| /******************************************************************************* |
| * 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.List; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| 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.SingleElementListIterable; |
| import org.eclipse.jpt.common.utility.internal.iterables.SuperListIterableWrapper; |
| import org.eclipse.jpt.jpa.core.context.Entity; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumnRelationship; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyNamedColumn; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyRelationship; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.TypeMapping; |
| import org.eclipse.jpt.jpa.core.context.java.JavaReadOnlyJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.java.JavaVirtualJoinColumn; |
| 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.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.context.TableColumnTextRangeResolver; |
| import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode; |
| import org.eclipse.jpt.jpa.db.Table; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericJavaVirtualOverrideJoinColumnRelationshipStrategy |
| extends AbstractJavaJpaContextNode |
| implements JavaVirtualJoinColumnRelationshipStrategy |
| { |
| protected final ContextListContainer<JavaVirtualJoinColumn, ReadOnlyJoinColumn> specifiedJoinColumnContainer; |
| protected final JavaReadOnlyJoinColumn.Owner joinColumnOwner; |
| |
| protected JavaVirtualJoinColumn defaultJoinColumn; |
| |
| |
| public GenericJavaVirtualOverrideJoinColumnRelationshipStrategy(JavaVirtualOverrideRelationship parent) { |
| super(parent); |
| this.specifiedJoinColumnContainer = this.buildSpecifiedJoinColumnContainer(); |
| this.joinColumnOwner = this.buildJoinColumnOwner(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.updateSpecifiedJoinColumns(); |
| this.updateDefaultJoinColumn(); |
| } |
| |
| |
| // ********** join columns ********** |
| |
| public ListIterable<JavaVirtualJoinColumn> getJoinColumns() { |
| return this.hasSpecifiedJoinColumns() ? this.getSpecifiedJoinColumns() : this.getDefaultJoinColumns(); |
| } |
| |
| public int getJoinColumnsSize() { |
| return this.hasSpecifiedJoinColumns() ? this.getSpecifiedJoinColumnsSize() : this.getDefaultJoinColumnsSize(); |
| } |
| |
| |
| // ********** specified join columns ********** |
| |
| public ListIterable<JavaVirtualJoinColumn> getSpecifiedJoinColumns() { |
| return this.specifiedJoinColumnContainer.getContextElements(); |
| } |
| |
| public int getSpecifiedJoinColumnsSize() { |
| return this.specifiedJoinColumnContainer.getContextElementsSize(); |
| } |
| |
| public boolean hasSpecifiedJoinColumns() { |
| return this.getSpecifiedJoinColumnsSize() != 0; |
| } |
| |
| public JavaVirtualJoinColumn getSpecifiedJoinColumn(int index) { |
| return this.specifiedJoinColumnContainer.getContextElement(index); |
| } |
| |
| protected void updateSpecifiedJoinColumns() { |
| this.specifiedJoinColumnContainer.update(); |
| } |
| |
| protected ListIterable<ReadOnlyJoinColumn> getOverriddenSpecifiedJoinColumns() { |
| ReadOnlyJoinColumnRelationshipStrategy overriddenStrategy = this.getOverriddenStrategy(); |
| return (overriddenStrategy == null) ? |
| EmptyListIterable.<ReadOnlyJoinColumn>instance() : |
| new SuperListIterableWrapper<ReadOnlyJoinColumn>(overriddenStrategy.getSpecifiedJoinColumns()); |
| } |
| |
| /** |
| * specified join column container |
| */ |
| protected class SpecifiedJoinColumnContainer |
| extends ContextListContainer<JavaVirtualJoinColumn, ReadOnlyJoinColumn> |
| { |
| @Override |
| protected String getContextElementsPropertyName() { |
| return SPECIFIED_JOIN_COLUMNS_LIST; |
| } |
| @Override |
| protected JavaVirtualJoinColumn buildContextElement(ReadOnlyJoinColumn resourceElement) { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.buildJoinColumn(resourceElement); |
| } |
| @Override |
| protected ListIterable<ReadOnlyJoinColumn> getResourceElements() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getOverriddenSpecifiedJoinColumns(); |
| } |
| @Override |
| protected ReadOnlyJoinColumn getResourceElement(JavaVirtualJoinColumn contextElement) { |
| return contextElement.getOverriddenColumn(); |
| } |
| } |
| |
| protected JavaReadOnlyJoinColumn.Owner buildJoinColumnOwner() { |
| return new JoinColumnOwner(); |
| } |
| |
| protected ContextListContainer<JavaVirtualJoinColumn, ReadOnlyJoinColumn> buildSpecifiedJoinColumnContainer(){ |
| return new SpecifiedJoinColumnContainer(); |
| } |
| |
| |
| // ********** 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() { |
| ReadOnlyJoinColumn 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 ReadOnlyJoinColumn getOverriddenDefaultJoinColumn() { |
| ReadOnlyJoinColumnRelationshipStrategy overriddenStrategy = this.getOverriddenStrategy(); |
| return (overriddenStrategy == null) ? null : overriddenStrategy.getDefaultJoinColumn(); |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| public JavaVirtualOverrideRelationship getParent() { |
| return (JavaVirtualOverrideRelationship) super.getParent(); |
| } |
| |
| public JavaVirtualOverrideRelationship getRelationship() { |
| return this.getParent(); |
| } |
| |
| protected ReadOnlyJoinColumnRelationshipStrategy getOverriddenStrategy() { |
| ReadOnlyJoinColumnRelationship relationship = this.getOverriddenJoinColumnRelationship(); |
| return (relationship == null) ? null : relationship.getJoinColumnStrategy(); |
| } |
| |
| protected ReadOnlyJoinColumnRelationship getOverriddenJoinColumnRelationship() { |
| ReadOnlyRelationship relationship = this.resolveOverriddenRelationship(); |
| return (relationship instanceof ReadOnlyJoinColumnRelationship) ? (ReadOnlyJoinColumnRelationship) relationship : null; |
| } |
| |
| protected ReadOnlyRelationship resolveOverriddenRelationship() { |
| return this.getRelationship().resolveOverriddenRelationship(); |
| } |
| |
| public boolean isTargetForeignKey() { |
| RelationshipMapping relationshipMapping = this.getRelationshipMapping(); |
| return (relationshipMapping != null) && |
| relationshipMapping.getRelationship().isTargetForeignKey(); |
| } |
| |
| public TypeMapping getRelationshipSource() { |
| return this.isTargetForeignKey() ? |
| // relationship mapping is not null |
| this.getRelationshipMapping().getResolvedTargetEntity() : |
| this.getRelationship().getTypeMapping(); |
| } |
| |
| public TypeMapping getRelationshipTarget() { |
| return this.isTargetForeignKey() ? |
| this.getRelationship().getTypeMapping() : |
| // relationship mapping may still be null |
| 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.getRelationship().getMapping(); |
| } |
| |
| public String getTableName() { |
| return this.isTargetForeignKey() ? |
| this.getTargetDefaultTableName() : |
| this.getRelationship().getDefaultTableName(); |
| } |
| |
| protected String getTargetDefaultTableName() { |
| TypeMapping typeMapping = this.getRelationshipMapping().getResolvedTargetEntity(); |
| return (typeMapping == null) ? null : typeMapping.getPrimaryTableName(); |
| } |
| |
| protected Table resolveDbTable(String tableName) { |
| return this.isTargetForeignKey() ? |
| this.resolveTargetDbTable(tableName) : |
| this.getRelationship().resolveDbTable(tableName); |
| } |
| |
| protected Table resolveTargetDbTable(String tableName) { |
| TypeMapping typeMapping = this.getRelationshipMapping().getResolvedTargetEntity(); |
| return (typeMapping == null) ? null : typeMapping.resolveDbTable(tableName); |
| } |
| |
| protected boolean tableNameIsInvalid(String tableName) { |
| return this.isTargetForeignKey() ? |
| this.targetTableNameIsInvalid(tableName) : |
| this.getRelationship().tableNameIsInvalid(tableName); |
| } |
| |
| protected boolean targetTableNameIsInvalid(String tableName) { |
| TypeMapping typeMapping = this.getRelationshipMapping().getResolvedTargetEntity(); |
| return (typeMapping != null) && typeMapping.tableNameIsInvalid(tableName); |
| } |
| |
| protected Table getReferencedColumnDbTable() { |
| TypeMapping relationshipTarget = this.getRelationshipTarget(); |
| return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable(); |
| } |
| |
| protected Iterable<String> getCandidateTableNames() { |
| return this.isTargetForeignKey() ? |
| this.getTargetCandidateTableNames() : |
| this.getRelationship().getCandidateTableNames(); |
| } |
| |
| protected Iterable<String> getTargetCandidateTableNames() { |
| TypeMapping typeMapping = this.getRelationshipMapping().getResolvedTargetEntity(); |
| return (typeMapping != null) ? typeMapping.getAllAssociatedTableNames() : EmptyIterable.<String>instance(); |
| } |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| return this.getRelationship().getValidationTextRange(astRoot); |
| } |
| |
| protected String getAttributeName() { |
| return this.getRelationship().getAttributeName(); |
| } |
| |
| protected JavaVirtualJoinColumn buildJoinColumn(ReadOnlyJoinColumn overriddenJoinColumn) { |
| return this.getJpaFactory().buildJavaVirtualJoinColumn(this, this.joinColumnOwner, overriddenJoinColumn); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| for (JavaVirtualJoinColumn joinColumn : this.getJoinColumns()) { |
| joinColumn.validate(messages, reporter, astRoot); |
| } |
| } |
| |
| |
| // ********** join column owner ********** |
| |
| protected class JoinColumnOwner |
| implements JavaReadOnlyJoinColumn.Owner |
| { |
| protected JoinColumnOwner() { |
| super(); |
| } |
| |
| public String getDefaultTableName() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getTableName(); |
| } |
| |
| public String getDefaultColumnName(ReadOnlyNamedColumn column) { |
| return MappingTools.buildJoinColumnDefaultName((ReadOnlyJoinColumn) column, this); |
| } |
| |
| public String getAttributeName() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getAttributeName(); |
| } |
| |
| public Entity getRelationshipTarget() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getRelationshipTargetEntity(); |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.tableNameIsInvalid(tableName); |
| } |
| |
| public Iterable<String> getCandidateTableNames() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getCandidateTableNames(); |
| } |
| |
| public Table resolveDbTable(String tableName) { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.resolveDbTable(tableName); |
| } |
| |
| public Table getReferencedColumnDbTable() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getReferencedColumnDbTable(); |
| } |
| |
| public boolean joinColumnIsDefault(ReadOnlyBaseJoinColumn joinColumn) { |
| return false; |
| } |
| |
| public int getJoinColumnsSize() { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getJoinColumnsSize(); |
| } |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getValidationTextRange(astRoot); |
| } |
| |
| public JptValidator buildColumnValidator(ReadOnlyNamedColumn column, NamedColumnTextRangeResolver textRangeResolver) { |
| return GenericJavaVirtualOverrideJoinColumnRelationshipStrategy.this.getRelationship().buildColumnValidator((ReadOnlyBaseColumn) column, this, (TableColumnTextRangeResolver) textRangeResolver); |
| } |
| } |
| } |