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/*******************************************************************************
* Copyright (c) 2007, 2012 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 org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable;
import org.eclipse.jpt.jpa.core.context.JpaContextNode;
import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn;
import org.eclipse.jpt.jpa.core.context.java.JavaJoinColumn;
import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaBaseColumn;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaNamedColumn;
import org.eclipse.jpt.jpa.core.resource.java.CompleteJoinColumnAnnotation;
import org.eclipse.jpt.jpa.db.Column;
import org.eclipse.jpt.jpa.db.Table;
/**
* Java join column
*/
public class GenericJavaJoinColumn
extends AbstractJavaBaseColumn<CompleteJoinColumnAnnotation, ReadOnlyJoinColumn.Owner>
implements JavaJoinColumn
{
/** @see AbstractJavaNamedColumn#AbstractJavaNamedColumn(JavaJpaContextNode, org.eclipse.jpt.jpa.core.context.java.JavaReadOnlyNamedColumn.Owner, org.eclipse.jpt.jpa.core.resource.java.NamedColumnAnnotation) */
protected /* final */ CompleteJoinColumnAnnotation columnAnnotation; // never null
protected String specifiedReferencedColumnName;
protected String defaultReferencedColumnName;
public GenericJavaJoinColumn(JpaContextNode parent, ReadOnlyJoinColumn.Owner owner, CompleteJoinColumnAnnotation columnAnnotation) {
super(parent, owner, columnAnnotation);
}
@Override
protected void initialize(CompleteJoinColumnAnnotation columnAnnotation) {
super.initialize(columnAnnotation);
this.specifiedReferencedColumnName = this.buildSpecifiedReferencedColumnName(columnAnnotation);
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel(CompleteJoinColumnAnnotation columnAnnotation) {
super.synchronizeWithResourceModel(columnAnnotation);
this.setSpecifiedReferencedColumnName_(this.buildSpecifiedReferencedColumnName(columnAnnotation));
}
@Override
public void update() {
super.update();
this.setDefaultReferencedColumnName(this.buildDefaultReferencedColumnName());
}
// ********** column annotation **********
@Override
public CompleteJoinColumnAnnotation getColumnAnnotation() {
return this.columnAnnotation;
}
@Override
protected void setColumnAnnotation(CompleteJoinColumnAnnotation columnAnnotation) {
this.columnAnnotation = columnAnnotation;
}
@Override
protected void removeColumnAnnotation() {
// we don't remove a join column annotation when it is empty
}
// ********** referenced column name **********
public String getReferencedColumnName() {
return (this.specifiedReferencedColumnName != null) ? this.specifiedReferencedColumnName : this.defaultReferencedColumnName;
}
public String getSpecifiedReferencedColumnName() {
return this.specifiedReferencedColumnName;
}
public void setSpecifiedReferencedColumnName(String name) {
if (this.valuesAreDifferent(this.specifiedReferencedColumnName, name)) {
this.getColumnAnnotation().setReferencedColumnName(name);
this.removeColumnAnnotationIfUnset();
this.setSpecifiedReferencedColumnName_(name);
}
}
protected void setSpecifiedReferencedColumnName_(String name) {
String old = this.specifiedReferencedColumnName;
this.specifiedReferencedColumnName = name;
this.firePropertyChanged(SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, old, name);
}
protected String buildSpecifiedReferencedColumnName(CompleteJoinColumnAnnotation columnAnnotation) {
return columnAnnotation.getReferencedColumnName();
}
public String getDefaultReferencedColumnName() {
return this.defaultReferencedColumnName;
}
protected void setDefaultReferencedColumnName(String name) {
String old = this.defaultReferencedColumnName;
this.defaultReferencedColumnName = name;
this.firePropertyChanged(DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, old, name);
}
protected String buildDefaultReferencedColumnName() {
return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.owner);
}
// ********** database stuff **********
public Table getReferencedColumnDbTable() {
return this.owner.getReferencedColumnDbTable();
}
protected Column getReferencedDbColumn() {
Table table = this.getReferencedColumnDbTable();
return (table == null) ? null : table.getColumnForIdentifier(this.getReferencedColumnName());
}
public boolean referencedColumnIsResolved() {
return this.getReferencedDbColumn() != null;
}
// ********** misc **********
public void initializeFrom(ReadOnlyJoinColumn oldColumn) {
super.initializeFrom(oldColumn);
this.setSpecifiedReferencedColumnName(oldColumn.getSpecifiedReferencedColumnName());
}
public void initializeFromVirtual(ReadOnlyJoinColumn virtualColumn) {
super.initializeFromVirtual(virtualColumn);
this.setSpecifiedReferencedColumnName(virtualColumn.getReferencedColumnName());
}
// ********** Java completion proposals **********
@Override
protected Iterable<String> getConnectedCompletionProposals(int pos) {
Iterable<String> result = super.getConnectedCompletionProposals(pos);
if (result != null) {
return result;
}
if (this.referencedColumnNameTouches(pos)) {
return this.getJavaCandidateReferencedColumnNames();
}
return null;
}
protected boolean referencedColumnNameTouches(int pos) {
return this.getColumnAnnotation().referencedColumnNameTouches(pos);
}
protected Iterable<String> getJavaCandidateReferencedColumnNames() {
return StringTools.convertToJavaStringLiteralContents(this.getCandidateReferencedColumnNames());
}
protected Iterable<String> getCandidateReferencedColumnNames() {
Table table = this.owner.getReferencedColumnDbTable();
return (table != null) ? table.getSortedColumnIdentifiers() : EmptyIterable.<String> instance();
}
// ********** validation **********
public TextRange getReferencedColumnNameTextRange() {
return this.getValidationTextRange(this.getColumnAnnotation().getReferencedColumnNameTextRange());
}
}
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