| /******************************************************************************* |
| * Copyright (c) 2010, 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.jpa1.context.java; |
| |
| import java.util.ListIterator; |
| import java.util.Vector; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.common.utility.internal.CollectionTools; |
| import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.EmptyListIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.ListIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.LiveCloneListIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.SingleElementListIterable; |
| import org.eclipse.jpt.jpa.core.context.Entity; |
| import org.eclipse.jpt.jpa.core.context.JoinColumn; |
| import org.eclipse.jpt.jpa.core.context.JoinColumnRelationship; |
| import org.eclipse.jpt.jpa.core.context.JoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.Relationship; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.TypeMapping; |
| import org.eclipse.jpt.jpa.core.context.java.JavaAssociationOverrideContainer; |
| import org.eclipse.jpt.jpa.core.context.java.JavaReadOnlyAssociationOverride; |
| import org.eclipse.jpt.jpa.core.context.java.JavaVirtualJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.java.JavaVirtualJoinColumnRelationship; |
| import org.eclipse.jpt.jpa.core.context.java.JavaVirtualJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.java.JavaVirtualOverrideRelationship; |
| import org.eclipse.jpt.jpa.core.internal.context.ContextContainerTools; |
| import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode; |
| |
| public class GenericJavaVirtualOverrideJoinColumnRelationshipStrategy |
| extends AbstractJavaJpaContextNode |
| implements JavaVirtualJoinColumnRelationshipStrategy |
| { |
| protected final Vector<JavaVirtualJoinColumn> specifiedJoinColumns = new Vector<JavaVirtualJoinColumn>(); |
| protected final SpecifiedJoinColumnContainerAdapter specifiedJoinColumnContainerAdapter; |
| protected final ReadOnlyJoinColumn.Owner joinColumnOwner; |
| |
| protected JavaVirtualJoinColumn defaultJoinColumn; |
| |
| |
| public GenericJavaVirtualOverrideJoinColumnRelationshipStrategy(JavaVirtualJoinColumnRelationship parent) { |
| super(parent); |
| this.specifiedJoinColumnContainerAdapter = this.buildSpecifiedJoinColumnContainerAdapter(); |
| this.joinColumnOwner = this.buildJoinColumnOwner(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.updateSpecifiedJoinColumns(); |
| this.updateDefaultJoinColumn(); |
| } |
| |
| |
| // ********** join columns ********** |
| |
| public ListIterator<JavaVirtualJoinColumn> joinColumns() { |
| return this.getJoinColumns().iterator(); |
| } |
| |
| protected ListIterable<JavaVirtualJoinColumn> getJoinColumns() { |
| return this.hasSpecifiedJoinColumns() ? this.getSpecifiedJoinColumns() : this.getDefaultJoinColumns(); |
| } |
| |
| public int joinColumnsSize() { |
| return this.hasSpecifiedJoinColumns() ? this.specifiedJoinColumnsSize() : this.getDefaultJoinColumnsSize(); |
| } |
| |
| |
| // ********** specified join columns ********** |
| |
| public ListIterator<JavaVirtualJoinColumn> specifiedJoinColumns() { |
| return this.getSpecifiedJoinColumns().iterator(); |
| } |
| |
| protected ListIterable<JavaVirtualJoinColumn> getSpecifiedJoinColumns() { |
| return new LiveCloneListIterable<JavaVirtualJoinColumn>(this.specifiedJoinColumns); |
| } |
| |
| public int specifiedJoinColumnsSize() { |
| return this.specifiedJoinColumns.size(); |
| } |
| |
| public boolean hasSpecifiedJoinColumns() { |
| return this.specifiedJoinColumns.size() != 0; |
| } |
| |
| public JavaVirtualJoinColumn getSpecifiedJoinColumn(int index) { |
| return this.specifiedJoinColumns.get(index); |
| } |
| |
| protected void updateSpecifiedJoinColumns() { |
| ContextContainerTools.update(this.specifiedJoinColumnContainerAdapter); |
| } |
| |
| protected Iterable<JoinColumn> getOverriddenSpecifiedJoinColumns() { |
| JoinColumnRelationshipStrategy overriddenStrategy = this.getOverriddenStrategy(); |
| return (overriddenStrategy == null) ? |
| EmptyIterable.<JoinColumn>instance() : |
| CollectionTools.iterable(overriddenStrategy.specifiedJoinColumns()); |
| } |
| |
| protected void moveSpecifiedJoinColumn(int index, JavaVirtualJoinColumn joinColumn) { |
| this.moveItemInList(index, joinColumn, this.specifiedJoinColumns, SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| protected JavaVirtualJoinColumn addSpecifiedJoinColumn(int index, JoinColumn joinColumn) { |
| JavaVirtualJoinColumn virtualJoinColumn = this.buildJoinColumn(joinColumn); |
| this.addItemToList(index, virtualJoinColumn, this.specifiedJoinColumns, SPECIFIED_JOIN_COLUMNS_LIST); |
| return virtualJoinColumn; |
| } |
| |
| protected void removeSpecifiedJoinColumn(JavaVirtualJoinColumn joinColumn) { |
| this.removeItemFromList(joinColumn, this.specifiedJoinColumns, SPECIFIED_JOIN_COLUMNS_LIST); |
| } |
| |
| protected SpecifiedJoinColumnContainerAdapter buildSpecifiedJoinColumnContainerAdapter() { |
| return new SpecifiedJoinColumnContainerAdapter(); |
| } |
| |
| /** |
| * specified join column container adapter |
| */ |
| protected class SpecifiedJoinColumnContainerAdapter |
| implements ContextContainerTools.Adapter<JavaVirtualJoinColumn, JoinColumn> |
| { |
| public Iterable<JavaVirtualJoinColumn> getContextElements() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getSpecifiedJoinColumns(); |
| } |
| public Iterable<JoinColumn> getResourceElements() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getOverriddenSpecifiedJoinColumns(); |
| } |
| public JoinColumn getResourceElement(JavaVirtualJoinColumn contextElement) { |
| return contextElement.getOverriddenColumn(); |
| } |
| public void moveContextElement(int index, JavaVirtualJoinColumn element) { |
| GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.moveSpecifiedJoinColumn(index, element); |
| } |
| public void addContextElement(int index, JoinColumn resourceElement) { |
| GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.addSpecifiedJoinColumn(index, resourceElement); |
| } |
| public void removeContextElement(JavaVirtualJoinColumn element) { |
| GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.removeSpecifiedJoinColumn(element); |
| } |
| } |
| |
| protected ReadOnlyJoinColumn.Owner buildJoinColumnOwner() { |
| return new JoinColumnOwner(); |
| } |
| |
| |
| // ********** default join column ********** |
| |
| public JavaVirtualJoinColumn getDefaultJoinColumn() { |
| return this.defaultJoinColumn; |
| } |
| |
| protected void setDefaultJoinColumn(JavaVirtualJoinColumn joinColumn) { |
| JavaVirtualJoinColumn old = this.defaultJoinColumn; |
| this.defaultJoinColumn = joinColumn; |
| this.firePropertyChanged(DEFAULT_JOIN_COLUMN_PROPERTY, old, joinColumn); |
| } |
| |
| protected ListIterable<JavaVirtualJoinColumn> getDefaultJoinColumns() { |
| return (this.defaultJoinColumn != null) ? |
| new SingleElementListIterable<JavaVirtualJoinColumn>(this.defaultJoinColumn) : |
| EmptyListIterable.<JavaVirtualJoinColumn>instance(); |
| } |
| |
| protected int getDefaultJoinColumnsSize() { |
| return (this.defaultJoinColumn == null) ? 0 : 1; |
| } |
| |
| protected void updateDefaultJoinColumn() { |
| JoinColumn overriddenDefaultJoinColumn = this.getOverriddenDefaultJoinColumn(); |
| if (overriddenDefaultJoinColumn == null) { |
| if (this.defaultJoinColumn != null) { |
| this.setDefaultJoinColumn(null); |
| } |
| } else { |
| if ((this.defaultJoinColumn != null) && (this.defaultJoinColumn.getOverriddenColumn() == overriddenDefaultJoinColumn)) { |
| this.defaultJoinColumn.update(); |
| } else { |
| this.setDefaultJoinColumn(this.buildJoinColumn(overriddenDefaultJoinColumn)); |
| } |
| } |
| } |
| |
| protected JoinColumn getOverriddenDefaultJoinColumn() { |
| JoinColumnRelationshipStrategy overriddenStrategy = this.getOverriddenStrategy(); |
| return (overriddenStrategy == null) ? null : overriddenStrategy.getDefaultJoinColumn(); |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| public JavaVirtualJoinColumnRelationship getParent() { |
| return (JavaVirtualJoinColumnRelationship) super.getParent(); |
| } |
| |
| public JavaVirtualJoinColumnRelationship getRelationship() { |
| return this.getParent(); |
| } |
| |
| protected JoinColumnRelationshipStrategy getOverriddenStrategy() { |
| JoinColumnRelationship relationship = this.getOverriddenJoinColumnRelationship(); |
| return (relationship == null) ? null : relationship.getJoinColumnStrategy(); |
| } |
| |
| protected JoinColumnRelationship getOverriddenJoinColumnRelationship() { |
| Relationship relationship = this.resolveOverriddenRelationship(); |
| return (relationship instanceof JoinColumnRelationship) ? (JoinColumnRelationship) relationship : null; |
| } |
| |
| protected Relationship resolveOverriddenRelationship() { |
| return this.getRelationship().resolveOverriddenRelationship(); |
| } |
| |
| public boolean isTargetForeignKey() { |
| RelationshipMapping relationshipMapping = this.getRelationshipMapping(); |
| return (relationshipMapping != null) && |
| relationshipMapping.getRelationship().isTargetForeignKey(); |
| } |
| |
| public TypeMapping getRelationshipSource() { |
| return this.isTargetForeignKey() ? |
| this.getRelationshipMapping().getResolvedTargetEntity() : |
| this.getAssociationOverrideContainer().getTypeMapping(); |
| } |
| |
| public TypeMapping getRelationshipTarget() { |
| return this.isTargetForeignKey() ? |
| this.getAssociationOverrideContainer().getTypeMapping() : |
| this.getRelationshipMappingTargetEntity(); |
| } |
| |
| protected TypeMapping getRelationshipMappingTargetEntity() { |
| RelationshipMapping mapping = this.getRelationshipMapping(); |
| return (mapping == null) ? null : mapping.getResolvedTargetEntity(); |
| } |
| |
| protected Entity getRelationshipTargetEntity() { |
| TypeMapping target = this.getRelationshipTarget(); |
| return (target instanceof Entity) ? (Entity) target : null; |
| } |
| |
| protected RelationshipMapping getRelationshipMapping() { |
| return this.getAssociationOverride().getMapping(); |
| } |
| |
| protected JavaReadOnlyAssociationOverride getAssociationOverride() { |
| return ((JavaVirtualOverrideRelationship) this.getRelationship()).getAssociationOverride(); |
| } |
| |
| protected JavaAssociationOverrideContainer getAssociationOverrideContainer() { |
| return this.getAssociationOverride().getContainer(); |
| } |
| |
| public String getTableName() { |
| return this.isTargetForeignKey() ? |
| this.getSourceTableName() : |
| this.getAssociationOverrideContainer().getDefaultTableName(); |
| } |
| |
| protected String getSourceTableName() { |
| TypeMapping typeMapping = this.getRelationshipSource(); |
| return (typeMapping == null) ? null : typeMapping.getPrimaryTableName(); |
| } |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| return null; |
| } |
| |
| protected String getAttributeName() { |
| return this.getAssociationOverride().getName(); |
| } |
| |
| protected JavaVirtualJoinColumn buildJoinColumn(JoinColumn overriddenJoinColumn) { |
| return this.getJpaFactory().buildJavaVirtualJoinColumn(this, this.joinColumnOwner, overriddenJoinColumn); |
| } |
| |
| |
| // ********** join column owner ********** |
| |
| protected class JoinColumnOwner |
| implements ReadOnlyJoinColumn.Owner |
| { |
| protected JoinColumnOwner() { |
| super(); |
| } |
| |
| public String getDefaultTableName() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getTableName(); |
| } |
| |
| public String getDefaultColumnName() { |
| //built in MappingTools.buildJoinColumnDefaultName() |
| return null; |
| } |
| |
| public String getAttributeName() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getAttributeName(); |
| } |
| |
| public TypeMapping getTypeMapping() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getRelationshipSource(); |
| } |
| |
| public Entity getRelationshipTarget() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getRelationshipTargetEntity(); |
| } |
| |
| public boolean joinColumnIsDefault(ReadOnlyBaseJoinColumn joinColumn) { |
| return false; |
| } |
| |
| public int joinColumnsSize() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.joinColumnsSize(); |
| } |
| } |
| } |