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/*******************************************************************************
* Copyright (c) 2009, 2013 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.context.java;
import java.util.List;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
import org.eclipse.jpt.jpa.core.context.VirtualJoinTable;
import org.eclipse.jpt.jpa.core.context.VirtualJoinTableRelationshipStrategy;
import org.eclipse.jpt.jpa.core.context.java.JavaJoinTableRelationship;
import org.eclipse.jpt.jpa.core.context.java.JavaSpecifiedJoinTable;
import org.eclipse.jpt.jpa.core.context.java.JavaSpecifiedJoinTableRelationshipStrategy;
import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
import org.eclipse.jpt.jpa.core.resource.java.JoinTableAnnotation;
import org.eclipse.jpt.jpa.core.validation.JptJpaCoreValidationArgumentMessages;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractJavaJoinTableRelationshipStrategy<P extends JavaJoinTableRelationship>
extends AbstractJavaContextModel<P>
implements JavaSpecifiedJoinTableRelationshipStrategy, JavaSpecifiedJoinTable.ParentAdapter
{
protected JavaSpecifiedJoinTable joinTable;
protected AbstractJavaJoinTableRelationshipStrategy(P parent) {
super(parent);
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
if (this.joinTable != null) {
this.joinTable.synchronizeWithResourceModel();
}
}
@Override
public void update() {
super.update();
this.updateJoinTable();
}
// ********** join table **********
public JavaSpecifiedJoinTable getJoinTable() {
return this.joinTable;
}
protected void setJoinTable(JavaSpecifiedJoinTable joinTable) {
JavaSpecifiedJoinTable old = this.joinTable;
this.joinTable = joinTable;
this.firePropertyChanged(JOIN_TABLE_PROPERTY, old, joinTable);
}
protected void updateJoinTable() {
if (this.buildsJoinTable()) {
if (this.joinTable == null) {
this.setJoinTable(this.buildJoinTable());
} else {
this.joinTable.update();
}
} else {
if (this.joinTable != null) {
this.setJoinTable(null);
}
}
}
/**
* The strategy can have a join table if either the table annotation is present
* or the [mapping] relationship supports a default join table.
*/
protected boolean buildsJoinTable() {
return this.getJoinTableAnnotation().isSpecified()
|| this.getRelationship().mayHaveDefaultJoinTable();
}
protected JavaSpecifiedJoinTable buildJoinTable() {
return this.getJpaFactory().buildJavaJoinTable(this);
}
// ********** join table annotation **********
protected abstract JoinTableAnnotation addJoinTableAnnotation();
protected abstract void removeJoinTableAnnotation();
// ********** misc **********
public JavaJoinTableRelationship getRelationship() {
return this.parent;
}
public RelationshipMapping getRelationshipMapping() {
return this.getRelationship().getMapping();
}
public void initializeFrom(VirtualJoinTableRelationshipStrategy virtualStrategy) {
VirtualJoinTable oldTable = virtualStrategy.getJoinTable();
if (oldTable != null) {
this.addStrategy();
this.joinTable.initializeFrom(oldTable);
}
}
public String getTableName() {
return (this.joinTable == null) ? null : this.joinTable.getName();
}
public org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName) {
return (this.joinTable == null) ? null : this.joinTable.getDbTable();
}
public boolean tableNameIsInvalid(String tableName) {
return ObjectTools.notEquals(this.getTableName(), tableName);
}
public String getColumnTableNotValidDescription() {
return JptJpaCoreValidationArgumentMessages.DOES_NOT_MATCH_JOIN_TABLE;
}
public String getJoinTableDefaultName() {
return MappingTools.buildJoinTableDefaultName(this.getRelationship());
}
public void addStrategy() {
if (this.joinTable == null) {
this.addJoinTableAnnotation();
this.setJoinTable(this.buildJoinTable());
}
}
public void removeStrategy() {
if (this.joinTable != null) {
if (this.getJoinTableAnnotation().isSpecified()) {
this.removeJoinTableAnnotation();
}
this.setJoinTable(null);
}
}
public JavaSpecifiedJoinTableRelationshipStrategy getTableParent() {
return this;
}
// ********** Java completion proposals **********
@Override
public Iterable<String> getCompletionProposals(int pos) {
Iterable<String> result = super.getCompletionProposals(pos);
if (result != null) {
return result;
}
if (this.joinTable != null) {
result = this.joinTable.getCompletionProposals(pos);
}
return result;
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
if (this.joinTable != null) {
this.joinTable.validate(messages, reporter);
}
}
public TextRange getValidationTextRange() {
return this.getRelationship().getValidationTextRange();
}
}
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