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

 /*******************************************************************************
  * Copyright (c) 2007, 2009 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.java;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.ListIterator;
 import org.eclipse.jdt.core.dom.CompilationUnit;
 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.java.JavaBaseJoinColumn;
 import org.eclipse.jpt.core.context.java.JavaEntity;
 import org.eclipse.jpt.core.context.java.JavaPrimaryKeyJoinColumn;
 import org.eclipse.jpt.core.context.java.JavaSecondaryTable;
 import org.eclipse.jpt.core.internal.resource.java.NullPrimaryKeyJoinColumnAnnotation;
 import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
 import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
 import org.eclipse.jpt.core.resource.java.PrimaryKeyJoinColumnAnnotation;
 import org.eclipse.jpt.core.resource.java.SecondaryTableAnnotation;
 import org.eclipse.jpt.core.utility.TextRange;
 import org.eclipse.jpt.db.Table;
 import org.eclipse.jpt.utility.Filter;
 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;
 import org.eclipse.wst.validation.internal.provisional.core.IReporter;

 /**
  *
  */
 public class GenericJavaSecondaryTable
 	extends AbstractJavaTable
 	implements JavaSecondaryTable
 {
 	protected final List<JavaPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns;

 	protected JavaPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

 	protected SecondaryTableAnnotation resourceSecondaryTable;

 	public GenericJavaSecondaryTable(JavaEntity parent) {
 		super(parent);
 		this.specifiedPrimaryKeyJoinColumns = new ArrayList<JavaPrimaryKeyJoinColumn>();
 	}

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


 	//***************** AbstractJavaTable implementation ********************

 	@Override
 	protected String getAnnotationName() {
 		return SecondaryTableAnnotation.ANNOTATION_NAME;
 	}

 	@Override
 	protected SecondaryTableAnnotation getResourceTable() {
 		return this.resourceSecondaryTable;
 	}

 	public boolean isResourceSpecified() {
 		return true;
 	}

 	// 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();
 	}


 	//***************** ISecondaryTable implementation ********************

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

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

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

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

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

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

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

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

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

 	public JavaPrimaryKeyJoinColumn addSpecifiedPrimaryKeyJoinColumn(int index) {
 		JavaPrimaryKeyJoinColumn 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;
 		}
 		JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = getJpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 		this.specifiedPrimaryKeyJoinColumns.add(index, primaryKeyJoinColumn);
 		PrimaryKeyJoinColumnAnnotation pkJoinColumnResource = this.resourceSecondaryTable.addPkJoinColumn(index);
 		primaryKeyJoinColumn.initialize(pkJoinColumnResource);
 		this.fireItemAdded(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, primaryKeyJoinColumn);
 		if (oldDefaultPkJoinColumn != null) {
 			this.firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldDefaultPkJoinColumn, null);
 		}
 		return primaryKeyJoinColumn;
 	}

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

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

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

 	public void removeSpecifiedPrimaryKeyJoinColumn(int index) {
 		JavaPrimaryKeyJoinColumn 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(new NullPrimaryKeyJoinColumnAnnotation(this.resourceSecondaryTable));
 		}
 		this.resourceSecondaryTable.removePkJoinColumn(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_(JavaPrimaryKeyJoinColumn 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.resourceSecondaryTable.movePkJoinColumn(targetIndex, sourceIndex);
 		fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
 	}

 	public JavaEntity getJavaEntity() {
 		return getParent();
 	}


 	//********************* updating ************************

 	public void initialize(SecondaryTableAnnotation secondaryTable) {
 		super.initialize(secondaryTable);
 		this.resourceSecondaryTable = secondaryTable;
 		this.initializeSpecifiedPrimaryKeyJoinColumns(secondaryTable);
 		this.initializeDefaultPrimaryKeyJoinColumn(secondaryTable);
 	}

 	protected void initializeSpecifiedPrimaryKeyJoinColumns(SecondaryTableAnnotation secondaryTable) {
 		ListIterator<PrimaryKeyJoinColumnAnnotation> annotations = secondaryTable.pkJoinColumns();

 		while(annotations.hasNext()) {
 			this.specifiedPrimaryKeyJoinColumns.add(buildPrimaryKeyJoinColumn(annotations.next()));
 		}
 	}

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

 	protected void initializeDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTable) {
 		if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
 			return;
 		}
 		this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(new NullPrimaryKeyJoinColumnAnnotation(secondaryTable));
 	}


 	public void update(SecondaryTableAnnotation sta) {
 		this.resourceSecondaryTable = sta;
 		super.update(sta);
 		this.updateSpecifiedPrimaryKeyJoinColumns(sta);
 		this.updateDefaultPrimaryKeyJoinColumn(sta);
 	}

 	protected void updateSpecifiedPrimaryKeyJoinColumns(SecondaryTableAnnotation sta) {
 		ListIterator<JavaPrimaryKeyJoinColumn> primaryKeyJoinColumns = specifiedPrimaryKeyJoinColumns();
 		ListIterator<PrimaryKeyJoinColumnAnnotation> resourcePrimaryKeyJoinColumns = sta.pkJoinColumns();

 		while (primaryKeyJoinColumns.hasNext()) {
 			JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = primaryKeyJoinColumns.next();
 			if (resourcePrimaryKeyJoinColumns.hasNext()) {
 				primaryKeyJoinColumn.update(resourcePrimaryKeyJoinColumns.next());
 			}
 			else {
 				removeSpecifiedPrimaryKeyJoinColumn_(primaryKeyJoinColumn);
 			}
 		}

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

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

 	protected JavaPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(PrimaryKeyJoinColumnAnnotation resourcePrimaryKeyJoinColumn) {
 		JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = getJpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 		primaryKeyJoinColumn.initialize(resourcePrimaryKeyJoinColumn);
 		return primaryKeyJoinColumn;
 	}

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


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

 	@Override
 	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
 		super.validate(messages, reporter, astRoot);
 		if (this.connectionProfileIsActive()) {
 			this.validateAgainstDatabase(messages, astRoot);
 		}
 		for (Iterator<JavaPrimaryKeyJoinColumn> stream = this.primaryKeyJoinColumns(); stream.hasNext(); ) {
 			stream.next().validate(messages, reporter, astRoot);
 		}
 	}

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

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


 	// ********** code completion **********

 	@Override
 	public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
 		Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot);
 		if (result != null) {
 			return result;
 		}
 		for (JavaPrimaryKeyJoinColumn column : CollectionTools.iterable(this.primaryKeyJoinColumns())) {
 			result = column.javaCompletionProposals(pos, filter, astRoot);
 			if (result != null) {
 				return result;
 			}
 		}
 		return null;
 	}

 	public boolean isVirtual() {
 		return false;
 	}

 	class PrimaryKeyJoinColumnOwner implements JavaBaseJoinColumn.Owner
 	{
 		public TextRange getValidationTextRange(CompilationUnit astRoot) {
 			return GenericJavaSecondaryTable.this.getValidationTextRange(astRoot);
 		}

 		public TypeMapping getTypeMapping() {
 			return GenericJavaSecondaryTable.this.getJavaEntity();
 		}

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

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

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

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

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

 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2009 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.java;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.ListIterator;
	import org.eclipse.jdt.core.dom.CompilationUnit;
	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.java.JavaBaseJoinColumn;
	import org.eclipse.jpt.core.context.java.JavaEntity;
	import org.eclipse.jpt.core.context.java.JavaPrimaryKeyJoinColumn;
	import org.eclipse.jpt.core.context.java.JavaSecondaryTable;
	import org.eclipse.jpt.core.internal.resource.java.NullPrimaryKeyJoinColumnAnnotation;
	import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
	import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
	import org.eclipse.jpt.core.resource.java.PrimaryKeyJoinColumnAnnotation;
	import org.eclipse.jpt.core.resource.java.SecondaryTableAnnotation;
	import org.eclipse.jpt.core.utility.TextRange;
	import org.eclipse.jpt.db.Table;
	import org.eclipse.jpt.utility.Filter;
	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;
	import org.eclipse.wst.validation.internal.provisional.core.IReporter;

	/**
	*
	*/
	public class GenericJavaSecondaryTable
	extends AbstractJavaTable
	implements JavaSecondaryTable
	{
	protected final List<JavaPrimaryKeyJoinColumn> specifiedPrimaryKeyJoinColumns;

	protected JavaPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

	protected SecondaryTableAnnotation resourceSecondaryTable;

	public GenericJavaSecondaryTable(JavaEntity parent) {
	super(parent);
	this.specifiedPrimaryKeyJoinColumns = new ArrayList<JavaPrimaryKeyJoinColumn>();
	}

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


	//*************** AbstractJavaTable implementation ******************

	@Override
	protected String getAnnotationName() {
	return SecondaryTableAnnotation.ANNOTATION_NAME;
	}

	@Override
	protected SecondaryTableAnnotation getResourceTable() {
	return this.resourceSecondaryTable;
	}

	public boolean isResourceSpecified() {
	return true;
	}

	// 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();
	}


	//*************** ISecondaryTable implementation ******************

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

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

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

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

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

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

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

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

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

	public JavaPrimaryKeyJoinColumn addSpecifiedPrimaryKeyJoinColumn(int index) {
	JavaPrimaryKeyJoinColumn 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;
	}
	JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = getJpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	this.specifiedPrimaryKeyJoinColumns.add(index, primaryKeyJoinColumn);
	PrimaryKeyJoinColumnAnnotation pkJoinColumnResource = this.resourceSecondaryTable.addPkJoinColumn(index);
	primaryKeyJoinColumn.initialize(pkJoinColumnResource);
	this.fireItemAdded(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, index, primaryKeyJoinColumn);
	if (oldDefaultPkJoinColumn != null) {
	this.firePropertyChanged(SecondaryTable.DEFAULT_PRIMARY_KEY_JOIN_COLUMN, oldDefaultPkJoinColumn, null);
	}
	return primaryKeyJoinColumn;
	}

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

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

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

	public void removeSpecifiedPrimaryKeyJoinColumn(int index) {
	JavaPrimaryKeyJoinColumn 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(new NullPrimaryKeyJoinColumnAnnotation(this.resourceSecondaryTable));
	}
	this.resourceSecondaryTable.removePkJoinColumn(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_(JavaPrimaryKeyJoinColumn 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.resourceSecondaryTable.movePkJoinColumn(targetIndex, sourceIndex);
	fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
	}

	public JavaEntity getJavaEntity() {
	return getParent();
	}


	//******************* updating **********************

	public void initialize(SecondaryTableAnnotation secondaryTable) {
	super.initialize(secondaryTable);
	this.resourceSecondaryTable = secondaryTable;
	this.initializeSpecifiedPrimaryKeyJoinColumns(secondaryTable);
	this.initializeDefaultPrimaryKeyJoinColumn(secondaryTable);
	}

	protected void initializeSpecifiedPrimaryKeyJoinColumns(SecondaryTableAnnotation secondaryTable) {
	ListIterator<PrimaryKeyJoinColumnAnnotation> annotations = secondaryTable.pkJoinColumns();

	while(annotations.hasNext()) {
	this.specifiedPrimaryKeyJoinColumns.add(buildPrimaryKeyJoinColumn(annotations.next()));
	}
	}

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

	protected void initializeDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTable) {
	if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
	return;
	}
	this.defaultPrimaryKeyJoinColumn = buildPrimaryKeyJoinColumn(new NullPrimaryKeyJoinColumnAnnotation(secondaryTable));
	}


	public void update(SecondaryTableAnnotation sta) {
	this.resourceSecondaryTable = sta;
	super.update(sta);
	this.updateSpecifiedPrimaryKeyJoinColumns(sta);
	this.updateDefaultPrimaryKeyJoinColumn(sta);
	}

	protected void updateSpecifiedPrimaryKeyJoinColumns(SecondaryTableAnnotation sta) {
	ListIterator<JavaPrimaryKeyJoinColumn> primaryKeyJoinColumns = specifiedPrimaryKeyJoinColumns();
	ListIterator<PrimaryKeyJoinColumnAnnotation> resourcePrimaryKeyJoinColumns = sta.pkJoinColumns();

	while (primaryKeyJoinColumns.hasNext()) {
	JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = primaryKeyJoinColumns.next();
	if (resourcePrimaryKeyJoinColumns.hasNext()) {
	primaryKeyJoinColumn.update(resourcePrimaryKeyJoinColumns.next());
	}
	else {
	removeSpecifiedPrimaryKeyJoinColumn_(primaryKeyJoinColumn);
	}
	}

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

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

	protected JavaPrimaryKeyJoinColumn buildPrimaryKeyJoinColumn(PrimaryKeyJoinColumnAnnotation resourcePrimaryKeyJoinColumn) {
	JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = getJpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	primaryKeyJoinColumn.initialize(resourcePrimaryKeyJoinColumn);
	return primaryKeyJoinColumn;
	}

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


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

	@Override
	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
	super.validate(messages, reporter, astRoot);
	if (this.connectionProfileIsActive()) {
	this.validateAgainstDatabase(messages, astRoot);
	}
	for (Iterator<JavaPrimaryKeyJoinColumn> stream = this.primaryKeyJoinColumns(); stream.hasNext(); ) {
	stream.next().validate(messages, reporter, astRoot);
	}
	}

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

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


	// ******** code completion ********

	@Override
	public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
	Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot);
	if (result != null) {
	return result;
	}
	for (JavaPrimaryKeyJoinColumn column : CollectionTools.iterable(this.primaryKeyJoinColumns())) {
	result = column.javaCompletionProposals(pos, filter, astRoot);
	if (result != null) {
	return result;
	}
	}
	return null;
	}

	public boolean isVirtual() {
	return false;
	}

	class PrimaryKeyJoinColumnOwner implements JavaBaseJoinColumn.Owner
	{
	public TextRange getValidationTextRange(CompilationUnit astRoot) {
	return GenericJavaSecondaryTable.this.getValidationTextRange(astRoot);
	}

	public TypeMapping getTypeMapping() {
	return GenericJavaSecondaryTable.this.getJavaEntity();
	}

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

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

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

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

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

	}
	}

	}