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

 /*******************************************************************************
  * Copyright (c) 2006, 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.Iterator;
 import java.util.List;
 import org.eclipse.jdt.core.dom.CompilationUnit;
 import org.eclipse.jpt.core.MappingKeys;
 import org.eclipse.jpt.core.context.BasicMapping;
 import org.eclipse.jpt.core.context.ColumnMapping;
 import org.eclipse.jpt.core.context.EnumType;
 import org.eclipse.jpt.core.context.FetchType;
 import org.eclipse.jpt.core.context.Fetchable;
 import org.eclipse.jpt.core.context.Nullable;
 import org.eclipse.jpt.core.context.TemporalType;
 import org.eclipse.jpt.core.context.java.JavaBasicMapping;
 import org.eclipse.jpt.core.context.java.JavaColumn;
 import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
 import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
 import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
 import org.eclipse.jpt.core.resource.java.Basic;
 import org.eclipse.jpt.core.resource.java.ColumnAnnotation;
 import org.eclipse.jpt.core.resource.java.Enumerated;
 import org.eclipse.jpt.core.resource.java.JPA;
 import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute;
 import org.eclipse.jpt.core.resource.java.Lob;
 import org.eclipse.jpt.core.resource.java.Temporal;
 import org.eclipse.jpt.utility.internal.Filter;
 import org.eclipse.jpt.utility.internal.iterators.ArrayIterator;
 import org.eclipse.wst.validation.internal.provisional.core.IMessage;


 public class GenericJavaBasicMapping extends AbstractJavaAttributeMapping implements JavaBasicMapping
 {
 	protected FetchType specifiedFetch;

 	protected Boolean specifiedOptional;

 	protected EnumType specifiedEnumerated;

 	protected final JavaColumn column;

 	protected boolean lob;

 	protected TemporalType temporal;

 	public GenericJavaBasicMapping(JavaPersistentAttribute parent) {
 		super(parent);
 		this.column = createJavaColumn();
 	}

 	protected JavaColumn createJavaColumn() {
 		return jpaFactory().buildJavaColumn(this, this);
 	}

 	@Override
 	public void initializeFromResource(JavaResourcePersistentAttribute persistentAttributeResource) {
 		super.initializeFromResource(persistentAttributeResource);
 		this.column.initializeFromResource(this.columnResource());
 		Basic basicResource = this.mappingResource();
 		this.specifiedFetch = this.specifiedFetchType(basicResource);
 		this.specifiedOptional = this.specifiedOptional(basicResource);
 		this.specifiedEnumerated = this.specifiedEnumerated(this.enumeratedResource());
 		this.lob = this.lob(persistentAttributeResource);
 		this.temporal = this.temporal(this.temporalResource());
 	}

 	@Override
 	protected Basic mappingResource() {
 		return (Basic) this.persistentAttributeResource.nonNullMappingAnnotation(annotationName());
 	}

 	protected Enumerated enumeratedResource() {
 		return (Enumerated) this.persistentAttributeResource.nonNullAnnotation(Enumerated.ANNOTATION_NAME);
 	}

 	protected Temporal temporalResource() {
 		return (Temporal) this.persistentAttributeResource.nonNullAnnotation(Temporal.ANNOTATION_NAME);
 	}

 	public ColumnAnnotation columnResource() {
 		return (ColumnAnnotation) this.persistentAttributeResource.nonNullAnnotation(ColumnAnnotation.ANNOTATION_NAME);
 	}

 	//************** IJavaAttributeMapping implementation ***************
 	public String getKey() {
 		return MappingKeys.BASIC_ATTRIBUTE_MAPPING_KEY;
 	}

 	public String annotationName() {
 		return Basic.ANNOTATION_NAME;
 	}

 	public Iterator<String> correspondingAnnotationNames() {
 		return new ArrayIterator<String>(
 			JPA.COLUMN,
 			JPA.LOB,
 			JPA.TEMPORAL,
 			JPA.ENUMERATED);
 	}

 	public String defaultColumnName() {
 		return attributeName();
 	}

 	public String defaultTableName() {
 		return typeMapping().tableName();
 	}

 	//************** IBasicMapping implementation ***************

 	public JavaColumn getColumn() {
 		return this.column;
 	}

 	public FetchType getFetch() {
 		return (this.getSpecifiedFetch() == null) ? this.getDefaultFetch() : this.getSpecifiedFetch();
 	}

 	public FetchType getDefaultFetch() {
 		return BasicMapping.DEFAULT_FETCH_TYPE;
 	}

 	public FetchType getSpecifiedFetch() {
 		return this.specifiedFetch;
 	}

 	public void setSpecifiedFetch(FetchType newSpecifiedFetch) {
 		FetchType oldFetch = this.specifiedFetch;
 		this.specifiedFetch = newSpecifiedFetch;
 		this.mappingResource().setFetch(FetchType.toJavaResourceModel(newSpecifiedFetch));
 		firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
 	}

 	/**
 	 * internal setter used only for updating from the resource model.
 	 * There were problems with InvalidThreadAccess exceptions in the UI
 	 * when you set a value from the UI and the annotation doesn't exist yet.
 	 * Adding the annotation causes an update to occur and then the exception.
 	 */
 	protected void setSpecifiedFetch_(FetchType newSpecifiedFetch) {
 		FetchType oldFetch = this.specifiedFetch;
 		this.specifiedFetch = newSpecifiedFetch;
 		firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
 	}

 	public Boolean getOptional() {
 		return (this.getSpecifiedOptional() == null) ? this.getDefaultOptional() : this.getSpecifiedOptional();
 	}

 	public Boolean getDefaultOptional() {
 		return Nullable.DEFAULT_OPTIONAL;
 	}

 	public Boolean getSpecifiedOptional() {
 		return this.specifiedOptional;
 	}

 	public void setSpecifiedOptional(Boolean newSpecifiedOptional) {
 		Boolean oldOptional = this.specifiedOptional;
 		this.specifiedOptional = newSpecifiedOptional;
 		this.mappingResource().setOptional(newSpecifiedOptional);
 		firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, oldOptional, newSpecifiedOptional);
 	}


 	public boolean isLob() {
 		return this.lob;
 	}

 	public void setLob(boolean newLob) {
 		boolean oldLob = this.lob;
 		this.lob = newLob;
 		if (newLob) {
 			if (lobResource(this.persistentAttributeResource) == null) {
 				this.persistentAttributeResource.addAnnotation(Lob.ANNOTATION_NAME);
 			}
 		}
 		else {
 			if (lobResource(this.persistentAttributeResource) != null) {
 				this.persistentAttributeResource.removeAnnotation(Lob.ANNOTATION_NAME);
 			}
 		}
 		firePropertyChanged(BasicMapping.LOB_PROPERTY, oldLob, newLob);
 	}

 	public TemporalType getTemporal() {
 		return this.temporal;
 	}

 	public void setTemporal(TemporalType newTemporal) {
 		TemporalType oldTemporal = this.temporal;
 		this.temporal = newTemporal;
 		this.temporalResource().setValue(TemporalType.toJavaResourceModel(newTemporal));
 		firePropertyChanged(ColumnMapping.TEMPORAL_PROPERTY, oldTemporal, newTemporal);
 	}

 	/**
 	 * internal setter used only for updating from the resource model.
 	 * There were problems with InvalidThreadAccess exceptions in the UI
 	 * when you set a value from the UI and the annotation doesn't exist yet.
 	 * Adding the annotation causes an update to occur and then the exception.
 	 */
 	protected void setTemporal_(TemporalType newTemporal) {
 		TemporalType oldTemporal = this.temporal;
 		this.temporal = newTemporal;
 		firePropertyChanged(ColumnMapping.TEMPORAL_PROPERTY, oldTemporal, newTemporal);
 	}

 	public EnumType getEnumerated() {
 		return (this.getSpecifiedEnumerated() == null) ? this.getDefaultEnumerated() : this.getSpecifiedEnumerated();
 	}

 	public EnumType getDefaultEnumerated() {
 		return BasicMapping.DEFAULT_ENUMERATED;
 	}

 	public EnumType getSpecifiedEnumerated() {
 		return this.specifiedEnumerated;
 	}

 	public void setSpecifiedEnumerated(EnumType newSpecifiedEnumerated) {
 		EnumType oldEnumerated = this.specifiedEnumerated;
 		this.specifiedEnumerated = newSpecifiedEnumerated;
 		this.enumeratedResource().setValue(EnumType.toJavaResourceModel(newSpecifiedEnumerated));
 		firePropertyChanged(BasicMapping.SPECIFIED_ENUMERATED_PROPERTY, oldEnumerated, newSpecifiedEnumerated);
 	}

 	/**
 	 * internal setter used only for updating from the resource model.
 	 * There were problems with InvalidThreadAccess exceptions in the UI
 	 * when you set a value from the UI and the annotation doesn't exist yet.
 	 * Adding the annotation causes an update to occur and then the exception.
 	 */
 	protected void setSpecifiedEnumerated_(EnumType newSpecifiedEnumerated) {
 		EnumType oldEnumerated = this.specifiedEnumerated;
 		this.specifiedEnumerated = newSpecifiedEnumerated;
 		firePropertyChanged(BasicMapping.SPECIFIED_ENUMERATED_PROPERTY, oldEnumerated, newSpecifiedEnumerated);
 	}

 	@Override
 	public void update(JavaResourcePersistentAttribute persistentAttributeResource) {
 		super.update(persistentAttributeResource);
 		this.column.update(this.columnResource());
 		Basic basicResource = this.mappingResource();
 		this.setSpecifiedFetch_(this.specifiedFetchType(basicResource));
 		this.setSpecifiedOptional(this.specifiedOptional(basicResource));
 		this.setSpecifiedEnumerated_(this.specifiedEnumerated(this.enumeratedResource()));
 		this.setLob(this.lob(persistentAttributeResource));
 		this.setTemporal_(this.temporal(this.temporalResource()));
 	}


 	protected FetchType specifiedFetchType(Basic basic) {
 		return FetchType.fromJavaResourceModel(basic.getFetch());
 	}

 	protected Boolean specifiedOptional(Basic basic) {
 		return basic.getOptional();
 	}

 	protected EnumType specifiedEnumerated(Enumerated enumerated) {
 		return EnumType.fromJavaResourceModel(enumerated.getValue());
 	}

 	protected boolean lob(JavaResourcePersistentAttribute persistentAttributeResource) {
 		return lobResource(persistentAttributeResource) != null;
 	}

 	protected Lob lobResource(JavaResourcePersistentAttribute persistentAttributeResource) {
 		return (Lob) persistentAttributeResource.annotation(Lob.ANNOTATION_NAME);
 	}

 	protected TemporalType temporal(Temporal temporal) {
 		return TemporalType.fromJavaResourceModel(temporal.getValue());
 	}


 	@Override
 	public boolean isOverridableAttributeMapping() {
 		return true;
 	}

 	@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;
 		}
 		result = this.getColumn().javaCompletionProposals(pos, filter, astRoot);
 		if (result != null) {
 			return result;
 		}
 		return null;
 	}

 	// ************** Validation *************************************

 	@Override
 	public void addToMessages(List<IMessage> messages, CompilationUnit astRoot) {
 		super.addToMessages(messages ,astRoot);

 		addColumnMessages(messages, astRoot);
 	}

 	protected void addColumnMessages(List<IMessage> messages, CompilationUnit astRoot) {
 		JavaColumn column = this.getColumn();
 		String table = column.getTable();
 		boolean doContinue = entityOwned() && column.isConnected();

 		if (doContinue && this.typeMapping().tableNameIsInvalid(table)) {
 			messages.add(
 					DefaultJpaValidationMessages.buildMessage(
 						IMessage.HIGH_SEVERITY,
 						JpaValidationMessages.COLUMN_UNRESOLVED_TABLE,
 						new String[] {table, column.getName()},
 						column, column.tableTextRange(astRoot))
 				);
 			doContinue = false;
 		}

 		if (doContinue && ! column.isResolved()) {
 			messages.add(
 					DefaultJpaValidationMessages.buildMessage(
 						IMessage.HIGH_SEVERITY,
 						JpaValidationMessages.COLUMN_UNRESOLVED_NAME,
 						new String[] {column.getName()},
 						column, column.nameTextRange(astRoot))
 				);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 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.Iterator;
	import java.util.List;
	import org.eclipse.jdt.core.dom.CompilationUnit;
	import org.eclipse.jpt.core.MappingKeys;
	import org.eclipse.jpt.core.context.BasicMapping;
	import org.eclipse.jpt.core.context.ColumnMapping;
	import org.eclipse.jpt.core.context.EnumType;
	import org.eclipse.jpt.core.context.FetchType;
	import org.eclipse.jpt.core.context.Fetchable;
	import org.eclipse.jpt.core.context.Nullable;
	import org.eclipse.jpt.core.context.TemporalType;
	import org.eclipse.jpt.core.context.java.JavaBasicMapping;
	import org.eclipse.jpt.core.context.java.JavaColumn;
	import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
	import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
	import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
	import org.eclipse.jpt.core.resource.java.Basic;
	import org.eclipse.jpt.core.resource.java.ColumnAnnotation;
	import org.eclipse.jpt.core.resource.java.Enumerated;
	import org.eclipse.jpt.core.resource.java.JPA;
	import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute;
	import org.eclipse.jpt.core.resource.java.Lob;
	import org.eclipse.jpt.core.resource.java.Temporal;
	import org.eclipse.jpt.utility.internal.Filter;
	import org.eclipse.jpt.utility.internal.iterators.ArrayIterator;
	import org.eclipse.wst.validation.internal.provisional.core.IMessage;


	public class GenericJavaBasicMapping extends AbstractJavaAttributeMapping implements JavaBasicMapping
	{
	protected FetchType specifiedFetch;

	protected Boolean specifiedOptional;

	protected EnumType specifiedEnumerated;

	protected final JavaColumn column;

	protected boolean lob;

	protected TemporalType temporal;

	public GenericJavaBasicMapping(JavaPersistentAttribute parent) {
	super(parent);
	this.column = createJavaColumn();
	}

	protected JavaColumn createJavaColumn() {
	return jpaFactory().buildJavaColumn(this, this);
	}

	@Override
	public void initializeFromResource(JavaResourcePersistentAttribute persistentAttributeResource) {
	super.initializeFromResource(persistentAttributeResource);
	this.column.initializeFromResource(this.columnResource());
	Basic basicResource = this.mappingResource();
	this.specifiedFetch = this.specifiedFetchType(basicResource);
	this.specifiedOptional = this.specifiedOptional(basicResource);
	this.specifiedEnumerated = this.specifiedEnumerated(this.enumeratedResource());
	this.lob = this.lob(persistentAttributeResource);
	this.temporal = this.temporal(this.temporalResource());
	}

	@Override
	protected Basic mappingResource() {
	return (Basic) this.persistentAttributeResource.nonNullMappingAnnotation(annotationName());
	}

	protected Enumerated enumeratedResource() {
	return (Enumerated) this.persistentAttributeResource.nonNullAnnotation(Enumerated.ANNOTATION_NAME);
	}

	protected Temporal temporalResource() {
	return (Temporal) this.persistentAttributeResource.nonNullAnnotation(Temporal.ANNOTATION_NAME);
	}

	public ColumnAnnotation columnResource() {
	return (ColumnAnnotation) this.persistentAttributeResource.nonNullAnnotation(ColumnAnnotation.ANNOTATION_NAME);
	}

	//************ IJavaAttributeMapping implementation *************
	public String getKey() {
	return MappingKeys.BASIC_ATTRIBUTE_MAPPING_KEY;
	}

	public String annotationName() {
	return Basic.ANNOTATION_NAME;
	}

	public Iterator<String> correspondingAnnotationNames() {
	return new ArrayIterator<String>(
	JPA.COLUMN,
	JPA.LOB,
	JPA.TEMPORAL,
	JPA.ENUMERATED);
	}

	public String defaultColumnName() {
	return attributeName();
	}

	public String defaultTableName() {
	return typeMapping().tableName();
	}

	//************ IBasicMapping implementation *************

	public JavaColumn getColumn() {
	return this.column;
	}

	public FetchType getFetch() {
	return (this.getSpecifiedFetch() == null) ? this.getDefaultFetch() : this.getSpecifiedFetch();
	}

	public FetchType getDefaultFetch() {
	return BasicMapping.DEFAULT_FETCH_TYPE;
	}

	public FetchType getSpecifiedFetch() {
	return this.specifiedFetch;
	}

	public void setSpecifiedFetch(FetchType newSpecifiedFetch) {
	FetchType oldFetch = this.specifiedFetch;
	this.specifiedFetch = newSpecifiedFetch;
	this.mappingResource().setFetch(FetchType.toJavaResourceModel(newSpecifiedFetch));
	firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
	}

	/**
	* internal setter used only for updating from the resource model.
	* There were problems with InvalidThreadAccess exceptions in the UI
	* when you set a value from the UI and the annotation doesn't exist yet.
	* Adding the annotation causes an update to occur and then the exception.
	*/
	protected void setSpecifiedFetch_(FetchType newSpecifiedFetch) {
	FetchType oldFetch = this.specifiedFetch;
	this.specifiedFetch = newSpecifiedFetch;
	firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
	}

	public Boolean getOptional() {
	return (this.getSpecifiedOptional() == null) ? this.getDefaultOptional() : this.getSpecifiedOptional();
	}

	public Boolean getDefaultOptional() {
	return Nullable.DEFAULT_OPTIONAL;
	}

	public Boolean getSpecifiedOptional() {
	return this.specifiedOptional;
	}

	public void setSpecifiedOptional(Boolean newSpecifiedOptional) {
	Boolean oldOptional = this.specifiedOptional;
	this.specifiedOptional = newSpecifiedOptional;
	this.mappingResource().setOptional(newSpecifiedOptional);
	firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, oldOptional, newSpecifiedOptional);
	}


	public boolean isLob() {
	return this.lob;
	}

	public void setLob(boolean newLob) {
	boolean oldLob = this.lob;
	this.lob = newLob;
	if (newLob) {
	if (lobResource(this.persistentAttributeResource) == null) {
	this.persistentAttributeResource.addAnnotation(Lob.ANNOTATION_NAME);
	}
	}
	else {
	if (lobResource(this.persistentAttributeResource) != null) {
	this.persistentAttributeResource.removeAnnotation(Lob.ANNOTATION_NAME);
	}
	}
	firePropertyChanged(BasicMapping.LOB_PROPERTY, oldLob, newLob);
	}

	public TemporalType getTemporal() {
	return this.temporal;
	}

	public void setTemporal(TemporalType newTemporal) {
	TemporalType oldTemporal = this.temporal;
	this.temporal = newTemporal;
	this.temporalResource().setValue(TemporalType.toJavaResourceModel(newTemporal));
	firePropertyChanged(ColumnMapping.TEMPORAL_PROPERTY, oldTemporal, newTemporal);
	}

	/**
	* internal setter used only for updating from the resource model.
	* There were problems with InvalidThreadAccess exceptions in the UI
	* when you set a value from the UI and the annotation doesn't exist yet.
	* Adding the annotation causes an update to occur and then the exception.
	*/
	protected void setTemporal_(TemporalType newTemporal) {
	TemporalType oldTemporal = this.temporal;
	this.temporal = newTemporal;
	firePropertyChanged(ColumnMapping.TEMPORAL_PROPERTY, oldTemporal, newTemporal);
	}

	public EnumType getEnumerated() {
	return (this.getSpecifiedEnumerated() == null) ? this.getDefaultEnumerated() : this.getSpecifiedEnumerated();
	}

	public EnumType getDefaultEnumerated() {
	return BasicMapping.DEFAULT_ENUMERATED;
	}

	public EnumType getSpecifiedEnumerated() {
	return this.specifiedEnumerated;
	}

	public void setSpecifiedEnumerated(EnumType newSpecifiedEnumerated) {
	EnumType oldEnumerated = this.specifiedEnumerated;
	this.specifiedEnumerated = newSpecifiedEnumerated;
	this.enumeratedResource().setValue(EnumType.toJavaResourceModel(newSpecifiedEnumerated));
	firePropertyChanged(BasicMapping.SPECIFIED_ENUMERATED_PROPERTY, oldEnumerated, newSpecifiedEnumerated);
	}

	/**
	* internal setter used only for updating from the resource model.
	* There were problems with InvalidThreadAccess exceptions in the UI
	* when you set a value from the UI and the annotation doesn't exist yet.
	* Adding the annotation causes an update to occur and then the exception.
	*/
	protected void setSpecifiedEnumerated_(EnumType newSpecifiedEnumerated) {
	EnumType oldEnumerated = this.specifiedEnumerated;
	this.specifiedEnumerated = newSpecifiedEnumerated;
	firePropertyChanged(BasicMapping.SPECIFIED_ENUMERATED_PROPERTY, oldEnumerated, newSpecifiedEnumerated);
	}

	@Override
	public void update(JavaResourcePersistentAttribute persistentAttributeResource) {
	super.update(persistentAttributeResource);
	this.column.update(this.columnResource());
	Basic basicResource = this.mappingResource();
	this.setSpecifiedFetch_(this.specifiedFetchType(basicResource));
	this.setSpecifiedOptional(this.specifiedOptional(basicResource));
	this.setSpecifiedEnumerated_(this.specifiedEnumerated(this.enumeratedResource()));
	this.setLob(this.lob(persistentAttributeResource));
	this.setTemporal_(this.temporal(this.temporalResource()));
	}


	protected FetchType specifiedFetchType(Basic basic) {
	return FetchType.fromJavaResourceModel(basic.getFetch());
	}

	protected Boolean specifiedOptional(Basic basic) {
	return basic.getOptional();
	}

	protected EnumType specifiedEnumerated(Enumerated enumerated) {
	return EnumType.fromJavaResourceModel(enumerated.getValue());
	}

	protected boolean lob(JavaResourcePersistentAttribute persistentAttributeResource) {
	return lobResource(persistentAttributeResource) != null;
	}

	protected Lob lobResource(JavaResourcePersistentAttribute persistentAttributeResource) {
	return (Lob) persistentAttributeResource.annotation(Lob.ANNOTATION_NAME);
	}

	protected TemporalType temporal(Temporal temporal) {
	return TemporalType.fromJavaResourceModel(temporal.getValue());
	}


	@Override
	public boolean isOverridableAttributeMapping() {
	return true;
	}

	@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;
	}
	result = this.getColumn().javaCompletionProposals(pos, filter, astRoot);
	if (result != null) {
	return result;
	}
	return null;
	}

	// ************ Validation ***********************************

	@Override
	public void addToMessages(List<IMessage> messages, CompilationUnit astRoot) {
	super.addToMessages(messages ,astRoot);

	addColumnMessages(messages, astRoot);
	}

	protected void addColumnMessages(List<IMessage> messages, CompilationUnit astRoot) {
	JavaColumn column = this.getColumn();
	String table = column.getTable();
	boolean doContinue = entityOwned() && column.isConnected();

	if (doContinue && this.typeMapping().tableNameIsInvalid(table)) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.COLUMN_UNRESOLVED_TABLE,
	new String[] {table, column.getName()},
	column, column.tableTextRange(astRoot))
	);
	doContinue = false;
	}

	if (doContinue && ! column.isResolved()) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.COLUMN_UNRESOLVED_NAME,
	new String[] {column.getName()},
	column, column.nameTextRange(astRoot))
	);
	}
	}
	}