
| while (resourceJoinColumns.hasNext()) { |
| addSpecifiedJoinColumn(specifiedJoinColumnsSize(), createJoinColumn(resourceJoinColumns.next())); |
| } |
| } |
| |
| |
| protected IJavaJoinColumn createJoinColumn(JoinColumn joinColumnResource) { |
| IJavaJoinColumn joinColumn = jpaFactory().createJavaJoinColumn(this, createJoinColumnOwner()); |
| joinColumn.initializeFromResource(joinColumnResource); |
| return joinColumn; |
| } |
| |
| public class JoinColumnOwner implements IJoinColumn.Owner |
| { |
| |
| public JoinColumnOwner() { |
| super(); |
| } |
| |
| /** |
| * by default, the join column is in the type mapping's primary table |
| */ |
| public String defaultTableName() { |
| return JavaAssociationOverride.this.owner.typeMapping().getTableName(); |
| } |
| |
| public String defaultColumnName() { |
| return null; |
| } |
| |
| public IEntity targetEntity() { |
| return relationshipMapping().getResolvedTargetEntity(); |
| } |
| |
| public String attributeName() { |
| return JavaAssociationOverride.this.getName(); |
| } |
| |
| public IRelationshipMapping relationshipMapping() { |
| //TODO this isn't going to work, classCastException |
| return (IRelationshipMapping) JavaAssociationOverride.this.owner.columnMapping(JavaAssociationOverride.this.getName()); |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| return typeMapping().tableNameIsInvalid(tableName); |
| } |
| |
| /** |
| * the join column can be on a secondary table |
| */ |
| public boolean tableIsAllowed() { |
| return true; |
| } |
| |
| public ITextRange validationTextRange(CompilationUnit astRoot) { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| public ITypeMapping typeMapping() { |
| return JavaAssociationOverride.this.owner.typeMapping(); |
| } |
| |
| public Table dbTable(String tableName) { |
| return typeMapping().dbTable(tableName); |
| } |
| |
| public Table dbReferencedColumnTable() { |
| IEntity targetEntity = targetEntity(); |
| return (targetEntity == null) ? null : targetEntity().primaryDbTable(); |
| } |
| |
| public boolean isVirtual(IAbstractJoinColumn joinColumn) { |
| return JavaAssociationOverride.this.defaultJoinColumns.contains(joinColumn); |
| } |
| |
| } |
| } |