| /******************************************************************************* |
| * Copyright (c) 2007, 2016 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0, which accompanies this distribution |
| * and is available at https://www.eclipse.org/legal/epl-2.0/. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.jpa1.context.orm; |
| |
| import java.util.List; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.common.utility.internal.ObjectTools; |
| import org.eclipse.jpt.common.utility.internal.iterable.EmptyIterable; |
| import org.eclipse.jpt.common.utility.internal.iterable.EmptyListIterable; |
| import org.eclipse.jpt.common.utility.internal.iterable.IterableTools; |
| import org.eclipse.jpt.common.utility.internal.iterable.SingleElementListIterable; |
| import org.eclipse.jpt.common.utility.iterable.ListIterable; |
| import org.eclipse.jpt.jpa.core.context.Entity; |
| import org.eclipse.jpt.jpa.core.context.JoinColumn; |
| import org.eclipse.jpt.jpa.core.context.JpaContextModel; |
| import org.eclipse.jpt.jpa.core.context.NamedColumn; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.SpecifiedJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.SpecifiedPersistentAttribute; |
| import org.eclipse.jpt.jpa.core.context.SpecifiedRelationship; |
| import org.eclipse.jpt.jpa.core.context.TypeMapping; |
| import org.eclipse.jpt.jpa.core.context.VirtualJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.VirtualJoinTable; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedJoinColumn; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedJoinTable; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.internal.context.JpaValidator; |
| import org.eclipse.jpt.jpa.core.internal.context.MappingTools; |
| import org.eclipse.jpt.jpa.core.resource.orm.XmlJoinColumn; |
| import org.eclipse.jpt.jpa.core.resource.orm.XmlJoinTable; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| /** |
| * <code>orm.xml</code> join table |
| */ |
| public class GenericOrmJoinTable |
| extends GenericOrmReferenceTable<OrmSpecifiedJoinTableRelationshipStrategy, OrmSpecifiedJoinTable.ParentAdapter, XmlJoinTable> |
| implements OrmSpecifiedJoinTable |
| { |
| protected final ContextListContainer<OrmSpecifiedJoinColumn, XmlJoinColumn> specifiedInverseJoinColumnContainer; |
| protected final JoinColumn.ParentAdapter inverseJoinColumnParentAdapter; |
| |
| protected OrmSpecifiedJoinColumn defaultInverseJoinColumn; |
| |
| |
| public GenericOrmJoinTable(OrmSpecifiedJoinTable.ParentAdapter parentAdapter) { |
| super(parentAdapter); |
| this.inverseJoinColumnParentAdapter = this.buildInverseJoinColumnParentAdapter(); |
| this.specifiedInverseJoinColumnContainer = this.buildSpecifiedInverseJoinColumnContainer(); |
| } |
| |
| @Override |
| protected JoinColumn.ParentAdapter buildJoinColumnParentAdapter() { |
| return new JoinColumnParentAdapter(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel(IProgressMonitor monitor) { |
| super.synchronizeWithResourceModel(monitor); |
| this.syncSpecifiedInverseJoinColumns(monitor); |
| if (this.defaultInverseJoinColumn != null) { |
| this.defaultInverseJoinColumn.synchronizeWithResourceModel(monitor); |
| } |
| } |
| |
| @Override |
| public void update(IProgressMonitor monitor) { |
| super.update(monitor); |
| this.updateModels(this.getSpecifiedInverseJoinColumns(), monitor); |
| this.updateDefaultInverseJoinColumn(monitor); |
| } |
| |
| |
| // ********** XML table ********** |
| |
| @Override |
| protected XmlJoinTable getXmlTable() { |
| return this.getRelationshipStrategy().getXmlJoinTable(); |
| } |
| |
| @Override |
| protected XmlJoinTable buildXmlTable() { |
| return this.getRelationshipStrategy().buildXmlJoinTable(); |
| } |
| |
| @Override |
| protected void removeXmlTable() { |
| this.getRelationshipStrategy().removeXmlJoinTable(); |
| } |
| |
| |
| // ********** inverse join columns ********** |
| |
| public ListIterable<OrmSpecifiedJoinColumn> getInverseJoinColumns() { |
| return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumns() : this.getDefaultInverseJoinColumns(); |
| } |
| |
| public int getInverseJoinColumnsSize() { |
| return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumnsSize() : this.getDefaultInverseJoinColumnsSize(); |
| } |
| |
| public void convertDefaultInverseJoinColumnToSpecified() { |
| MappingTools.convertJoinTableDefaultToSpecifiedInverseJoinColumn(this); |
| } |
| |
| |
| // ********** specified inverse join columns ********** |
| |
| public ListIterable<OrmSpecifiedJoinColumn> getSpecifiedInverseJoinColumns() { |
| return this.specifiedInverseJoinColumnContainer; |
| } |
| |
| public int getSpecifiedInverseJoinColumnsSize() { |
| return this.specifiedInverseJoinColumnContainer.size(); |
| } |
| |
| public boolean hasSpecifiedInverseJoinColumns() { |
| return this.getSpecifiedInverseJoinColumnsSize() != 0; |
| } |
| |
| public OrmSpecifiedJoinColumn getSpecifiedInverseJoinColumn(int index) { |
| return this.specifiedInverseJoinColumnContainer.get(index); |
| } |
| |
| public OrmSpecifiedJoinColumn addSpecifiedInverseJoinColumn() { |
| return this.addSpecifiedInverseJoinColumn(this.getSpecifiedInverseJoinColumnsSize()); |
| } |
| |
| public OrmSpecifiedJoinColumn addSpecifiedInverseJoinColumn(int index) { |
| XmlJoinTable xmlTable = this.getXmlTableForUpdate(); |
| XmlJoinColumn xmlJoinColumn = this.buildXmlJoinColumn(); |
| OrmSpecifiedJoinColumn joinColumn = this.specifiedInverseJoinColumnContainer.addContextElement(index, xmlJoinColumn); |
| xmlTable.getInverseJoinColumns().add(index, xmlJoinColumn); |
| return joinColumn; |
| } |
| |
| public void removeSpecifiedInverseJoinColumn(SpecifiedJoinColumn joinColumn) { |
| this.removeSpecifiedInverseJoinColumn(this.specifiedInverseJoinColumnContainer.indexOf((OrmSpecifiedJoinColumn) joinColumn)); |
| } |
| |
| public void removeSpecifiedInverseJoinColumn(int index) { |
| this.specifiedInverseJoinColumnContainer.remove(index); |
| this.getXmlTable().getInverseJoinColumns().remove(index); |
| this.removeXmlTableIfUnset(); |
| } |
| |
| public void moveSpecifiedInverseJoinColumn(int targetIndex, int sourceIndex) { |
| this.specifiedInverseJoinColumnContainer.move(targetIndex, sourceIndex); |
| this.getXmlTable().getInverseJoinColumns().move(targetIndex, sourceIndex); |
| } |
| |
| public void clearSpecifiedInverseJoinColumns() { |
| this.specifiedInverseJoinColumnContainer.clear(); |
| this.getXmlTable().getInverseJoinColumns().clear(); |
| } |
| |
| protected void syncSpecifiedInverseJoinColumns(IProgressMonitor monitor) { |
| this.specifiedInverseJoinColumnContainer.synchronizeWithResourceModel(monitor); |
| } |
| |
| protected ListIterable<XmlJoinColumn> getXmlInverseJoinColumns() { |
| XmlJoinTable xmlTable = this.getXmlTable(); |
| return (xmlTable == null) ? |
| EmptyListIterable.<XmlJoinColumn>instance() : |
| // clone to reduce chance of concurrency problems |
| IterableTools.cloneLive(xmlTable.getInverseJoinColumns()); |
| } |
| |
| protected ContextListContainer<OrmSpecifiedJoinColumn, XmlJoinColumn> buildSpecifiedInverseJoinColumnContainer() { |
| return this.buildSpecifiedContextListContainer(SPECIFIED_INVERSE_JOIN_COLUMNS_LIST, new SpecifiedInverseJoinColumnContainerAdapter()); |
| } |
| |
| /** |
| * specified inverse join column container adapter |
| */ |
| public class SpecifiedInverseJoinColumnContainerAdapter |
| extends AbstractContainerAdapter<OrmSpecifiedJoinColumn, XmlJoinColumn> |
| { |
| public OrmSpecifiedJoinColumn buildContextElement(XmlJoinColumn resourceElement) { |
| return GenericOrmJoinTable.this.buildInverseJoinColumn(resourceElement); |
| } |
| public ListIterable<XmlJoinColumn> getResourceElements() { |
| return GenericOrmJoinTable.this.getXmlInverseJoinColumns(); |
| } |
| public XmlJoinColumn extractResourceElement(OrmSpecifiedJoinColumn contextElement) { |
| return contextElement.getXmlColumn(); |
| } |
| } |
| |
| protected JoinColumn.ParentAdapter buildInverseJoinColumnParentAdapter() { |
| return new InverseJoinColumnParentAdapter(); |
| } |
| |
| |
| // ********** default inverse join column ********** |
| |
| public OrmSpecifiedJoinColumn getDefaultInverseJoinColumn() { |
| return this.defaultInverseJoinColumn; |
| } |
| |
| protected void setDefaultInverseJoinColumn(OrmSpecifiedJoinColumn joinColumn) { |
| OrmSpecifiedJoinColumn old = this.defaultInverseJoinColumn; |
| this.defaultInverseJoinColumn = joinColumn; |
| this.firePropertyChanged(DEFAULT_INVERSE_JOIN_COLUMN, old, joinColumn); |
| } |
| |
| protected ListIterable<OrmSpecifiedJoinColumn> getDefaultInverseJoinColumns() { |
| return (this.defaultInverseJoinColumn != null) ? |
| new SingleElementListIterable<OrmSpecifiedJoinColumn>(this.defaultInverseJoinColumn) : |
| EmptyListIterable.<OrmSpecifiedJoinColumn>instance(); |
| } |
| |
| protected int getDefaultInverseJoinColumnsSize() { |
| return (this.defaultInverseJoinColumn == null) ? 0 : 1; |
| } |
| |
| protected void updateDefaultInverseJoinColumn(IProgressMonitor monitor) { |
| if (this.buildsDefaultInverseJoinColumn()) { |
| if (this.defaultInverseJoinColumn == null) { |
| this.setDefaultInverseJoinColumn(this.buildInverseJoinColumn(null)); |
| } else { |
| this.defaultInverseJoinColumn.update(monitor); |
| } |
| } else { |
| this.setDefaultInverseJoinColumn(null); |
| } |
| } |
| |
| protected boolean buildsDefaultInverseJoinColumn() { |
| return ! this.hasSpecifiedInverseJoinColumns(); |
| } |
| |
| |
| // ********** misc ********** |
| |
| protected OrmSpecifiedJoinTableRelationshipStrategy getRelationshipStrategy() { |
| return this.parent; |
| } |
| |
| @Override |
| protected String buildDefaultName() { |
| return this.getRelationshipStrategy().getJoinTableDefaultName(); |
| } |
| |
| public void initializeFrom(OrmSpecifiedJoinTable oldTable) { |
| super.initializeFrom(oldTable); |
| for (OrmSpecifiedJoinColumn joinColumn : oldTable.getSpecifiedInverseJoinColumns()) { |
| this.addSpecifiedInverseJoinColumn().initializeFrom(joinColumn); |
| } |
| } |
| |
| public void initializeFrom(VirtualJoinTable virtualTable) { |
| super.initializeFrom(virtualTable); |
| for (VirtualJoinColumn joinColumn : virtualTable.getInverseJoinColumns()) { |
| this.addSpecifiedInverseJoinColumn().initializeFrom(joinColumn); |
| } |
| } |
| |
| protected OrmSpecifiedJoinColumn buildInverseJoinColumn(XmlJoinColumn xmlJoinColumn) { |
| return this.getContextModelFactory().buildOrmJoinColumn(this.inverseJoinColumnParentAdapter, xmlJoinColumn); |
| } |
| |
| public RelationshipMapping getRelationshipMapping() { |
| return this.getRelationshipStrategy().getRelationship().getMapping(); |
| } |
| |
| public SpecifiedPersistentAttribute getPersistentAttribute() { |
| return this.getRelationshipMapping().getPersistentAttribute(); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| protected void validateJoinColumns(List<IMessage> messages, IReporter reporter) { |
| super.validateJoinColumns(messages, reporter); |
| this.validateModels(this.getInverseJoinColumns(), messages, reporter); |
| } |
| |
| public boolean validatesAgainstDatabase() { |
| return this.getRelationshipStrategy().validatesAgainstDatabase(); |
| } |
| |
| // ********** completion proposals ********** |
| |
| @Override |
| public Iterable<String> getCompletionProposals(int pos) { |
| Iterable<String> result = super.getCompletionProposals(pos); |
| if (result != null) { |
| return result; |
| } |
| for (OrmSpecifiedJoinColumn column : this.getInverseJoinColumns()) { |
| result = column.getCompletionProposals(pos); |
| if (result != null) { |
| return result; |
| } |
| } |
| return null; |
| } |
| |
| // ********** join column parent adapters ********** |
| |
| /** |
| * just a little common behavior |
| */ |
| public abstract class AbstractJoinColumnParentAdapter |
| implements JoinColumn.ParentAdapter |
| { |
| public JpaContextModel getColumnParent() { |
| return GenericOrmJoinTable.this; |
| } |
| |
| public String getDefaultColumnName(NamedColumn column) { |
| return MappingTools.buildJoinColumnDefaultName((JoinColumn) column, this); |
| } |
| |
| /** |
| * If there is a specified table name it needs to be the same |
| * the default table name. The table is always the join table. |
| */ |
| public boolean tableNameIsInvalid(String tableName) { |
| return ObjectTools.notEquals(this.getDefaultTableName(), tableName); |
| } |
| |
| /** |
| * the join column can only be on the join table itself |
| */ |
| public Iterable<String> getCandidateTableNames() { |
| return EmptyIterable.instance(); |
| } |
| |
| public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) { |
| return ObjectTools.equals(GenericOrmJoinTable.this.getName(), tableName) ? |
| GenericOrmJoinTable.this.getDbTable() : |
| null; |
| } |
| |
| /** |
| * by default, the join column is, obviously, in the join table; |
| * not sure whether it can be anywhere else... |
| */ |
| public String getDefaultTableName() { |
| return GenericOrmJoinTable.this.getName(); |
| } |
| |
| public TextRange getValidationTextRange() { |
| return GenericOrmJoinTable.this.getValidationTextRange(); |
| } |
| |
| protected SpecifiedRelationship getRelationship() { |
| return this.getRelationshipStrategy().getRelationship(); |
| } |
| |
| protected OrmSpecifiedJoinTableRelationshipStrategy getRelationshipStrategy() { |
| return GenericOrmJoinTable.this.getRelationshipStrategy(); |
| } |
| } |
| |
| |
| /** |
| * parent adapter for "back-pointer" join columns; |
| * these point at the source/owning entity |
| */ |
| public class JoinColumnParentAdapter |
| extends AbstractJoinColumnParentAdapter |
| { |
| public Entity getRelationshipTarget() { |
| return this.getRelationship().getEntity(); |
| } |
| |
| public String getAttributeName() { |
| return MappingTools.getTargetAttributeName(GenericOrmJoinTable.this.getRelationshipMapping()); |
| } |
| |
| @Override |
| public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) { |
| org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName); |
| return (dbTable != null) ? dbTable : this.getTypeMapping().resolveDbTable(tableName); |
| } |
| |
| public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() { |
| return this.getTypeMapping().getPrimaryDbTable(); |
| } |
| |
| protected TypeMapping getTypeMapping() { |
| return this.getRelationship().getTypeMapping(); |
| } |
| |
| public int getJoinColumnsSize() { |
| return GenericOrmJoinTable.this.getJoinColumnsSize(); |
| } |
| |
| public JpaValidator buildColumnValidator(NamedColumn column) { |
| return this.getRelationshipStrategy().buildJoinTableJoinColumnValidator((JoinColumn) column, this); |
| } |
| } |
| |
| |
| /** |
| * parent adapter for "forward-pointer" join columns; |
| * these point at the target/inverse entity |
| */ |
| public class InverseJoinColumnParentAdapter |
| extends AbstractJoinColumnParentAdapter |
| { |
| public Entity getRelationshipTarget() { |
| RelationshipMapping relationshipMapping = GenericOrmJoinTable.this.getRelationshipMapping(); |
| return (relationshipMapping == null) ? null : relationshipMapping.getResolvedTargetEntity(); |
| } |
| |
| public String getAttributeName() { |
| RelationshipMapping relationshipMapping = GenericOrmJoinTable.this.getRelationshipMapping(); |
| return (relationshipMapping == null) ? null : relationshipMapping.getName(); |
| } |
| |
| @Override |
| public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) { |
| org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName); |
| if (dbTable != null) { |
| return dbTable; |
| } |
| Entity relationshipTarget = this.getRelationshipTarget(); |
| return (relationshipTarget == null) ? null : relationshipTarget.resolveDbTable(tableName); |
| } |
| |
| public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() { |
| Entity relationshipTarget = this.getRelationshipTarget(); |
| return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable(); |
| } |
| |
| public int getJoinColumnsSize() { |
| return GenericOrmJoinTable.this.getInverseJoinColumnsSize(); |
| } |
| |
| public JpaValidator buildColumnValidator(NamedColumn column) { |
| return this.getRelationshipStrategy().buildJoinTableInverseJoinColumnValidator((JoinColumn) column, this); |
| } |
| } |
| } |