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/*******************************************************************************
* 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.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.context.BaseJoinColumn;
import org.eclipse.jpt.core.context.RelationshipMapping;
import org.eclipse.jpt.core.context.java.JavaJoinColumn;
import org.eclipse.jpt.core.context.java.JavaJpaContextNode;
import org.eclipse.jpt.core.internal.context.MappingTools;
import org.eclipse.jpt.core.resource.java.JoinColumnAnnotation;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.db.Column;
import org.eclipse.jpt.db.Table;
import org.eclipse.jpt.utility.Filter;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
import org.eclipse.jpt.utility.internal.iterators.FilteringIterator;
public class GenericJavaJoinColumn extends AbstractJavaBaseColumn<JoinColumnAnnotation> implements JavaJoinColumn
{
protected String specifiedReferencedColumnName;
protected String defaultReferencedColumnName;
protected JoinColumnAnnotation joinColumn;
public GenericJavaJoinColumn(JavaJpaContextNode parent, JavaJoinColumn.Owner owner) {
super(parent, owner);
}
@Override
protected JoinColumnAnnotation getColumnResource() {
return this.joinColumn;
}
public String getReferencedColumnName() {
return (this.specifiedReferencedColumnName == null) ? this.defaultReferencedColumnName : this.specifiedReferencedColumnName;
}
public String getSpecifiedReferencedColumnName() {
return this.specifiedReferencedColumnName;
}
public void setSpecifiedReferencedColumnName(String newSpecifiedReferencedColumnName) {
String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName;
this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName;
this.joinColumn.setReferencedColumnName(newSpecifiedReferencedColumnName);
firePropertyChanged(BaseJoinColumn.SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName);
}
protected void setSpecifiedReferencedColumnName_(String newSpecifiedReferencedColumnName) {
String oldSpecifiedReferencedColumnName = this.specifiedReferencedColumnName;
this.specifiedReferencedColumnName = newSpecifiedReferencedColumnName;
firePropertyChanged(BaseJoinColumn.SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY, oldSpecifiedReferencedColumnName, newSpecifiedReferencedColumnName);
}
public String getDefaultReferencedColumnName() {
return this.defaultReferencedColumnName;
}
protected void setDefaultReferencedColumnName(String newDefaultReferencedColumnName) {
String oldDefaultReferencedColumnName = this.defaultReferencedColumnName;
this.defaultReferencedColumnName = newDefaultReferencedColumnName;
firePropertyChanged(BaseJoinColumn.DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY, oldDefaultReferencedColumnName, newDefaultReferencedColumnName);
}
@Override
public JavaJoinColumn.Owner getOwner() {
return (JavaJoinColumn.Owner) super.getOwner();
}
public boolean isVirtual() {
return getOwner().isVirtual(this);
}
public Table getDbReferencedColumnTable() {
return getOwner().getDbReferencedColumnTable();
}
public Column getDbReferencedColumn() {
Table table = this.getDbReferencedColumnTable();
return (table == null) ? null : table.columnNamed(this.getReferencedColumnName());
}
@Override
public boolean tableIsAllowed() {
return this.getOwner().tableIsAllowed();
}
public boolean referencedColumnNameTouches(int pos, CompilationUnit astRoot) {
return getColumnResource().referencedColumnNameTouches(pos, astRoot);
}
private Iterator<String> candidateReferencedColumnNames() {
Table table = this.getOwner().getDbReferencedColumnTable();
return (table != null) ? table.columnNames() : EmptyIterator.<String> instance();
}
private Iterator<String> candidateReferencedColumnNames(Filter<String> filter) {
return new FilteringIterator<String, String>(this.candidateReferencedColumnNames(), filter);
}
private Iterator<String> quotedCandidateReferencedColumnNames(Filter<String> filter) {
return StringTools.quote(this.candidateReferencedColumnNames(filter));
}
@Override
public Iterator<String> connectedJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
Iterator<String> result = super.connectedJavaCompletionProposals(pos, filter, astRoot);
if (result != null) {
return result;
}
if (this.referencedColumnNameTouches(pos, astRoot)) {
return this.quotedCandidateReferencedColumnNames(filter);
}
return null;
}
public boolean isReferencedColumnResolved() {
return getDbReferencedColumn() != null;
}
public TextRange getReferencedColumnNameTextRange(CompilationUnit astRoot) {
TextRange textRange = getColumnResource().getReferencedColumnNameTextRange(astRoot);
return (textRange != null) ? textRange : getOwner().getValidationTextRange(astRoot);
}
public TextRange getValidationTextRange(CompilationUnit astRoot) {
// TODO Auto-generated method stub
return null;
}
@Override
public void initializeFromResource(JoinColumnAnnotation joinColumn) {
this.joinColumn = joinColumn;
super.initializeFromResource(joinColumn);
this.specifiedReferencedColumnName = joinColumn.getReferencedColumnName();
this.defaultReferencedColumnName = this.defaultReferencedColumnName();
}
@Override
public void update(JoinColumnAnnotation joinColumn) {
this.joinColumn = joinColumn;
super.update(joinColumn);
this.setSpecifiedReferencedColumnName_(joinColumn.getReferencedColumnName());
this.setDefaultReferencedColumnName(this.defaultReferencedColumnName());
}
@Override
protected String defaultName() {
RelationshipMapping relationshipMapping = getOwner().getRelationshipMapping();
if (relationshipMapping == null) {
return null;
}
if (!getOwner().getRelationshipMapping().isRelationshipOwner()) {
return null;
}
return MappingTools.buildJoinColumnDefaultName(this);
}
protected String defaultReferencedColumnName() {
RelationshipMapping relationshipMapping = getOwner().getRelationshipMapping();
if (relationshipMapping == null) {
return null;
}
if (!getOwner().getRelationshipMapping().isRelationshipOwner()) {
return null;
}
return MappingTools.buildJoinColumnDefaultReferencedColumnName(this);
}
@Override
protected String defaultTable() {
RelationshipMapping relationshipMapping = getOwner().getRelationshipMapping();
if (relationshipMapping == null) {
return null;
}
if (!getOwner().getRelationshipMapping().isRelationshipOwner()) {
return null;
}
return super.defaultTable();
}
}
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