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/*******************************************************************************
* Copyright (c) 2006, 2015 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.core.runtime.IProgressMonitor;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
import org.eclipse.jpt.jpa.core.context.FetchType;
import org.eclipse.jpt.jpa.core.context.java.JavaSpecifiedPersistentAttribute;
import org.eclipse.jpt.jpa.core.internal.jpa2.context.java.NullJavaDerivedIdentity2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaDerivedIdentity2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaSingleRelationshipMapping2_0;
import org.eclipse.jpt.jpa.core.resource.java.SingleRelationshipMappingAnnotation;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
/**
* Java single relationship mapping (1:1, m:1)
*/
public abstract class AbstractJavaSingleRelationshipMapping<A extends SingleRelationshipMappingAnnotation>
extends AbstractJavaRelationshipMapping<A>
implements JavaSingleRelationshipMapping2_0
{
protected Boolean specifiedOptional;
protected boolean defaultOptional = DEFAULT_OPTIONAL;
protected final JavaDerivedIdentity2_0 derivedIdentity;
protected AbstractJavaSingleRelationshipMapping(JavaSpecifiedPersistentAttribute parent) {
super(parent);
this.specifiedOptional = this.buildSpecifiedOptional();
this.derivedIdentity = this.buildDerivedIdentity();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.setSpecifiedOptional_(this.buildSpecifiedOptional());
this.derivedIdentity.synchronizeWithResourceModel();
}
@Override
public void update(IProgressMonitor monitor) {
super.update(monitor);
this.setDefaultOptional(this.buildDefaultOptional());
this.derivedIdentity.update(monitor);
}
// ********** optional **********
public boolean isOptional() {
return (this.specifiedOptional != null) ? this.specifiedOptional.booleanValue() : this.defaultOptional;
}
public Boolean getSpecifiedOptional() {
return this.specifiedOptional;
}
public void setSpecifiedOptional(Boolean optional) {
if (ObjectTools.notEquals(optional, this.specifiedOptional)) {
this.getAnnotationForUpdate().setOptional(optional);
this.setSpecifiedOptional_(optional);
}
}
protected void setSpecifiedOptional_(Boolean optional) {
Boolean old = this.specifiedOptional;
this.specifiedOptional = optional;
this.firePropertyChanged(SPECIFIED_OPTIONAL_PROPERTY, old, optional);
}
protected Boolean buildSpecifiedOptional() {
A annotation = this.getMappingAnnotation();
return (annotation == null) ? null : annotation.getOptional();
}
public boolean isDefaultOptional() {
return this.defaultOptional;
}
protected void setDefaultOptional(boolean optional) {
boolean old = this.defaultOptional;
this.defaultOptional = optional;
this.firePropertyChanged(DEFAULT_OPTIONAL_PROPERTY, old, optional);
}
protected boolean buildDefaultOptional() {
return DEFAULT_OPTIONAL;
}
// ********** derived identity **********
public JavaDerivedIdentity2_0 getDerivedIdentity() {
return this.derivedIdentity;
}
protected JavaDerivedIdentity2_0 buildDerivedIdentity() {
return this.isJpa2_0Compatible() ?
this.getJpaFactory2_0().buildJavaDerivedIdentity(this) :
new NullJavaDerivedIdentity2_0(this);
}
// ********** misc **********
@Override
protected FetchType buildDefaultFetch() {
return DEFAULT_FETCH_TYPE;
}
@Override
protected String buildDefaultTargetEntity() {
return this.getPersistentAttribute().getSingleReferenceTargetTypeName();
}
// ********** Java completion proposals **********
@Override
public Iterable<String> getCompletionProposals(int pos) {
Iterable<String> result = super.getCompletionProposals(pos);
if (result != null) {
return result;
}
result = this.derivedIdentity.getCompletionProposals(pos);
if (result != null) {
return result;
}
return null;
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
this.derivedIdentity.validate(messages, reporter);
}
}
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