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/*******************************************************************************
* Copyright (c) 2007, 2010 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.jpa1.context.java;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.utility.Filter;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.jpa.core.context.BaseColumn;
import org.eclipse.jpt.jpa.core.context.NamedColumn;
import org.eclipse.jpt.jpa.core.context.ReadOnlyAttributeOverride;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeOverride;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeOverrideContainer;
import org.eclipse.jpt.jpa.core.context.java.JavaColumn;
import org.eclipse.jpt.jpa.core.context.java.JavaVirtualAttributeOverride;
import org.eclipse.jpt.jpa.core.internal.context.BaseColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.context.TypeMappingTools;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaOverride;
import org.eclipse.jpt.jpa.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.jpa.core.internal.validation.JpaValidationMessages;
import org.eclipse.jpt.jpa.core.resource.java.AttributeOverrideAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.CompleteColumnAnnotation;
import org.eclipse.jpt.jpa.db.Table;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
/**
* Specified Java attribute override
*/
public class GenericJavaAttributeOverride
extends AbstractJavaOverride<JavaAttributeOverrideContainer, AttributeOverrideAnnotation>
implements JavaAttributeOverride, JavaColumn.Owner
{
protected final JavaColumn column;
public GenericJavaAttributeOverride(JavaAttributeOverrideContainer parent, AttributeOverrideAnnotation annotation) {
super(parent, annotation);
this.column = this.buildColumn();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.column.synchronizeWithResourceModel();
}
@Override
public void update() {
super.update();
this.column.update();
}
// ********** specified/virtual **********
@Override
public JavaVirtualAttributeOverride convertToVirtual() {
return (JavaVirtualAttributeOverride) super.convertToVirtual();
}
// ********** column **********
public JavaColumn getColumn() {
return this.column;
}
protected JavaColumn buildColumn() {
return this.getJpaFactory().buildJavaColumn(this, this);
}
// ********** misc **********
public void initializeFrom(ReadOnlyAttributeOverride oldOverride) {
super.initializeFrom(oldOverride);
this.column.initializeFrom(oldOverride.getColumn());
}
public void initializeFromVirtual(ReadOnlyAttributeOverride oldOverride) {
super.initializeFromVirtual(oldOverride);
this.column.initializeFromVirtual(oldOverride.getColumn());
}
// ********** column owner implementation **********
public TypeMapping getTypeMapping() {
return this.getContainer().getTypeMapping();
}
public String getDefaultTableName() {
return this.getContainer().getDefaultTableName();
}
public Table resolveDbTable(String tableName) {
return this.getContainer().resolveDbTable(tableName);
}
public String getDefaultColumnName() {
return this.name;
}
public JptValidator buildColumnValidator(NamedColumn column, NamedColumnTextRangeResolver textRangeResolver) {
return this.getContainer().buildColumnValidator(this, (BaseColumn) column, this, (BaseColumnTextRangeResolver) textRangeResolver);
}
public boolean tableNameIsInvalid(String tableName) {
return this.getContainer().tableNameIsInvalid(tableName);
}
public Iterator<String> candidateTableNames() {
return this.getContainer().candidateTableNames();
}
public CompleteColumnAnnotation getColumnAnnotation() {
return this.getOverrideAnnotation().getNonNullColumn();
}
public void removeColumnAnnotation() {
this.getOverrideAnnotation().removeColumn();
}
// ********** mapped by relationship **********
protected boolean isMappedByRelationship() {
return CollectionTools.contains(this.getMappedByRelationshipAttributeNames(), this.buildQualifier());
}
protected Iterable<String> getMappedByRelationshipAttributeNames() {
return TypeMappingTools.getMappedByRelationshipAttributeNames(this.getTypeMapping());
}
/**
* overridable names are (usually?) qualified with a container mapping,
* which may also be the one mapped by a relationship
*/
protected String buildQualifier() {
if (this.name == null) {
return null;
}
int index = this.name.indexOf('.');
return (index == -1) ? this.name : this.name.substring(0, index);
}
// ********** Java completion proposals **********
@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.column.javaCompletionProposals(pos, filter, astRoot);
if (result != null) {
return result;
}
return null;
}
@Override
protected Iterator<String> candidateNames() {
return this.getContainer().allOverridableNames();
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
super.validate(messages, reporter, astRoot);
// [JPA 2.0] if the column is specified, or if the override is not mapped by a relationship,
// then the column is validated.
// (In JPA 1.0, the column will always be validated, since the override is never mapped by a
// relationship)
if (this.columnAnnotationIsSpecified() || ! this.isMappedByRelationship()) {
this.column.validate(messages, reporter, astRoot);
}
// [JPA 2.0] if the override is mapped by a relationship, then that actually is in itself
// a validation error
// (We prevent implied overrides that are mapped by a relationship ... hopefully)
// (In JPA 1.0, this will never occur)
if (this.isMappedByRelationship()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.ATTRIBUTE_OVERRIDE_MAPPED_BY_RELATIONSHIP_AND_SPECIFIED,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange(astRoot)
)
);
}
}
protected boolean columnAnnotationIsSpecified() {
return this.getOverrideAnnotation().getColumn() != null;
}
}
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