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

 /*******************************************************************************
  * Copyright (c) 2007, 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.orm;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.ListIterator;
 import org.eclipse.jpt.core.context.BaseJoinColumn;
 import org.eclipse.jpt.core.context.Entity;
 import org.eclipse.jpt.core.context.PrimaryKeyJoinColumn;
 import org.eclipse.jpt.core.context.SecondaryTable;
 import org.eclipse.jpt.core.context.TypeMapping;
 import org.eclipse.jpt.core.context.orm.OrmBaseJoinColumn;
 import org.eclipse.jpt.core.context.orm.OrmEntity;
 import org.eclipse.jpt.core.context.orm.OrmPrimaryKeyJoinColumn;
 import org.eclipse.jpt.core.context.orm.OrmSecondaryTable;
 import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
 import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
 import org.eclipse.jpt.core.resource.orm.OrmFactory;
 import org.eclipse.jpt.core.resource.orm.XmlPrimaryKeyJoinColumn;
 import org.eclipse.jpt.core.resource.orm.XmlSecondaryTable;
 import org.eclipse.jpt.core.utility.TextRange;
 import org.eclipse.jpt.db.Table;
 import org.eclipse.jpt.utility.internal.CollectionTools;
 import org.eclipse.jpt.utility.internal.iterators.CloneListIterator;
 import org.eclipse.jpt.utility.internal.iterators.EmptyListIterator;
 import org.eclipse.jpt.utility.internal.iterators.SingleElementListIterator;
 import org.eclipse.wst.validation.internal.provisional.core.IMessage;

 /**
  *
  */
 public class GenericOrmSecondaryTable
 	extends AbstractOrmTable
 	implements OrmSecondaryTable
 {
 	protected XmlSecondaryTable secondaryTable;

 	protected final List<OrmPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns;

 	protected OrmPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

 	public GenericOrmSecondaryTable(OrmEntity parent, XmlSecondaryTable xmlSecondaryTable) {
 		super(parent);
 		this.specifiedPrimaryKeyJoinColumns = new ArrayList<OrmPrimaryKeyJoinColumn>();
 		initialize(xmlSecondaryTable);
 	}

 	public void initializeFrom(SecondaryTable oldSecondaryTable) {
 		super.initializeFrom(oldSecondaryTable);
 		for (PrimaryKeyJoinColumn oldPkJoinColumn : CollectionTools.iterable(oldSecondaryTable.specifiedPrimaryKeyJoinColumns())) {
 			OrmPrimaryKeyJoinColumn newPkJoinColumn = addSpecifiedPrimaryKeyJoinColumn(specifiedPrimaryKeyJoinColumnsSize());
 			newPkJoinColumn.initializeFrom(oldPkJoinColumn);
 		}
 	}

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

 	public OrmEntity getOrmEntity() {
 		return getParent();
 	}

 	public OrmPrimaryKeyJoinColumn getDefaultPrimaryKeyJoinColumn() {
 		return this.defaultPrimaryKeyJoinColumn;
 	}

 	protected void setDefaultPrimaryKeyJoinColumn(OrmPrimaryKeyJoinColumn newPkJoinColumn) {
 		OrmPrimaryKeyJoinColumn oldPkJoinColumn = this.defaultPrimaryKeyJoinColumn;
 		this.defaultPrimaryKeyJoinColumn = newPkJoinColumn;
 		firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldPkJoinColumn, newPkJoinColumn);
 	}

 	public ListIterator<OrmPrimaryKeyJoinColumn> primaryKeyJoinColumns() {
 		return this.containsSpecifiedPrimaryKeyJoinColumns() ? this.specifiedPrimaryKeyJoinColumns() : this.defaultPrimaryKeyJoinColumns();
 	}

 	public int primaryKeyJoinColumnsSize() {
 		return this.containsSpecifiedPrimaryKeyJoinColumns() ? this.specifiedPrimaryKeyJoinColumnsSize() : this.defaultPrimaryKeyJoinColumnsSize();
 	}

 	public ListIterator<OrmPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns() {
 		return new CloneListIterator<OrmPrimaryKeyJoinColumn>(this.specifiedPrimaryKeyJoinColumns);
 	}

 	public int specifiedPrimaryKeyJoinColumnsSize() {
 		return this.specifiedPrimaryKeyJoinColumns.size();
 	}

 	protected ListIterator<OrmPrimaryKeyJoinColumn> defaultPrimaryKeyJoinColumns() {
 		if (this.defaultPrimaryKeyJoinColumn != null) {
 			return new SingleElementListIterator<OrmPrimaryKeyJoinColumn>(this.defaultPrimaryKeyJoinColumn);
 		}
 		return EmptyListIterator.instance();
 	}

 	protected int defaultPrimaryKeyJoinColumnsSize() {
 		return (this.defaultPrimaryKeyJoinColumn == null) ? 0 : 1;
 	}

 	public boolean containsSpecifiedPrimaryKeyJoinColumns() {
 		return !this.specifiedPrimaryKeyJoinColumns.isEmpty();
 	}

 	public OrmPrimaryKeyJoinColumn addSpecifiedPrimaryKeyJoinColumn(int index) {
 		OrmPrimaryKeyJoinColumn oldDefaultPkJoinColumn = this.getDefaultPrimaryKeyJoinColumn();
 		if (oldDefaultPkJoinColumn != null) {
 			//null the default join column now if one already exists.
 			//if one does not exist, there is already a specified join column.
 			//Remove it now so that it doesn't get removed during an update and
 			//cause change notifications to be sent to the UI in the wrong order
 			this.defaultPrimaryKeyJoinColumn = null;
 		}
 		XmlPrimaryKeyJoinColumn resourcePkJoinColumn = OrmFactory.eINSTANCE.createXmlPrimaryKeyJoinColumnImpl();
 		OrmPrimaryKeyJoinColumn contextPkJoinColumn = buildPrimaryKeyJoinColumn(resourcePkJoinColumn);
 		this.specifiedPrimaryKeyJoinColumns.add(index, contextPkJoinColumn);
 		this.secondaryTable.getPrimaryKeyJoinColumns().add(index, resourcePkJoinColumn);

 		this.fireItemAdded(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, contextPkJoinColumn);
 		if (oldDefaultPkJoinColumn != null) {
 			this.firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldDefaultPkJoinColumn, null);
 		}
 		return contextPkJoinColumn;
 	}

 	protected OrmBaseJoinColumn.Owner createPrimaryKeyJoinColumnOwner() {
 		return new PrimaryKeyJoinColumnOwner();
 	}

 	protected void addSpecifiedPrimaryKeyJoinColumn(int index, OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
 		addItemToList(index, primaryKeyJoinColumn, this.specifiedPrimaryKeyJoinColumns, SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST);
 	}

 	protected void addSpecifiedPrimaryKeyJoinColumn(OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
 		this.addSpecifiedPrimaryKeyJoinColumn(this.specifiedPrimaryKeyJoinColumns.size(), primaryKeyJoinColumn);
 	}

 	public void removeSpecifiedPrimaryKeyJoinColumn(PrimaryKeyJoinColumn pkJoinColumn) {
 		this.removeSpecifiedPrimaryKeyJoinColumn(this.specifiedPrimaryKeyJoinColumns.indexOf(pkJoinColumn));
 	}

 	public void removeSpecifiedPrimaryKeyJoinColumn(int index) {
 		OrmPrimaryKeyJoinColumn removedPrimaryKeyJoinColumn = this.specifiedPrimaryKeyJoinColumns.remove(index);
 		if (!containsSpecifiedPrimaryKeyJoinColumns()) {
 			//create the defaultJoinColumn now or this will happen during project update
 			//after removing the join column from the resource model. That causes problems
 			//in the UI because the change notifications end up in the wrong order.
 			this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(null);
 		}
 		this.secondaryTable.getPrimaryKeyJoinColumns().remove(index);
 		fireItemRemoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, removedPrimaryKeyJoinColumn);
 		if (this.defaultPrimaryKeyJoinColumn != null) {
 			//fire change notification if a defaultJoinColumn was created above
 			this.firePropertyChanged(Entity.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, null, this.defaultPrimaryKeyJoinColumn);
 		}
 	}

 	protected void removeSpecifiedPrimaryKeyJoinColumn_(OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
 		removeItemFromList(primaryKeyJoinColumn, this.specifiedPrimaryKeyJoinColumns, SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST);
 	}

 	public void moveSpecifiedPrimaryKeyJoinColumn(int targetIndex, int sourceIndex) {
 		CollectionTools.move(this.specifiedPrimaryKeyJoinColumns, targetIndex, sourceIndex);
 		this.secondaryTable.getPrimaryKeyJoinColumns().move(targetIndex, sourceIndex);
 		fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
 	}


 	public boolean isVirtual() {
 		return getOrmEntity().containsVirtualSecondaryTable(this);
 	}

 	@Override
 	protected XmlSecondaryTable getResourceTable() {
 		return this.secondaryTable;
 	}

 	@Override
 	protected XmlSecondaryTable addResourceTable() {
 		//secondaryTables are part of a collection, the secondary-table element will be removed/added
 		//when the XmlSecondaryTable is removed/added to the XmlEntity collection
 		throw new IllegalStateException("resource table is missing"); //$NON-NLS-1$
 	}

 	@Override
 	protected void removeResourceTable() {
 		//secondaryTables are part of a collection, the secondary-table element will be removed/added
 		//when the XmlSecondaryTable is removed/added to the XmlEntity collection
 	}

 	protected void initialize(XmlSecondaryTable xst) {
 		this.secondaryTable = xst;
 		super.initialize(xst);
 		this.initializeSpecifiedPrimaryKeyJoinColumns(xst);
 		this.initializeDefaultPrimaryKeyJoinColumn();
 	}

 	protected void initializeSpecifiedPrimaryKeyJoinColumns(XmlSecondaryTable xst) {
 		for (XmlPrimaryKeyJoinColumn resourcePkJoinColumn : xst.getPrimaryKeyJoinColumns()) {
 			this.specifiedPrimaryKeyJoinColumns.add(buildPrimaryKeyJoinColumn(resourcePkJoinColumn));
 		}
 	}

 	protected boolean shouldBuildDefaultPrimaryKeyJoinColumn() {
 		return !containsSpecifiedPrimaryKeyJoinColumns();
 	}

 	protected void initializeDefaultPrimaryKeyJoinColumn() {
 		if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
 			return;
 		}
 		this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(null);
 	}

 	public void update(XmlSecondaryTable xst) {
 		this.secondaryTable = xst;
 		super.update(xst);
 		this.updateSpecifiedPrimaryKeyJoinColumns(xst);
 		this.updateDefaultPrimaryKeyJoinColumn();
 	}

 	protected void updateSpecifiedPrimaryKeyJoinColumns(XmlSecondaryTable xst) {
 		ListIterator<OrmPrimaryKeyJoinColumn> contextPKJoinColumns = specifiedPrimaryKeyJoinColumns();
 		ListIterator<XmlPrimaryKeyJoinColumn> resourcePKJoinColumns = new CloneListIterator<XmlPrimaryKeyJoinColumn>(xst.getPrimaryKeyJoinColumns());//prevent ConcurrentModificiationException

 		while (contextPKJoinColumns.hasNext()) {
 			OrmPrimaryKeyJoinColumn primaryKeyJoinColumn = contextPKJoinColumns.next();
 			if (resourcePKJoinColumns.hasNext()) {
 				primaryKeyJoinColumn.update(resourcePKJoinColumns.next());
 			}
 			else {
 				removeSpecifiedPrimaryKeyJoinColumn_(primaryKeyJoinColumn);
 			}
 		}

 		while (resourcePKJoinColumns.hasNext()) {
 			addSpecifiedPrimaryKeyJoinColumn(buildPrimaryKeyJoinColumn(resourcePKJoinColumns.next()));
 		}
 	}

 	protected void updateDefaultPrimaryKeyJoinColumn() {
 		if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
 			setDefaultPrimaryKeyJoinColumn(null);
 			return;
 		}
 		if (getDefaultPrimaryKeyJoinColumn() == null) {
 			this.setDefaultPrimaryKeyJoinColumn(buildPrimaryKeyJoinColumn(null));
 		}
 		else {
 			this.defaultPrimaryKeyJoinColumn.update(null);
 		}
 	}

 	protected OrmPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(XmlPrimaryKeyJoinColumn resourcePkJoinColumn) {
 		return getJpaFactory().buildOrmPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner(), resourcePkJoinColumn);
 	}

 	/**
 	 * a secondary table doesn't have a default name
 	 */
 	@Override
 	protected String buildDefaultName() {
 		return null;
 	}

 	@Override
 	protected String buildDefaultSchema() {
 		return this.getContextDefaultSchema();
 	}

 	@Override
 	protected String buildDefaultCatalog() {
 		return this.getContextDefaultCatalog();
 	}

 	@Override
 	public void addToMessages(List<IMessage> messages) {
 		super.addToMessages(messages);
 		if (this.connectionProfileIsActive()) {
 			this.checkDatabase(messages);
 		}
 		for (Iterator<OrmPrimaryKeyJoinColumn> stream = this.primaryKeyJoinColumns(); stream.hasNext(); ) {
 			stream.next().addToMessages(messages);
 		}
 	}

 	protected void checkDatabase(List<IMessage> messages) {
 		if ( ! this.hasResolvedCatalog()) {
 			messages.add(
 				DefaultJpaValidationMessages.buildMessage(
 						IMessage.HIGH_SEVERITY,
 						JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_CATALOG,
 						new String[] {this.getCatalog(), this.getName()},
 						this,
 						this.getCatalogTextRange())
 				);
 			return;
 		}

 		if ( ! this.hasResolvedSchema()) {
 			messages.add(
 				DefaultJpaValidationMessages.buildMessage(
 						IMessage.HIGH_SEVERITY,
 						JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_SCHEMA,
 						new String[] {this.getSchema(), this.getName()},
 						this,
 						this.getSchemaTextRange())
 				);
 			return;
 		}

 		if ( ! this.isResolved()) {
 			messages.add(
 				DefaultJpaValidationMessages.buildMessage(
 						IMessage.HIGH_SEVERITY,
 						JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_NAME,
 						new String[] {this.getName()},
 						this,
 						this.getNameTextRange())
 				);
 			return;
 		}
 	}

 	class PrimaryKeyJoinColumnOwner implements OrmBaseJoinColumn.Owner
 	{

 		public TypeMapping getTypeMapping() {
 			return GenericOrmSecondaryTable.this.getOrmEntity();
 		}

 		public Table getDbTable(String tableName) {
 			return GenericOrmSecondaryTable.this.getDbTable();
 		}

 		public Table getReferencedColumnDbTable() {
 			return getTypeMapping().getPrimaryDbTable();
 		}

 		public int joinColumnsSize() {
 			return GenericOrmSecondaryTable.this.primaryKeyJoinColumnsSize();
 		}

 		public boolean isVirtual(BaseJoinColumn joinColumn) {
 			return GenericOrmSecondaryTable.this.defaultPrimaryKeyJoinColumn == joinColumn;
 		}

 		public String getDefaultColumnName() {
 			if (joinColumnsSize() != 1) {
 				return null;
 			}
 			return getOrmEntity().getParentEntity().getPrimaryKeyColumnName();
 		}

 		public TextRange getValidationTextRange() {
 			// TODO Auto-generated method stub
 			return null;
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007, 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.orm;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.ListIterator;
	import org.eclipse.jpt.core.context.BaseJoinColumn;
	import org.eclipse.jpt.core.context.Entity;
	import org.eclipse.jpt.core.context.PrimaryKeyJoinColumn;
	import org.eclipse.jpt.core.context.SecondaryTable;
	import org.eclipse.jpt.core.context.TypeMapping;
	import org.eclipse.jpt.core.context.orm.OrmBaseJoinColumn;
	import org.eclipse.jpt.core.context.orm.OrmEntity;
	import org.eclipse.jpt.core.context.orm.OrmPrimaryKeyJoinColumn;
	import org.eclipse.jpt.core.context.orm.OrmSecondaryTable;
	import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
	import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
	import org.eclipse.jpt.core.resource.orm.OrmFactory;
	import org.eclipse.jpt.core.resource.orm.XmlPrimaryKeyJoinColumn;
	import org.eclipse.jpt.core.resource.orm.XmlSecondaryTable;
	import org.eclipse.jpt.core.utility.TextRange;
	import org.eclipse.jpt.db.Table;
	import org.eclipse.jpt.utility.internal.CollectionTools;
	import org.eclipse.jpt.utility.internal.iterators.CloneListIterator;
	import org.eclipse.jpt.utility.internal.iterators.EmptyListIterator;
	import org.eclipse.jpt.utility.internal.iterators.SingleElementListIterator;
	import org.eclipse.wst.validation.internal.provisional.core.IMessage;

	/**
	*
	*/
	public class GenericOrmSecondaryTable
	extends AbstractOrmTable
	implements OrmSecondaryTable
	{
	protected XmlSecondaryTable secondaryTable;

	protected final List<OrmPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns;

	protected OrmPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

	public GenericOrmSecondaryTable(OrmEntity parent, XmlSecondaryTable xmlSecondaryTable) {
	super(parent);
	this.specifiedPrimaryKeyJoinColumns = new ArrayList<OrmPrimaryKeyJoinColumn>();
	initialize(xmlSecondaryTable);
	}

	public void initializeFrom(SecondaryTable oldSecondaryTable) {
	super.initializeFrom(oldSecondaryTable);
	for (PrimaryKeyJoinColumn oldPkJoinColumn : CollectionTools.iterable(oldSecondaryTable.specifiedPrimaryKeyJoinColumns())) {
	OrmPrimaryKeyJoinColumn newPkJoinColumn = addSpecifiedPrimaryKeyJoinColumn(specifiedPrimaryKeyJoinColumnsSize());
	newPkJoinColumn.initializeFrom(oldPkJoinColumn);
	}
	}

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

	public OrmEntity getOrmEntity() {
	return getParent();
	}

	public OrmPrimaryKeyJoinColumn getDefaultPrimaryKeyJoinColumn() {
	return this.defaultPrimaryKeyJoinColumn;
	}

	protected void setDefaultPrimaryKeyJoinColumn(OrmPrimaryKeyJoinColumn newPkJoinColumn) {
	OrmPrimaryKeyJoinColumn oldPkJoinColumn = this.defaultPrimaryKeyJoinColumn;
	this.defaultPrimaryKeyJoinColumn = newPkJoinColumn;
	firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldPkJoinColumn, newPkJoinColumn);
	}

	public ListIterator<OrmPrimaryKeyJoinColumn> primaryKeyJoinColumns() {
	return this.containsSpecifiedPrimaryKeyJoinColumns() ? this.specifiedPrimaryKeyJoinColumns() : this.defaultPrimaryKeyJoinColumns();
	}

	public int primaryKeyJoinColumnsSize() {
	return this.containsSpecifiedPrimaryKeyJoinColumns() ? this.specifiedPrimaryKeyJoinColumnsSize() : this.defaultPrimaryKeyJoinColumnsSize();
	}

	public ListIterator<OrmPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns() {
	return new CloneListIterator<OrmPrimaryKeyJoinColumn>(this.specifiedPrimaryKeyJoinColumns);
	}

	public int specifiedPrimaryKeyJoinColumnsSize() {
	return this.specifiedPrimaryKeyJoinColumns.size();
	}

	protected ListIterator<OrmPrimaryKeyJoinColumn> defaultPrimaryKeyJoinColumns() {
	if (this.defaultPrimaryKeyJoinColumn != null) {
	return new SingleElementListIterator<OrmPrimaryKeyJoinColumn>(this.defaultPrimaryKeyJoinColumn);
	}
	return EmptyListIterator.instance();
	}

	protected int defaultPrimaryKeyJoinColumnsSize() {
	return (this.defaultPrimaryKeyJoinColumn == null) ? 0 : 1;
	}

	public boolean containsSpecifiedPrimaryKeyJoinColumns() {
	return !this.specifiedPrimaryKeyJoinColumns.isEmpty();
	}

	public OrmPrimaryKeyJoinColumn addSpecifiedPrimaryKeyJoinColumn(int index) {
	OrmPrimaryKeyJoinColumn oldDefaultPkJoinColumn = this.getDefaultPrimaryKeyJoinColumn();
	if (oldDefaultPkJoinColumn != null) {
	//null the default join column now if one already exists.
	//if one does not exist, there is already a specified join column.
	//Remove it now so that it doesn't get removed during an update and
	//cause change notifications to be sent to the UI in the wrong order
	this.defaultPrimaryKeyJoinColumn = null;
	}
	XmlPrimaryKeyJoinColumn resourcePkJoinColumn = OrmFactory.eINSTANCE.createXmlPrimaryKeyJoinColumnImpl();
	OrmPrimaryKeyJoinColumn contextPkJoinColumn = buildPrimaryKeyJoinColumn(resourcePkJoinColumn);
	this.specifiedPrimaryKeyJoinColumns.add(index, contextPkJoinColumn);
	this.secondaryTable.getPrimaryKeyJoinColumns().add(index, resourcePkJoinColumn);

	this.fireItemAdded(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, contextPkJoinColumn);
	if (oldDefaultPkJoinColumn != null) {
	this.firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldDefaultPkJoinColumn, null);
	}
	return contextPkJoinColumn;
	}

	protected OrmBaseJoinColumn.Owner createPrimaryKeyJoinColumnOwner() {
	return new PrimaryKeyJoinColumnOwner();
	}

	protected void addSpecifiedPrimaryKeyJoinColumn(int index, OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
	addItemToList(index, primaryKeyJoinColumn, this.specifiedPrimaryKeyJoinColumns, SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST);
	}

	protected void addSpecifiedPrimaryKeyJoinColumn(OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
	this.addSpecifiedPrimaryKeyJoinColumn(this.specifiedPrimaryKeyJoinColumns.size(), primaryKeyJoinColumn);
	}

	public void removeSpecifiedPrimaryKeyJoinColumn(PrimaryKeyJoinColumn pkJoinColumn) {
	this.removeSpecifiedPrimaryKeyJoinColumn(this.specifiedPrimaryKeyJoinColumns.indexOf(pkJoinColumn));
	}

	public void removeSpecifiedPrimaryKeyJoinColumn(int index) {
	OrmPrimaryKeyJoinColumn removedPrimaryKeyJoinColumn = this.specifiedPrimaryKeyJoinColumns.remove(index);
	if (!containsSpecifiedPrimaryKeyJoinColumns()) {
	//create the defaultJoinColumn now or this will happen during project update
	//after removing the join column from the resource model. That causes problems
	//in the UI because the change notifications end up in the wrong order.
	this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(null);
	}
	this.secondaryTable.getPrimaryKeyJoinColumns().remove(index);
	fireItemRemoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, removedPrimaryKeyJoinColumn);
	if (this.defaultPrimaryKeyJoinColumn != null) {
	//fire change notification if a defaultJoinColumn was created above
	this.firePropertyChanged(Entity.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, null, this.defaultPrimaryKeyJoinColumn);
	}
	}

	protected void removeSpecifiedPrimaryKeyJoinColumn_(OrmPrimaryKeyJoinColumn primaryKeyJoinColumn) {
	removeItemFromList(primaryKeyJoinColumn, this.specifiedPrimaryKeyJoinColumns, SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST);
	}

	public void moveSpecifiedPrimaryKeyJoinColumn(int targetIndex, int sourceIndex) {
	CollectionTools.move(this.specifiedPrimaryKeyJoinColumns, targetIndex, sourceIndex);
	this.secondaryTable.getPrimaryKeyJoinColumns().move(targetIndex, sourceIndex);
	fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
	}


	public boolean isVirtual() {
	return getOrmEntity().containsVirtualSecondaryTable(this);
	}

	@Override
	protected XmlSecondaryTable getResourceTable() {
	return this.secondaryTable;
	}

	@Override
	protected XmlSecondaryTable addResourceTable() {
	//secondaryTables are part of a collection, the secondary-table element will be removed/added
	//when the XmlSecondaryTable is removed/added to the XmlEntity collection
	throw new IllegalStateException("resource table is missing"); //$NON-NLS-1$
	}

	@Override
	protected void removeResourceTable() {
	//secondaryTables are part of a collection, the secondary-table element will be removed/added
	//when the XmlSecondaryTable is removed/added to the XmlEntity collection
	}

	protected void initialize(XmlSecondaryTable xst) {
	this.secondaryTable = xst;
	super.initialize(xst);
	this.initializeSpecifiedPrimaryKeyJoinColumns(xst);
	this.initializeDefaultPrimaryKeyJoinColumn();
	}

	protected void initializeSpecifiedPrimaryKeyJoinColumns(XmlSecondaryTable xst) {
	for (XmlPrimaryKeyJoinColumn resourcePkJoinColumn : xst.getPrimaryKeyJoinColumns()) {
	this.specifiedPrimaryKeyJoinColumns.add(buildPrimaryKeyJoinColumn(resourcePkJoinColumn));
	}
	}

	protected boolean shouldBuildDefaultPrimaryKeyJoinColumn() {
	return !containsSpecifiedPrimaryKeyJoinColumns();
	}

	protected void initializeDefaultPrimaryKeyJoinColumn() {
	if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
	return;
	}
	this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(null);
	}

	public void update(XmlSecondaryTable xst) {
	this.secondaryTable = xst;
	super.update(xst);
	this.updateSpecifiedPrimaryKeyJoinColumns(xst);
	this.updateDefaultPrimaryKeyJoinColumn();
	}

	protected void updateSpecifiedPrimaryKeyJoinColumns(XmlSecondaryTable xst) {
	ListIterator<OrmPrimaryKeyJoinColumn> contextPKJoinColumns = specifiedPrimaryKeyJoinColumns();
	ListIterator<XmlPrimaryKeyJoinColumn> resourcePKJoinColumns = new CloneListIterator<XmlPrimaryKeyJoinColumn>(xst.getPrimaryKeyJoinColumns());//prevent ConcurrentModificiationException

	while (contextPKJoinColumns.hasNext()) {
	OrmPrimaryKeyJoinColumn primaryKeyJoinColumn = contextPKJoinColumns.next();
	if (resourcePKJoinColumns.hasNext()) {
	primaryKeyJoinColumn.update(resourcePKJoinColumns.next());
	}
	else {
	removeSpecifiedPrimaryKeyJoinColumn_(primaryKeyJoinColumn);
	}
	}

	while (resourcePKJoinColumns.hasNext()) {
	addSpecifiedPrimaryKeyJoinColumn(buildPrimaryKeyJoinColumn(resourcePKJoinColumns.next()));
	}
	}

	protected void updateDefaultPrimaryKeyJoinColumn() {
	if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
	setDefaultPrimaryKeyJoinColumn(null);
	return;
	}
	if (getDefaultPrimaryKeyJoinColumn() == null) {
	this.setDefaultPrimaryKeyJoinColumn(buildPrimaryKeyJoinColumn(null));
	}
	else {
	this.defaultPrimaryKeyJoinColumn.update(null);
	}
	}

	protected OrmPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(XmlPrimaryKeyJoinColumn resourcePkJoinColumn) {
	return getJpaFactory().buildOrmPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner(), resourcePkJoinColumn);
	}

	/**
	* a secondary table doesn't have a default name
	*/
	@Override
	protected String buildDefaultName() {
	return null;
	}

	@Override
	protected String buildDefaultSchema() {
	return this.getContextDefaultSchema();
	}

	@Override
	protected String buildDefaultCatalog() {
	return this.getContextDefaultCatalog();
	}

	@Override
	public void addToMessages(List<IMessage> messages) {
	super.addToMessages(messages);
	if (this.connectionProfileIsActive()) {
	this.checkDatabase(messages);
	}
	for (Iterator<OrmPrimaryKeyJoinColumn> stream = this.primaryKeyJoinColumns(); stream.hasNext(); ) {
	stream.next().addToMessages(messages);
	}
	}

	protected void checkDatabase(List<IMessage> messages) {
	if ( ! this.hasResolvedCatalog()) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_CATALOG,
	new String[] {this.getCatalog(), this.getName()},
	this,
	this.getCatalogTextRange())
	);
	return;
	}

	if ( ! this.hasResolvedSchema()) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_SCHEMA,
	new String[] {this.getSchema(), this.getName()},
	this,
	this.getSchemaTextRange())
	);
	return;
	}

	if ( ! this.isResolved()) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.SECONDARY_TABLE_UNRESOLVED_NAME,
	new String[] {this.getName()},
	this,
	this.getNameTextRange())
	);
	return;
	}
	}

	class PrimaryKeyJoinColumnOwner implements OrmBaseJoinColumn.Owner
	{

	public TypeMapping getTypeMapping() {
	return GenericOrmSecondaryTable.this.getOrmEntity();
	}

	public Table getDbTable(String tableName) {
	return GenericOrmSecondaryTable.this.getDbTable();
	}

	public Table getReferencedColumnDbTable() {
	return getTypeMapping().getPrimaryDbTable();
	}

	public int joinColumnsSize() {
	return GenericOrmSecondaryTable.this.primaryKeyJoinColumnsSize();
	}

	public boolean isVirtual(BaseJoinColumn joinColumn) {
	return GenericOrmSecondaryTable.this.defaultPrimaryKeyJoinColumn == joinColumn;
	}

	public String getDefaultColumnName() {
	if (joinColumnsSize() != 1) {
	return null;
	}
	return getOrmEntity().getParentEntity().getPrimaryKeyColumnName();
	}

	public TextRange getValidationTextRange() {
	// TODO Auto-generated method stub
	return null;
	}
	}
	}