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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.core.internal.jpa1.context.java;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.context.BaseJoinColumn;
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.internal.context.java.AbstractJavaBaseColumn;
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.iterables.EmptyIterable;
import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
public class GenericJavaJoinColumn extends AbstractJavaBaseColumn<JoinColumnAnnotation> implements JavaJoinColumn
{
protected String specifiedReferencedColumnName;
protected String defaultReferencedColumnName;
public GenericJavaJoinColumn(JavaJpaContextNode parent, JavaJoinColumn.Owner owner) {
super(parent, owner);
}
@Override
public void initialize(JoinColumnAnnotation annotation) {
super.initialize(annotation);
this.specifiedReferencedColumnName = annotation.getReferencedColumnName();
this.defaultReferencedColumnName = this.buildDefaultReferencedColumnName();
}
@Override
public void update(JoinColumnAnnotation annotation) {
super.update(annotation);
this.setSpecifiedReferencedColumnName_(annotation.getReferencedColumnName());
this.setDefaultReferencedColumnName(this.buildDefaultReferencedColumnName());
}
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.getResourceColumn().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 getReferencedColumnDbTable() {
return getOwner().getReferencedColumnDbTable();
}
public Column getReferencedDbColumn() {
Table table = this.getReferencedColumnDbTable();
return (table == null) ? null : table.getColumnForIdentifier(this.getReferencedColumnName());
}
public boolean referencedColumnNameTouches(int pos, CompilationUnit astRoot) {
return getResourceColumn().referencedColumnNameTouches(pos, astRoot);
}
@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.getJavaCandidateReferencedColumnNames(filter).iterator();
}
return null;
}
private Iterable<String> getJavaCandidateReferencedColumnNames(Filter<String> filter) {
return StringTools.convertToJavaStringLiterals(this.getCandidateReferencedColumnNames(filter));
}
private Iterable<String> getCandidateReferencedColumnNames(Filter<String> filter) {
return new FilteringIterable<String>(this.getCandidateReferencedColumnNames(), filter);
}
private Iterable<String> getCandidateReferencedColumnNames() {
Table table = this.getOwner().getReferencedColumnDbTable();
return (table != null) ? table.getSortedColumnIdentifiers() : EmptyIterable.<String> instance();
}
public boolean isReferencedColumnResolved() {
return getReferencedDbColumn() != null;
}
public TextRange getReferencedColumnNameTextRange(CompilationUnit astRoot) {
TextRange textRange = getResourceColumn().getReferencedColumnNameTextRange(astRoot);
return (textRange != null) ? textRange : getOwner().getValidationTextRange(astRoot);
}
@Override
protected String buildDefaultName() {
return MappingTools.buildJoinColumnDefaultName(this, this.getOwner());
}
protected String buildDefaultReferencedColumnName() {
return MappingTools.buildJoinColumnDefaultReferencedColumnName(this.getOwner());
}
@Override
//this method will only be called if the table validates correctly
protected void validateName(List<IMessage> messages, CompilationUnit astRoot) {
this.validateJoinColumnName(messages, astRoot);
this.validateReferencedColumnName(messages, astRoot);
}
protected void validateJoinColumnName(List<IMessage> messages, CompilationUnit astRoot) {
if (getSpecifiedName() == null && this.getOwner().joinColumnsSize() > 1) {
messages.add(this.buildUnspecifiedNameMultipleJoinColumnsMessage(astRoot));
}
else if (this.getName() != null){
super.validateName(messages, astRoot);
}
//If the name is null and there is only one join-column, one of these validation messages will apply
// 1. target entity does not have a primary key
// 2. target entity is not specified
// 3. target entity is not an entity
}
protected void validateReferencedColumnName(List<IMessage> messages, CompilationUnit astRoot) {
if (getSpecifiedReferencedColumnName() == null && this.getOwner().joinColumnsSize() > 1) {
messages.add(this.buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(astRoot));
}
else if (this.getSpecifiedReferencedColumnName() != null) {
if (this.getReferencedColumnDbTable() != null && ! this.isReferencedColumnResolved()) {
messages.add(getOwner().buildUnresolvedReferencedColumnNameMessage(this, this.getReferencedColumnNameTextRange(astRoot)));
}
}
//If the referenced column name is null and there is only one join-column, one of these validation messages will apply
// 1. target entity does not have a primary key
// 2. target entity is not specified
// 3. target entity is not an entity
}
protected IMessage buildUnspecifiedNameMultipleJoinColumnsMessage(CompilationUnit astRoot) {
return getOwner().buildUnspecifiedNameMultipleJoinColumnsMessage(this, getNameTextRange(astRoot));
}
protected IMessage buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(CompilationUnit astRoot) {
return getOwner().buildUnspecifiedReferencedColumnNameMultipleJoinColumnsMessage(this, getReferencedColumnNameTextRange(astRoot));
}
}
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