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, 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.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.TextRange;
 import org.eclipse.jpt.core.context.AbstractJoinColumn;
 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.JavaAbstractJoinColumn;
 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.NullPrimaryKeyJoinColumn;
 import org.eclipse.jpt.core.resource.java.PrimaryKeyJoinColumnAnnotation;
 import org.eclipse.jpt.core.resource.java.SecondaryTableAnnotation;
 import org.eclipse.jpt.db.internal.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;

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

 	protected JavaPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

 	protected SecondaryTableAnnotation secondaryTableResource;

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

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

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

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

 	@Override
 	protected SecondaryTableAnnotation tableResource() {
 		return this.secondaryTableResource;
 	}

 	@Override
 	protected String defaultName() {
 		return null;
 	}

 	//***************** 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 = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 		this.specifiedPrimaryKeyJoinColumns.add(index, primaryKeyJoinColumn);
 		PrimaryKeyJoinColumnAnnotation pkJoinColumnResource = this.secondaryTableResource.addPkJoinColumn(index);
 		primaryKeyJoinColumn.initializeFromResource(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);
 	}

 	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 = createPrimaryKeyJoinColumn(new NullPrimaryKeyJoinColumn(this.secondaryTableResource));
 		}
 		this.secondaryTableResource.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.secondaryTableResource.movePkJoinColumn(targetIndex, sourceIndex);
 		fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
 	}

 	public JavaEntity javaEntity() {
 		return parent();
 	}


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

 	public void initializeFromResource(SecondaryTableAnnotation secondaryTable) {
 		super.initializeFromResource(secondaryTable);
 		this.secondaryTableResource = secondaryTable;
 		this.initializeSpecifiedPrimaryKeyJoinColumns(secondaryTable);
 		this.initializeDefaultPrimaryKeyJoinColumn(secondaryTable);
 	}

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

 		while(annotations.hasNext()) {
 			JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 			primaryKeyJoinColumn.initializeFromResource(annotations.next());
 			this.specifiedPrimaryKeyJoinColumns.add(primaryKeyJoinColumn);
 		}
 	}

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

 	protected void initializeDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTable) {
 		if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
 			return;
 		}
 		this.defaultPrimaryKeyJoinColumn = this.jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 		this.defaultPrimaryKeyJoinColumn.initializeFromResource(new NullPrimaryKeyJoinColumn(secondaryTable));
 	}


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

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

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

 		while (resourcePrimaryKeyJoinColumns.hasNext()) {
 			addSpecifiedPrimaryKeyJoinColumn(specifiedPrimaryKeyJoinColumnsSize(), createPrimaryKeyJoinColumn(resourcePrimaryKeyJoinColumns.next()));
 		}
 	}

 	protected void updateDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTableResource) {
 		if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
 			setDefaultPrimaryKeyJoinColumn(null);
 			return;
 		}
 		if (getDefaultPrimaryKeyJoinColumn() == null) {
 			JavaPrimaryKeyJoinColumn joinColumn = this.jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 			joinColumn.initializeFromResource(new NullPrimaryKeyJoinColumn(secondaryTableResource));
 			this.setDefaultPrimaryKeyJoinColumn(joinColumn);
 		}
 		else {
 			this.defaultPrimaryKeyJoinColumn.update(new NullPrimaryKeyJoinColumn(secondaryTableResource));
 		}
 	}

 	protected JavaPrimaryKeyJoinColumn createPrimaryKeyJoinColumn(PrimaryKeyJoinColumnAnnotation primaryKeyJoinColumnResource) {
 		JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
 		primaryKeyJoinColumn.initializeFromResource(primaryKeyJoinColumnResource);
 		return primaryKeyJoinColumn;
 	}

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


 	//********************* 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 JavaAbstractJoinColumn.Owner
 	{
 		public TextRange validationTextRange(CompilationUnit astRoot) {
 			return GenericJavaSecondaryTable.this.validationTextRange(astRoot);
 		}

 		public TypeMapping typeMapping() {
 			return GenericJavaSecondaryTable.this.javaEntity();
 		}

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

 		public Table dbReferencedColumnTable() {
 			return typeMapping().primaryDbTable();
 		}

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

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

 		public String defaultColumnName() {
 			if (joinColumnsSize() != 1) {
 				return null;
 			}
 			return javaEntity().primaryKeyColumnName();

 		}
 	}

 }
	/*******************************************************************************
	* 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.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.TextRange;
	import org.eclipse.jpt.core.context.AbstractJoinColumn;
	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.JavaAbstractJoinColumn;
	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.NullPrimaryKeyJoinColumn;
	import org.eclipse.jpt.core.resource.java.PrimaryKeyJoinColumnAnnotation;
	import org.eclipse.jpt.core.resource.java.SecondaryTableAnnotation;
	import org.eclipse.jpt.db.internal.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;

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

	protected JavaPrimaryKeyJoinColumn defaultPrimaryKeyJoinColumn;

	protected SecondaryTableAnnotation secondaryTableResource;

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

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

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

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

	@Override
	protected SecondaryTableAnnotation tableResource() {
	return this.secondaryTableResource;
	}

	@Override
	protected String defaultName() {
	return null;
	}

	//*************** 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 = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	this.specifiedPrimaryKeyJoinColumns.add(index, primaryKeyJoinColumn);
	PrimaryKeyJoinColumnAnnotation pkJoinColumnResource = this.secondaryTableResource.addPkJoinColumn(index);
	primaryKeyJoinColumn.initializeFromResource(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);
	}

	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 = createPrimaryKeyJoinColumn(new NullPrimaryKeyJoinColumn(this.secondaryTableResource));
	}
	this.secondaryTableResource.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.secondaryTableResource.movePkJoinColumn(targetIndex, sourceIndex);
	fireItemMoved(SecondaryTable.SPECIFIED_PRIMARY_KEY_JOIN_COLUMNS_LIST, targetIndex, sourceIndex);
	}

	public JavaEntity javaEntity() {
	return parent();
	}


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

	public void initializeFromResource(SecondaryTableAnnotation secondaryTable) {
	super.initializeFromResource(secondaryTable);
	this.secondaryTableResource = secondaryTable;
	this.initializeSpecifiedPrimaryKeyJoinColumns(secondaryTable);
	this.initializeDefaultPrimaryKeyJoinColumn(secondaryTable);
	}

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

	while(annotations.hasNext()) {
	JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	primaryKeyJoinColumn.initializeFromResource(annotations.next());
	this.specifiedPrimaryKeyJoinColumns.add(primaryKeyJoinColumn);
	}
	}

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

	protected void initializeDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTable) {
	if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
	return;
	}
	this.defaultPrimaryKeyJoinColumn = this.jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	this.defaultPrimaryKeyJoinColumn.initializeFromResource(new NullPrimaryKeyJoinColumn(secondaryTable));
	}


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

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

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

	while (resourcePrimaryKeyJoinColumns.hasNext()) {
	addSpecifiedPrimaryKeyJoinColumn(specifiedPrimaryKeyJoinColumnsSize(), createPrimaryKeyJoinColumn(resourcePrimaryKeyJoinColumns.next()));
	}
	}

	protected void updateDefaultPrimaryKeyJoinColumn(SecondaryTableAnnotation secondaryTableResource) {
	if (!shouldBuildDefaultPrimaryKeyJoinColumn()) {
	setDefaultPrimaryKeyJoinColumn(null);
	return;
	}
	if (getDefaultPrimaryKeyJoinColumn() == null) {
	JavaPrimaryKeyJoinColumn joinColumn = this.jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	joinColumn.initializeFromResource(new NullPrimaryKeyJoinColumn(secondaryTableResource));
	this.setDefaultPrimaryKeyJoinColumn(joinColumn);
	}
	else {
	this.defaultPrimaryKeyJoinColumn.update(new NullPrimaryKeyJoinColumn(secondaryTableResource));
	}
	}

	protected JavaPrimaryKeyJoinColumn createPrimaryKeyJoinColumn(PrimaryKeyJoinColumnAnnotation primaryKeyJoinColumnResource) {
	JavaPrimaryKeyJoinColumn primaryKeyJoinColumn = jpaFactory().buildJavaPrimaryKeyJoinColumn(this, createPrimaryKeyJoinColumnOwner());
	primaryKeyJoinColumn.initializeFromResource(primaryKeyJoinColumnResource);
	return primaryKeyJoinColumn;
	}

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


	//******************* 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 JavaAbstractJoinColumn.Owner
	{
	public TextRange validationTextRange(CompilationUnit astRoot) {
	return GenericJavaSecondaryTable.this.validationTextRange(astRoot);
	}

	public TypeMapping typeMapping() {
	return GenericJavaSecondaryTable.this.javaEntity();
	}

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

	public Table dbReferencedColumnTable() {
	return typeMapping().primaryDbTable();
	}

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

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

	public String defaultColumnName() {
	if (joinColumnsSize() != 1) {
	return null;
	}
	return javaEntity().primaryKeyColumnName();

	}
	}

	}