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

 /*******************************************************************************
  * Copyright (c) 2010, 2013 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.ObjectTools;
 import org.eclipse.jpt.common.utility.internal.iterable.EmptyIterable;
 import org.eclipse.jpt.common.utility.internal.iterable.EmptyListIterable;
 import org.eclipse.jpt.common.utility.internal.iterable.SingleElementListIterable;
 import org.eclipse.jpt.common.utility.internal.iterable.SuperListIterableWrapper;
 import org.eclipse.jpt.common.utility.iterable.ListIterable;
 import org.eclipse.jpt.jpa.core.context.Entity;
 import org.eclipse.jpt.jpa.core.context.JoinColumn;
 import org.eclipse.jpt.jpa.core.context.JoinTable;
 import org.eclipse.jpt.jpa.core.context.JpaContextModel;
 import org.eclipse.jpt.jpa.core.context.NamedColumn;
 import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
 import org.eclipse.jpt.jpa.core.context.SpecifiedPersistentAttribute;
 import org.eclipse.jpt.jpa.core.context.TypeMapping;
 import org.eclipse.jpt.jpa.core.context.VirtualJoinColumn;
 import org.eclipse.jpt.jpa.core.context.VirtualJoinTable;
 import org.eclipse.jpt.jpa.core.context.VirtualJoinTableRelationshipStrategy;
 import org.eclipse.jpt.jpa.core.context.VirtualRelationship;
 import org.eclipse.jpt.jpa.core.internal.context.JpaValidator;
 import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
 import org.eclipse.wst.validation.internal.provisional.core.IMessage;
 import org.eclipse.wst.validation.internal.provisional.core.IReporter;

 /**
  * <code>orm.xml</code> virtual join table
  */
 public class GenericOrmVirtualJoinTable
 	extends AbstractOrmVirtualReferenceTable<VirtualJoinTableRelationshipStrategy, VirtualJoinTable.ParentAdapter, JoinTable>
 	implements VirtualJoinTable
 {

 	protected final ContextListContainer<VirtualJoinColumn, JoinColumn> specifiedInverseJoinColumnContainer;
 	protected final JoinColumn.ParentAdapter inverseJoinColumnParentAdapter;

 	protected VirtualJoinColumn defaultInverseJoinColumn;


 	public GenericOrmVirtualJoinTable(VirtualJoinTable.ParentAdapter parentAdapter, JoinTable overriddenTable) {
 		super(parentAdapter, overriddenTable);
 		this.inverseJoinColumnParentAdapter = this.buildInverseJoinColumnParentAdapter();
 		this.specifiedInverseJoinColumnContainer = this.buildSpecifiedInverseJoinColumnContainer();
 	}


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

 	@Override
 	public void update() {
 		super.update();
 		this.updateSpecifiedInverseJoinColumns();
 		this.updateDefaultInverseJoinColumn();
 	}


 	// ********** inverse join columns **********

 	public ListIterable<VirtualJoinColumn> getInverseJoinColumns() {
 		return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumns() : this.getDefaultInverseJoinColumns();
 	}

 	public int getInverseJoinColumnsSize() {
 		return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumnsSize() : this.getDefaultInverseJoinColumnsSize();
 	}


 	// ********** specified inverse join columns **********

 	public ListIterable<VirtualJoinColumn> getSpecifiedInverseJoinColumns() {
 		return this.specifiedInverseJoinColumnContainer;
 	}

 	public int getSpecifiedInverseJoinColumnsSize() {
 		return this.specifiedInverseJoinColumnContainer.size();
 	}

 	public boolean hasSpecifiedInverseJoinColumns() {
 		return this.getSpecifiedInverseJoinColumnsSize() != 0;
 	}

 	public VirtualJoinColumn getSpecifiedInverseJoinColumn(int index) {
 		return this.specifiedInverseJoinColumnContainer.get(index);
 	}

 	protected void updateSpecifiedInverseJoinColumns() {
 		this.specifiedInverseJoinColumnContainer.update();
 	}

 	protected ListIterable<JoinColumn> getOverriddenInverseJoinColumns() {
 		return new SuperListIterableWrapper<JoinColumn>(this.getOverriddenTable().getSpecifiedInverseJoinColumns());
 	}

 	protected void moveSpecifiedInverseJoinColumn(int index, VirtualJoinColumn joinColumn) {
 		this.specifiedInverseJoinColumnContainer.move(index, joinColumn);
 	}

 	protected VirtualJoinColumn addSpecifiedInverseJoinColumn(int index, JoinColumn joinColumn) {
 		return this.specifiedInverseJoinColumnContainer.addContextElement(index, joinColumn);
 	}

 	protected void removeSpecifiedInverseJoinColumn(VirtualJoinColumn joinColumn) {
 		this.specifiedInverseJoinColumnContainer.remove(joinColumn);
 	}

 	protected ContextListContainer<VirtualJoinColumn, JoinColumn> buildSpecifiedInverseJoinColumnContainer() {
 		return this.buildVirtualContextListContainer(SPECIFIED_INVERSE_JOIN_COLUMNS_LIST, new SpecifiedInverseJoinColumnContainerAdapter());
 	}

 	/**
 	 * specified inverse join column container adapter
 	 */
 	public class SpecifiedInverseJoinColumnContainerAdapter
 		extends AbstractContainerAdapter<VirtualJoinColumn, JoinColumn>
 	{
 		public VirtualJoinColumn buildContextElement(JoinColumn resourceElement) {
 			return GenericOrmVirtualJoinTable.this.buildInverseJoinColumn(resourceElement);
 		}
 		public ListIterable<JoinColumn> getResourceElements() {
 			return GenericOrmVirtualJoinTable.this.getOverriddenInverseJoinColumns();
 		}
 		public JoinColumn extractResourceElement(VirtualJoinColumn contextElement) {
 			return contextElement.getOverriddenColumn();
 		}
 	}


 	// ********** default inverse join column **********

 	public VirtualJoinColumn getDefaultInverseJoinColumn() {
 		return this.defaultInverseJoinColumn;
 	}

 	protected void setDefaultInverseJoinColumn(VirtualJoinColumn joinColumn) {
 		VirtualJoinColumn old = this.defaultInverseJoinColumn;
 		this.defaultInverseJoinColumn = joinColumn;
 		this.firePropertyChanged(DEFAULT_INVERSE_JOIN_COLUMN, old, joinColumn);
 	}

 	protected ListIterable<VirtualJoinColumn> getDefaultInverseJoinColumns() {
 		return (this.defaultInverseJoinColumn != null) ?
 				new SingleElementListIterable<VirtualJoinColumn>(this.defaultInverseJoinColumn) :
 				EmptyListIterable.<VirtualJoinColumn>instance();
 	}

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

 	protected void updateDefaultInverseJoinColumn() {
 		if (this.buildsDefaultInverseJoinColumn()) {
 			if (this.defaultInverseJoinColumn == null) {
 				this.setDefaultInverseJoinColumn(this.buildInverseJoinColumn(this.getOverriddenTable().getDefaultInverseJoinColumn()));
 			} else {
 				this.defaultInverseJoinColumn.update();
 			}
 		} else {
 			this.setDefaultInverseJoinColumn(null);
 		}
 	}

 	protected boolean buildsDefaultInverseJoinColumn() {
 		return ! this.hasSpecifiedInverseJoinColumns();
 	}


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

 	protected VirtualJoinTableRelationshipStrategy getRelationshipStrategy() {
 		return this.parent;
 	}

 	@Override
 	protected JoinColumn.ParentAdapter buildJoinColumnParentAdapter() {
 		return new JoinColumnParentAdapter();
 	}

 	protected JoinColumn.ParentAdapter buildInverseJoinColumnParentAdapter() {
 		return new InverseJoinColumnParentAdapter();
 	}

 	protected VirtualJoinColumn buildInverseJoinColumn(JoinColumn joinColumn) {
 		return this.buildJoinColumn(this.inverseJoinColumnParentAdapter, joinColumn);
 	}

 	@Override
 	protected String buildDefaultName() {
 		return this.getRelationshipStrategy().getJoinTableDefaultName();
 	}

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

 	public SpecifiedPersistentAttribute getPersistentAttribute() {
 		return this.getRelationshipMapping().getPersistentAttribute();
 	}


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

 	@Override
 	protected void validateJoinColumns(List<IMessage> messages, IReporter reporter) {
 		super.validateJoinColumns(messages, reporter);
 		this.validateModels(this.getInverseJoinColumns(), messages, reporter);
 	}

 	public boolean validatesAgainstDatabase() {
 		return this.getRelationshipStrategy().validatesAgainstDatabase();
 	}


 	// ********** join column parent adapters **********

 	/**
 	 * just a little common behavior
 	 */
 	public abstract class AbstractJoinColumnParentAdapter
 		implements JoinColumn.ParentAdapter
 	{
 		public JpaContextModel getColumnParent() {
 			return GenericOrmVirtualJoinTable.this;
 		}

 		public String getDefaultColumnName(NamedColumn column) {
 			return MappingTools.buildJoinColumnDefaultName((JoinColumn) column, this);
 		}

 		/**
 		 * If there is a specified table name it needs to be the same
 		 * the default table name. The table is always the join table.
 		 */
 		public boolean tableNameIsInvalid(String tableName) {
 			return ObjectTools.notEquals(this.getDefaultTableName(), tableName);
 		}

 		/**
 		 * the join column can only be on the join table itself
 		 */
 		public Iterable<String> getCandidateTableNames() {
 			return EmptyIterable.instance();
 		}

 		public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
 			return ObjectTools.equals(GenericOrmVirtualJoinTable.this.getName(), tableName) ?
 					GenericOrmVirtualJoinTable.this.getDbTable() :
 					null;
 		}

 		/**
 		 * by default, the join column is, obviously, in the join table;
 		 * not sure whether it can be anywhere else...
 		 */
 		public String getDefaultTableName() {
 			return GenericOrmVirtualJoinTable.this.getName();
 		}

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

 		protected VirtualRelationship getRelationship() {
 			return this.getRelationshipStrategy().getRelationship();
 		}

 		protected VirtualJoinTableRelationshipStrategy getRelationshipStrategy() {
 			return GenericOrmVirtualJoinTable.this.getRelationshipStrategy();
 		}
 	}


 	/**
 	 * parent adapter for "back-pointer" join columns;
 	 * these point at the source/owning entity
 	 */
 	public class JoinColumnParentAdapter
 		extends AbstractJoinColumnParentAdapter
 	{
 		public Entity getRelationshipTarget() {
 			return this.getRelationship().getEntity();
 		}

 		public String getAttributeName() {
 			return MappingTools.getTargetAttributeName(GenericOrmVirtualJoinTable.this.getRelationshipMapping());
 		}

 		@Override
 		public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
 			org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName);
 			return (dbTable != null) ? dbTable : this.getTypeMapping().resolveDbTable(tableName);
 		}

 		public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() {
 			return this.getTypeMapping().getPrimaryDbTable();
 		}

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

 		public int getJoinColumnsSize() {
 			return GenericOrmVirtualJoinTable.this.getJoinColumnsSize();
 		}

 		public JpaValidator buildColumnValidator(NamedColumn column) {
 			return this.getRelationshipStrategy().buildJoinTableJoinColumnValidator((JoinColumn) column, this);
 		}
 	}


 	/**
 	 * parent adapter for "forward-pointer" join columns;
 	 * these point at the target/inverse entity
 	 */
 	public class InverseJoinColumnParentAdapter
 		extends AbstractJoinColumnParentAdapter
 	{
 		public Entity getRelationshipTarget() {
 			RelationshipMapping relationshipMapping = GenericOrmVirtualJoinTable.this.getRelationshipMapping();
 			return (relationshipMapping == null) ? null : relationshipMapping.getResolvedTargetEntity();
 		}

 		public String getAttributeName() {
 			RelationshipMapping relationshipMapping = GenericOrmVirtualJoinTable.this.getRelationshipMapping();
 			return (relationshipMapping == null) ? null : relationshipMapping.getName();
 		}

 		@Override
 		public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
 			org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName);
 			if (dbTable != null) {
 				return dbTable;
 			}
 			Entity relationshipTarget = this.getRelationshipTarget();
 			return (relationshipTarget == null) ? null : relationshipTarget.resolveDbTable(tableName);
 		}

 		public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() {
 			Entity relationshipTarget = this.getRelationshipTarget();
 			return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable();
 		}

 		public int getJoinColumnsSize() {
 			return GenericOrmVirtualJoinTable.this.getInverseJoinColumnsSize();
 		}

 		public JpaValidator buildColumnValidator(NamedColumn column) {
 			return this.getRelationshipStrategy().buildJoinTableInverseJoinColumnValidator((JoinColumn) column, this);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2010, 2013 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.ObjectTools;
	import org.eclipse.jpt.common.utility.internal.iterable.EmptyIterable;
	import org.eclipse.jpt.common.utility.internal.iterable.EmptyListIterable;
	import org.eclipse.jpt.common.utility.internal.iterable.SingleElementListIterable;
	import org.eclipse.jpt.common.utility.internal.iterable.SuperListIterableWrapper;
	import org.eclipse.jpt.common.utility.iterable.ListIterable;
	import org.eclipse.jpt.jpa.core.context.Entity;
	import org.eclipse.jpt.jpa.core.context.JoinColumn;
	import org.eclipse.jpt.jpa.core.context.JoinTable;
	import org.eclipse.jpt.jpa.core.context.JpaContextModel;
	import org.eclipse.jpt.jpa.core.context.NamedColumn;
	import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
	import org.eclipse.jpt.jpa.core.context.SpecifiedPersistentAttribute;
	import org.eclipse.jpt.jpa.core.context.TypeMapping;
	import org.eclipse.jpt.jpa.core.context.VirtualJoinColumn;
	import org.eclipse.jpt.jpa.core.context.VirtualJoinTable;
	import org.eclipse.jpt.jpa.core.context.VirtualJoinTableRelationshipStrategy;
	import org.eclipse.jpt.jpa.core.context.VirtualRelationship;
	import org.eclipse.jpt.jpa.core.internal.context.JpaValidator;
	import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
	import org.eclipse.wst.validation.internal.provisional.core.IMessage;
	import org.eclipse.wst.validation.internal.provisional.core.IReporter;

	/**
	* <code>orm.xml</code> virtual join table
	*/
	public class GenericOrmVirtualJoinTable
	extends AbstractOrmVirtualReferenceTable<VirtualJoinTableRelationshipStrategy, VirtualJoinTable.ParentAdapter, JoinTable>
	implements VirtualJoinTable
	{

	protected final ContextListContainer<VirtualJoinColumn, JoinColumn> specifiedInverseJoinColumnContainer;
	protected final JoinColumn.ParentAdapter inverseJoinColumnParentAdapter;

	protected VirtualJoinColumn defaultInverseJoinColumn;


	public GenericOrmVirtualJoinTable(VirtualJoinTable.ParentAdapter parentAdapter, JoinTable overriddenTable) {
	super(parentAdapter, overriddenTable);
	this.inverseJoinColumnParentAdapter = this.buildInverseJoinColumnParentAdapter();
	this.specifiedInverseJoinColumnContainer = this.buildSpecifiedInverseJoinColumnContainer();
	}


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

	@Override
	public void update() {
	super.update();
	this.updateSpecifiedInverseJoinColumns();
	this.updateDefaultInverseJoinColumn();
	}


	// ******** inverse join columns ********

	public ListIterable<VirtualJoinColumn> getInverseJoinColumns() {
	return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumns() : this.getDefaultInverseJoinColumns();
	}

	public int getInverseJoinColumnsSize() {
	return this.hasSpecifiedInverseJoinColumns() ? this.getSpecifiedInverseJoinColumnsSize() : this.getDefaultInverseJoinColumnsSize();
	}


	// ******** specified inverse join columns ********

	public ListIterable<VirtualJoinColumn> getSpecifiedInverseJoinColumns() {
	return this.specifiedInverseJoinColumnContainer;
	}

	public int getSpecifiedInverseJoinColumnsSize() {
	return this.specifiedInverseJoinColumnContainer.size();
	}

	public boolean hasSpecifiedInverseJoinColumns() {
	return this.getSpecifiedInverseJoinColumnsSize() != 0;
	}

	public VirtualJoinColumn getSpecifiedInverseJoinColumn(int index) {
	return this.specifiedInverseJoinColumnContainer.get(index);
	}

	protected void updateSpecifiedInverseJoinColumns() {
	this.specifiedInverseJoinColumnContainer.update();
	}

	protected ListIterable<JoinColumn> getOverriddenInverseJoinColumns() {
	return new SuperListIterableWrapper<JoinColumn>(this.getOverriddenTable().getSpecifiedInverseJoinColumns());
	}

	protected void moveSpecifiedInverseJoinColumn(int index, VirtualJoinColumn joinColumn) {
	this.specifiedInverseJoinColumnContainer.move(index, joinColumn);
	}

	protected VirtualJoinColumn addSpecifiedInverseJoinColumn(int index, JoinColumn joinColumn) {
	return this.specifiedInverseJoinColumnContainer.addContextElement(index, joinColumn);
	}

	protected void removeSpecifiedInverseJoinColumn(VirtualJoinColumn joinColumn) {
	this.specifiedInverseJoinColumnContainer.remove(joinColumn);
	}

	protected ContextListContainer<VirtualJoinColumn, JoinColumn> buildSpecifiedInverseJoinColumnContainer() {
	return this.buildVirtualContextListContainer(SPECIFIED_INVERSE_JOIN_COLUMNS_LIST, new SpecifiedInverseJoinColumnContainerAdapter());
	}

	/**
	* specified inverse join column container adapter
	*/
	public class SpecifiedInverseJoinColumnContainerAdapter
	extends AbstractContainerAdapter<VirtualJoinColumn, JoinColumn>
	{
	public VirtualJoinColumn buildContextElement(JoinColumn resourceElement) {
	return GenericOrmVirtualJoinTable.this.buildInverseJoinColumn(resourceElement);
	}
	public ListIterable<JoinColumn> getResourceElements() {
	return GenericOrmVirtualJoinTable.this.getOverriddenInverseJoinColumns();
	}
	public JoinColumn extractResourceElement(VirtualJoinColumn contextElement) {
	return contextElement.getOverriddenColumn();
	}
	}


	// ******** default inverse join column ********

	public VirtualJoinColumn getDefaultInverseJoinColumn() {
	return this.defaultInverseJoinColumn;
	}

	protected void setDefaultInverseJoinColumn(VirtualJoinColumn joinColumn) {
	VirtualJoinColumn old = this.defaultInverseJoinColumn;
	this.defaultInverseJoinColumn = joinColumn;
	this.firePropertyChanged(DEFAULT_INVERSE_JOIN_COLUMN, old, joinColumn);
	}

	protected ListIterable<VirtualJoinColumn> getDefaultInverseJoinColumns() {
	return (this.defaultInverseJoinColumn != null) ?
	new SingleElementListIterable<VirtualJoinColumn>(this.defaultInverseJoinColumn) :
	EmptyListIterable.<VirtualJoinColumn>instance();
	}

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

	protected void updateDefaultInverseJoinColumn() {
	if (this.buildsDefaultInverseJoinColumn()) {
	if (this.defaultInverseJoinColumn == null) {
	this.setDefaultInverseJoinColumn(this.buildInverseJoinColumn(this.getOverriddenTable().getDefaultInverseJoinColumn()));
	} else {
	this.defaultInverseJoinColumn.update();
	}
	} else {
	this.setDefaultInverseJoinColumn(null);
	}
	}

	protected boolean buildsDefaultInverseJoinColumn() {
	return ! this.hasSpecifiedInverseJoinColumns();
	}


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

	protected VirtualJoinTableRelationshipStrategy getRelationshipStrategy() {
	return this.parent;
	}

	@Override
	protected JoinColumn.ParentAdapter buildJoinColumnParentAdapter() {
	return new JoinColumnParentAdapter();
	}

	protected JoinColumn.ParentAdapter buildInverseJoinColumnParentAdapter() {
	return new InverseJoinColumnParentAdapter();
	}

	protected VirtualJoinColumn buildInverseJoinColumn(JoinColumn joinColumn) {
	return this.buildJoinColumn(this.inverseJoinColumnParentAdapter, joinColumn);
	}

	@Override
	protected String buildDefaultName() {
	return this.getRelationshipStrategy().getJoinTableDefaultName();
	}

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

	public SpecifiedPersistentAttribute getPersistentAttribute() {
	return this.getRelationshipMapping().getPersistentAttribute();
	}


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

	@Override
	protected void validateJoinColumns(List<IMessage> messages, IReporter reporter) {
	super.validateJoinColumns(messages, reporter);
	this.validateModels(this.getInverseJoinColumns(), messages, reporter);
	}

	public boolean validatesAgainstDatabase() {
	return this.getRelationshipStrategy().validatesAgainstDatabase();
	}


	// ******** join column parent adapters ********

	/**
	* just a little common behavior
	*/
	public abstract class AbstractJoinColumnParentAdapter
	implements JoinColumn.ParentAdapter
	{
	public JpaContextModel getColumnParent() {
	return GenericOrmVirtualJoinTable.this;
	}

	public String getDefaultColumnName(NamedColumn column) {
	return MappingTools.buildJoinColumnDefaultName((JoinColumn) column, this);
	}

	/**
	* If there is a specified table name it needs to be the same
	* the default table name. The table is always the join table.
	*/
	public boolean tableNameIsInvalid(String tableName) {
	return ObjectTools.notEquals(this.getDefaultTableName(), tableName);
	}

	/**
	* the join column can only be on the join table itself
	*/
	public Iterable<String> getCandidateTableNames() {
	return EmptyIterable.instance();
	}

	public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
	return ObjectTools.equals(GenericOrmVirtualJoinTable.this.getName(), tableName) ?
	GenericOrmVirtualJoinTable.this.getDbTable() :
	null;
	}

	/**
	* by default, the join column is, obviously, in the join table;
	* not sure whether it can be anywhere else...
	*/
	public String getDefaultTableName() {
	return GenericOrmVirtualJoinTable.this.getName();
	}

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

	protected VirtualRelationship getRelationship() {
	return this.getRelationshipStrategy().getRelationship();
	}

	protected VirtualJoinTableRelationshipStrategy getRelationshipStrategy() {
	return GenericOrmVirtualJoinTable.this.getRelationshipStrategy();
	}
	}


	/**
	* parent adapter for "back-pointer" join columns;
	* these point at the source/owning entity
	*/
	public class JoinColumnParentAdapter
	extends AbstractJoinColumnParentAdapter
	{
	public Entity getRelationshipTarget() {
	return this.getRelationship().getEntity();
	}

	public String getAttributeName() {
	return MappingTools.getTargetAttributeName(GenericOrmVirtualJoinTable.this.getRelationshipMapping());
	}

	@Override
	public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
	org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName);
	return (dbTable != null) ? dbTable : this.getTypeMapping().resolveDbTable(tableName);
	}

	public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() {
	return this.getTypeMapping().getPrimaryDbTable();
	}

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

	public int getJoinColumnsSize() {
	return GenericOrmVirtualJoinTable.this.getJoinColumnsSize();
	}

	public JpaValidator buildColumnValidator(NamedColumn column) {
	return this.getRelationshipStrategy().buildJoinTableJoinColumnValidator((JoinColumn) column, this);
	}
	}


	/**
	* parent adapter for "forward-pointer" join columns;
	* these point at the target/inverse entity
	*/
	public class InverseJoinColumnParentAdapter
	extends AbstractJoinColumnParentAdapter
	{
	public Entity getRelationshipTarget() {
	RelationshipMapping relationshipMapping = GenericOrmVirtualJoinTable.this.getRelationshipMapping();
	return (relationshipMapping == null) ? null : relationshipMapping.getResolvedTargetEntity();
	}

	public String getAttributeName() {
	RelationshipMapping relationshipMapping = GenericOrmVirtualJoinTable.this.getRelationshipMapping();
	return (relationshipMapping == null) ? null : relationshipMapping.getName();
	}

	@Override
	public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
	org.eclipse.jpt.jpa.db.Table dbTable = super.resolveDbTable(tableName);
	if (dbTable != null) {
	return dbTable;
	}
	Entity relationshipTarget = this.getRelationshipTarget();
	return (relationshipTarget == null) ? null : relationshipTarget.resolveDbTable(tableName);
	}

	public org.eclipse.jpt.jpa.db.Table getReferencedColumnDbTable() {
	Entity relationshipTarget = this.getRelationshipTarget();
	return (relationshipTarget == null) ? null : relationshipTarget.getPrimaryDbTable();
	}

	public int getJoinColumnsSize() {
	return GenericOrmVirtualJoinTable.this.getInverseJoinColumnsSize();
	}

	public JpaValidator buildColumnValidator(NamedColumn column) {
	return this.getRelationshipStrategy().buildJoinTableInverseJoinColumnValidator((JoinColumn) column, this);
	}
	}
	}