jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/orm/GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009, 2012 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.context.orm;

 import java.util.List;
 import org.eclipse.jpt.common.core.utility.TextRange;
 import org.eclipse.jpt.common.utility.internal.iterables.ListIterable;
 import org.eclipse.jpt.common.utility.internal.iterables.LiveCloneListIterable;
 import org.eclipse.jpt.jpa.core.context.Entity;
 import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
 import org.eclipse.jpt.jpa.core.context.PrimaryKeyJoinColumn;
 import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn;
 import org.eclipse.jpt.jpa.core.context.ReadOnlyNamedColumn;
 import org.eclipse.jpt.jpa.core.context.ReadOnlyRelationshipStrategy;
 import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
 import org.eclipse.jpt.jpa.core.context.TypeMapping;
 import org.eclipse.jpt.jpa.core.context.orm.OrmPrimaryKeyJoinColumn;
 import org.eclipse.jpt.jpa.core.context.orm.OrmPrimaryKeyJoinColumnRelationship;
 import org.eclipse.jpt.jpa.core.context.orm.OrmReadOnlyJoinColumn;
 import org.eclipse.jpt.jpa.core.internal.context.BaseJoinColumnTextRangeResolver;
 import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
 import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
 import org.eclipse.jpt.jpa.core.internal.jpa1.context.OneToOnePrimaryKeyJoinColumnValidator;
 import org.eclipse.jpt.jpa.core.internal.validation.JpaValidationDescriptionMessages;
 import org.eclipse.jpt.jpa.core.jpa2.context.ReadOnlyOverrideRelationship2_0;
 import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmMappingPrimaryKeyJoinColumnRelationshipStrategy2_0;
 import org.eclipse.jpt.jpa.core.resource.orm.OrmFactory;
 import org.eclipse.jpt.jpa.core.resource.orm.XmlPrimaryKeyJoinColumn;
 import org.eclipse.jpt.jpa.core.resource.orm.XmlPrimaryKeyJoinColumnContainer;
 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 GenericOrmPrimaryKeyJoinColumnRelationshipStrategy
 	extends AbstractOrmXmlContextNode
 	implements OrmMappingPrimaryKeyJoinColumnRelationshipStrategy2_0
 {
 	protected final ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn> primaryKeyJoinColumnContainer;
 	protected final OrmReadOnlyJoinColumn.Owner primaryKeyJoinColumnOwner;


 	public GenericOrmPrimaryKeyJoinColumnRelationshipStrategy(OrmPrimaryKeyJoinColumnRelationship parent) {
 		super(parent);
 		this.primaryKeyJoinColumnOwner = this.buildPrimaryKeyJoinColumnOwner();
 		this.primaryKeyJoinColumnContainer = this.buildPrimaryKeyJoinColumnContainer();
 	}


 	// ********** synchronize/update **********

 	@Override
 	public void synchronizeWithResourceModel() {
 		super.synchronizeWithResourceModel();
 		this.syncPrimaryKeyJoinColumns();
 	}

 	@Override
 	public void update() {
 		super.update();
 		this.updateNodes(this.getPrimaryKeyJoinColumns());
 	}


 	// ********** primary key join columns **********

 	public ListIterable<OrmPrimaryKeyJoinColumn> getPrimaryKeyJoinColumns() {
 		return this.primaryKeyJoinColumnContainer.getContextElements();
 	}

 	public int getPrimaryKeyJoinColumnsSize() {
 		return this.primaryKeyJoinColumnContainer.getContextElementsSize();
 	}

 	public boolean hasPrimaryKeyJoinColumns() {
 		return this.getPrimaryKeyJoinColumnsSize() != 0;
 	}

 	public OrmPrimaryKeyJoinColumn getPrimaryKeyJoinColumn(int index) {
 		return this.primaryKeyJoinColumnContainer.getContextElement(index);
 	}

 	public OrmPrimaryKeyJoinColumn addPrimaryKeyJoinColumn() {
 		return this.addPrimaryKeyJoinColumn(this.getPrimaryKeyJoinColumnsSize());
 	}

 	public OrmPrimaryKeyJoinColumn addPrimaryKeyJoinColumn(int index) {
 		XmlPrimaryKeyJoinColumn xmlJoinColumn = this.buildXmlPrimaryKeyJoinColumn();
 		OrmPrimaryKeyJoinColumn joinColumn = this.primaryKeyJoinColumnContainer.addContextElement(index, xmlJoinColumn);
 		this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().add(index, xmlJoinColumn);
 		return joinColumn;
 	}

 	protected XmlPrimaryKeyJoinColumn buildXmlPrimaryKeyJoinColumn() {
 		return OrmFactory.eINSTANCE.createXmlPrimaryKeyJoinColumn();
 	}

 	public void removePrimaryKeyJoinColumn(PrimaryKeyJoinColumn joinColumn) {
 		this.removePrimaryKeyJoinColumn(this.primaryKeyJoinColumnContainer.indexOfContextElement((OrmPrimaryKeyJoinColumn) joinColumn));
 	}

 	public void removePrimaryKeyJoinColumn(int index) {
 		this.primaryKeyJoinColumnContainer.removeContextElement(index);
 		this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().remove(index);
 	}

 	public void movePrimaryKeyJoinColumn(int targetIndex, int sourceIndex) {
 		this.primaryKeyJoinColumnContainer.moveContextElement(targetIndex, sourceIndex);
 		this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().move(targetIndex, sourceIndex);
 	}


 	protected void syncPrimaryKeyJoinColumns() {
 		this.primaryKeyJoinColumnContainer.synchronizeWithResourceModel();
 	}

 	protected ListIterable<XmlPrimaryKeyJoinColumn> getXmlPrimaryKeyJoinColumns() {
 		// clone to reduce chance of concurrency problems
 		return new LiveCloneListIterable<XmlPrimaryKeyJoinColumn>(this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns());
 	}

 	/**
 	 *  primary key join column container
 	 */
 	protected class PrimaryKeyJoinColumnContainer
 		extends ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn>
 	{
 		@Override
 		protected String getContextElementsPropertyName() {
 			return PRIMARY_KEY_JOIN_COLUMNS_LIST;
 		}
 		@Override
 		protected OrmPrimaryKeyJoinColumn buildContextElement(XmlPrimaryKeyJoinColumn resourceElement) {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.buildPrimaryKeyJoinColumn(resourceElement);
 		}
 		@Override
 		protected ListIterable<XmlPrimaryKeyJoinColumn> getResourceElements() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getXmlPrimaryKeyJoinColumns();
 		}
 		@Override
 		protected XmlPrimaryKeyJoinColumn getResourceElement(OrmPrimaryKeyJoinColumn contextElement) {
 			return contextElement.getXmlColumn();
 		}
 	}

 	protected OrmReadOnlyJoinColumn.Owner buildPrimaryKeyJoinColumnOwner() {
 		return new PrimaryKeyJoinColumnOwner();
 	}

 	protected OrmPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(XmlPrimaryKeyJoinColumn xmlJoinColumn) {
 		return this.getContextNodeFactory().buildOrmPrimaryKeyJoinColumn(this, this.primaryKeyJoinColumnOwner, xmlJoinColumn);
 	}

 	protected ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn> buildPrimaryKeyJoinColumnContainer() {
 		PrimaryKeyJoinColumnContainer container = new PrimaryKeyJoinColumnContainer();
 		container.initialize();
 		return container;
 	}


 	// ********** misc **********

 	@Override
 	public OrmPrimaryKeyJoinColumnRelationship getParent() {
 		return (OrmPrimaryKeyJoinColumnRelationship) super.getParent();
 	}

 	public OrmPrimaryKeyJoinColumnRelationship getRelationship() {
 		return this.getParent();
 	}

 	protected RelationshipMapping getRelationshipMapping() {
 		return this.getRelationship().getMapping();
 	}

 	protected XmlPrimaryKeyJoinColumnContainer getXmlPrimaryKeyJoinColumnContainer() {
 		return this.getRelationship().getXmlContainer();
 	}

 	public String getTableName() {
 		return this.getTypeMapping().getPrimaryTableName();
 	}

 	public Table resolveDbTable(String tableName) {
 		return this.getTypeMapping().resolveDbTable(tableName);
 	}

 	public boolean tableNameIsInvalid(String tableName) {
 		return this.getTypeMapping().tableNameIsInvalid(tableName);
 	}

 	public String getColumnTableNotValidDescription() {
 		return JpaValidationDescriptionMessages.NOT_VALID_FOR_THIS_ENTITY;
 	}

 	protected TypeMapping getTypeMapping() {
 		return this.getRelationshipMapping().getTypeMapping();
 	}

 	public ReadOnlyRelationshipStrategy selectOverrideStrategy(ReadOnlyOverrideRelationship2_0 overrideRelationship) {
 		return null;  // pk join column strategies cannot be overridden
 	}

 	public void addStrategy() {
 		if (this.getPrimaryKeyJoinColumnsSize() == 0) {
 			this.addPrimaryKeyJoinColumn();
 		}
 	}

 	public void removeStrategy() {
 		for (int i = this.getPrimaryKeyJoinColumnsSize(); i-- > 0; ) {
 			this.removePrimaryKeyJoinColumn(i);
 		}
 	}

 	public boolean isOverridable() {
 		return false;
 	}


 	// ********** validation **********

 	public TextRange getValidationTextRange() {
 		return this.getRelationship().getValidationTextRange();
 	}

 	@Override
 	public void validate(List<IMessage> messages, IReporter reporter) {
 		super.validate(messages, reporter);
 		for (OrmPrimaryKeyJoinColumn pkJoinColumn : this.getPrimaryKeyJoinColumns()) {
 			pkJoinColumn.validate(messages, reporter);
 		}
 	}

 	// ********** completion proposals **********

 	@Override
 	public Iterable<String> getXmlCompletionProposals(int pos) {
 		Iterable<String> result = super.getXmlCompletionProposals(pos);
 		if (result != null) {
 			return result;
 		}
 		for (OrmPrimaryKeyJoinColumn column : this.getPrimaryKeyJoinColumns()) {
 			result = column.getXmlCompletionProposals(pos);
 			if (result != null) {
 				return result;
 			}
 		}
 		return null;
 	}

 	// ********** join column owner **********

 	protected class PrimaryKeyJoinColumnOwner
 		implements OrmReadOnlyJoinColumn.Owner
 	{
 		protected PrimaryKeyJoinColumnOwner() {
 			super();
 		}

 		/**
 		 * by default, the join column is in the type mapping's primary table
 		 */
 		public String getDefaultTableName() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getTableName();
 		}

 		public Entity getRelationshipTarget() {
 			return this.getRelationshipMapping().getResolvedTargetEntity();
 		}

 		public String getAttributeName() {
 			return this.getRelationshipMapping().getName();
 		}

 		protected PersistentAttribute getPersistentAttribute() {
 			return this.getRelationshipMapping().getPersistentAttribute();
 		}

 		public boolean tableNameIsInvalid(String tableName) {
 			return this.getTypeMapping().tableNameIsInvalid(tableName);
 		}

 		public Iterable<String> getCandidateTableNames() {
 			return this.getTypeMapping().getAllAssociatedTableNames();
 		}

 		protected TypeMapping getTypeMapping() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getTypeMapping();
 		}

 		public Table resolveDbTable(String tableName) {
 			return this.getTypeMapping().resolveDbTable(tableName);
 		}

 		public Table getReferencedColumnDbTable() {
 			Entity relationshipTarget = this.getRelationshipTarget();
 			return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable();
 		}

 		public String getDefaultColumnName(ReadOnlyNamedColumn column) {
 			return null;
 		}

 		public int getJoinColumnsSize() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getPrimaryKeyJoinColumnsSize();
 		}

 		public TextRange getValidationTextRange() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getValidationTextRange();
 		}

 		public JptValidator buildColumnValidator(ReadOnlyNamedColumn column, NamedColumnTextRangeResolver textRangeResolver) {
 			return new OneToOnePrimaryKeyJoinColumnValidator(this.getPersistentAttribute(), (ReadOnlyBaseJoinColumn) column, this, (BaseJoinColumnTextRangeResolver) textRangeResolver);
 		}

 		protected RelationshipMapping getRelationshipMapping() {
 			return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getRelationshipMapping();
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2009, 2012 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.context.orm;

	import java.util.List;
	import org.eclipse.jpt.common.core.utility.TextRange;
	import org.eclipse.jpt.common.utility.internal.iterables.ListIterable;
	import org.eclipse.jpt.common.utility.internal.iterables.LiveCloneListIterable;
	import org.eclipse.jpt.jpa.core.context.Entity;
	import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
	import org.eclipse.jpt.jpa.core.context.PrimaryKeyJoinColumn;
	import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn;
	import org.eclipse.jpt.jpa.core.context.ReadOnlyNamedColumn;
	import org.eclipse.jpt.jpa.core.context.ReadOnlyRelationshipStrategy;
	import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
	import org.eclipse.jpt.jpa.core.context.TypeMapping;
	import org.eclipse.jpt.jpa.core.context.orm.OrmPrimaryKeyJoinColumn;
	import org.eclipse.jpt.jpa.core.context.orm.OrmPrimaryKeyJoinColumnRelationship;
	import org.eclipse.jpt.jpa.core.context.orm.OrmReadOnlyJoinColumn;
	import org.eclipse.jpt.jpa.core.internal.context.BaseJoinColumnTextRangeResolver;
	import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
	import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
	import org.eclipse.jpt.jpa.core.internal.jpa1.context.OneToOnePrimaryKeyJoinColumnValidator;
	import org.eclipse.jpt.jpa.core.internal.validation.JpaValidationDescriptionMessages;
	import org.eclipse.jpt.jpa.core.jpa2.context.ReadOnlyOverrideRelationship2_0;
	import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmMappingPrimaryKeyJoinColumnRelationshipStrategy2_0;
	import org.eclipse.jpt.jpa.core.resource.orm.OrmFactory;
	import org.eclipse.jpt.jpa.core.resource.orm.XmlPrimaryKeyJoinColumn;
	import org.eclipse.jpt.jpa.core.resource.orm.XmlPrimaryKeyJoinColumnContainer;
	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 GenericOrmPrimaryKeyJoinColumnRelationshipStrategy
	extends AbstractOrmXmlContextNode
	implements OrmMappingPrimaryKeyJoinColumnRelationshipStrategy2_0
	{
	protected final ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn> primaryKeyJoinColumnContainer;
	protected final OrmReadOnlyJoinColumn.Owner primaryKeyJoinColumnOwner;


	public GenericOrmPrimaryKeyJoinColumnRelationshipStrategy(OrmPrimaryKeyJoinColumnRelationship parent) {
	super(parent);
	this.primaryKeyJoinColumnOwner = this.buildPrimaryKeyJoinColumnOwner();
	this.primaryKeyJoinColumnContainer = this.buildPrimaryKeyJoinColumnContainer();
	}


	// ******** synchronize/update ********

	@Override
	public void synchronizeWithResourceModel() {
	super.synchronizeWithResourceModel();
	this.syncPrimaryKeyJoinColumns();
	}

	@Override
	public void update() {
	super.update();
	this.updateNodes(this.getPrimaryKeyJoinColumns());
	}


	// ******** primary key join columns ********

	public ListIterable<OrmPrimaryKeyJoinColumn> getPrimaryKeyJoinColumns() {
	return this.primaryKeyJoinColumnContainer.getContextElements();
	}

	public int getPrimaryKeyJoinColumnsSize() {
	return this.primaryKeyJoinColumnContainer.getContextElementsSize();
	}

	public boolean hasPrimaryKeyJoinColumns() {
	return this.getPrimaryKeyJoinColumnsSize() != 0;
	}

	public OrmPrimaryKeyJoinColumn getPrimaryKeyJoinColumn(int index) {
	return this.primaryKeyJoinColumnContainer.getContextElement(index);
	}

	public OrmPrimaryKeyJoinColumn addPrimaryKeyJoinColumn() {
	return this.addPrimaryKeyJoinColumn(this.getPrimaryKeyJoinColumnsSize());
	}

	public OrmPrimaryKeyJoinColumn addPrimaryKeyJoinColumn(int index) {
	XmlPrimaryKeyJoinColumn xmlJoinColumn = this.buildXmlPrimaryKeyJoinColumn();
	OrmPrimaryKeyJoinColumn joinColumn = this.primaryKeyJoinColumnContainer.addContextElement(index, xmlJoinColumn);
	this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().add(index, xmlJoinColumn);
	return joinColumn;
	}

	protected XmlPrimaryKeyJoinColumn buildXmlPrimaryKeyJoinColumn() {
	return OrmFactory.eINSTANCE.createXmlPrimaryKeyJoinColumn();
	}

	public void removePrimaryKeyJoinColumn(PrimaryKeyJoinColumn joinColumn) {
	this.removePrimaryKeyJoinColumn(this.primaryKeyJoinColumnContainer.indexOfContextElement((OrmPrimaryKeyJoinColumn) joinColumn));
	}

	public void removePrimaryKeyJoinColumn(int index) {
	this.primaryKeyJoinColumnContainer.removeContextElement(index);
	this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().remove(index);
	}

	public void movePrimaryKeyJoinColumn(int targetIndex, int sourceIndex) {
	this.primaryKeyJoinColumnContainer.moveContextElement(targetIndex, sourceIndex);
	this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns().move(targetIndex, sourceIndex);
	}


	protected void syncPrimaryKeyJoinColumns() {
	this.primaryKeyJoinColumnContainer.synchronizeWithResourceModel();
	}

	protected ListIterable<XmlPrimaryKeyJoinColumn> getXmlPrimaryKeyJoinColumns() {
	// clone to reduce chance of concurrency problems
	return new LiveCloneListIterable<XmlPrimaryKeyJoinColumn>(this.getXmlPrimaryKeyJoinColumnContainer().getPrimaryKeyJoinColumns());
	}

	/**
	* primary key join column container
	*/
	protected class PrimaryKeyJoinColumnContainer
	extends ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn>
	{
	@Override
	protected String getContextElementsPropertyName() {
	return PRIMARY_KEY_JOIN_COLUMNS_LIST;
	}
	@Override
	protected OrmPrimaryKeyJoinColumn buildContextElement(XmlPrimaryKeyJoinColumn resourceElement) {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.buildPrimaryKeyJoinColumn(resourceElement);
	}
	@Override
	protected ListIterable<XmlPrimaryKeyJoinColumn> getResourceElements() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getXmlPrimaryKeyJoinColumns();
	}
	@Override
	protected XmlPrimaryKeyJoinColumn getResourceElement(OrmPrimaryKeyJoinColumn contextElement) {
	return contextElement.getXmlColumn();
	}
	}

	protected OrmReadOnlyJoinColumn.Owner buildPrimaryKeyJoinColumnOwner() {
	return new PrimaryKeyJoinColumnOwner();
	}

	protected OrmPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(XmlPrimaryKeyJoinColumn xmlJoinColumn) {
	return this.getContextNodeFactory().buildOrmPrimaryKeyJoinColumn(this, this.primaryKeyJoinColumnOwner, xmlJoinColumn);
	}

	protected ContextListContainer<OrmPrimaryKeyJoinColumn, XmlPrimaryKeyJoinColumn> buildPrimaryKeyJoinColumnContainer() {
	PrimaryKeyJoinColumnContainer container = new PrimaryKeyJoinColumnContainer();
	container.initialize();
	return container;
	}


	// ******** misc ********

	@Override
	public OrmPrimaryKeyJoinColumnRelationship getParent() {
	return (OrmPrimaryKeyJoinColumnRelationship) super.getParent();
	}

	public OrmPrimaryKeyJoinColumnRelationship getRelationship() {
	return this.getParent();
	}

	protected RelationshipMapping getRelationshipMapping() {
	return this.getRelationship().getMapping();
	}

	protected XmlPrimaryKeyJoinColumnContainer getXmlPrimaryKeyJoinColumnContainer() {
	return this.getRelationship().getXmlContainer();
	}

	public String getTableName() {
	return this.getTypeMapping().getPrimaryTableName();
	}

	public Table resolveDbTable(String tableName) {
	return this.getTypeMapping().resolveDbTable(tableName);
	}

	public boolean tableNameIsInvalid(String tableName) {
	return this.getTypeMapping().tableNameIsInvalid(tableName);
	}

	public String getColumnTableNotValidDescription() {
	return JpaValidationDescriptionMessages.NOT_VALID_FOR_THIS_ENTITY;
	}

	protected TypeMapping getTypeMapping() {
	return this.getRelationshipMapping().getTypeMapping();
	}

	public ReadOnlyRelationshipStrategy selectOverrideStrategy(ReadOnlyOverrideRelationship2_0 overrideRelationship) {
	return null; // pk join column strategies cannot be overridden
	}

	public void addStrategy() {
	if (this.getPrimaryKeyJoinColumnsSize() == 0) {
	this.addPrimaryKeyJoinColumn();
	}
	}

	public void removeStrategy() {
	for (int i = this.getPrimaryKeyJoinColumnsSize(); i-- > 0; ) {
	this.removePrimaryKeyJoinColumn(i);
	}
	}

	public boolean isOverridable() {
	return false;
	}


	// ******** validation ********

	public TextRange getValidationTextRange() {
	return this.getRelationship().getValidationTextRange();
	}

	@Override
	public void validate(List<IMessage> messages, IReporter reporter) {
	super.validate(messages, reporter);
	for (OrmPrimaryKeyJoinColumn pkJoinColumn : this.getPrimaryKeyJoinColumns()) {
	pkJoinColumn.validate(messages, reporter);
	}
	}

	// ******** completion proposals ********

	@Override
	public Iterable<String> getXmlCompletionProposals(int pos) {
	Iterable<String> result = super.getXmlCompletionProposals(pos);
	if (result != null) {
	return result;
	}
	for (OrmPrimaryKeyJoinColumn column : this.getPrimaryKeyJoinColumns()) {
	result = column.getXmlCompletionProposals(pos);
	if (result != null) {
	return result;
	}
	}
	return null;
	}

	// ******** join column owner ********

	protected class PrimaryKeyJoinColumnOwner
	implements OrmReadOnlyJoinColumn.Owner
	{
	protected PrimaryKeyJoinColumnOwner() {
	super();
	}

	/**
	* by default, the join column is in the type mapping's primary table
	*/
	public String getDefaultTableName() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getTableName();
	}

	public Entity getRelationshipTarget() {
	return this.getRelationshipMapping().getResolvedTargetEntity();
	}

	public String getAttributeName() {
	return this.getRelationshipMapping().getName();
	}

	protected PersistentAttribute getPersistentAttribute() {
	return this.getRelationshipMapping().getPersistentAttribute();
	}

	public boolean tableNameIsInvalid(String tableName) {
	return this.getTypeMapping().tableNameIsInvalid(tableName);
	}

	public Iterable<String> getCandidateTableNames() {
	return this.getTypeMapping().getAllAssociatedTableNames();
	}

	protected TypeMapping getTypeMapping() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getTypeMapping();
	}

	public Table resolveDbTable(String tableName) {
	return this.getTypeMapping().resolveDbTable(tableName);
	}

	public Table getReferencedColumnDbTable() {
	Entity relationshipTarget = this.getRelationshipTarget();
	return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable();
	}

	public String getDefaultColumnName(ReadOnlyNamedColumn column) {
	return null;
	}

	public int getJoinColumnsSize() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getPrimaryKeyJoinColumnsSize();
	}

	public TextRange getValidationTextRange() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getValidationTextRange();
	}

	public JptValidator buildColumnValidator(ReadOnlyNamedColumn column, NamedColumnTextRangeResolver textRangeResolver) {
	return new OneToOnePrimaryKeyJoinColumnValidator(this.getPersistentAttribute(), (ReadOnlyBaseJoinColumn) column, this, (BaseJoinColumnTextRangeResolver) textRangeResolver);
	}

	protected RelationshipMapping getRelationshipMapping() {
	return GenericOrmPrimaryKeyJoinColumnRelationshipStrategy.this.getRelationshipMapping();
	}
	}
	}