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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.context.java;
import java.io.Serializable;
import java.util.List;
import org.eclipse.jpt.common.core.internal.utility.JDTTools;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable;
import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.jpa.core.MappingKeys;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeOverrideContainer;
import org.eclipse.jpt.jpa.core.context.java.JavaEmbeddedIdMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaBaseEmbeddedMapping;
import org.eclipse.jpt.jpa.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.jpa.core.internal.validation.JpaValidationMessages;
import org.eclipse.jpt.jpa.core.jpa2.context.EmbeddedIdMapping2_0;
import org.eclipse.jpt.jpa.core.resource.java.EmbeddedIdAnnotation;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
/**
* Java embedded ID mapping
*/
public abstract class AbstractJavaEmbeddedIdMapping
extends AbstractJavaBaseEmbeddedMapping<EmbeddedIdAnnotation>
implements EmbeddedIdMapping2_0, JavaEmbeddedIdMapping
{
/* JPA 2.0 - the embedded id may be derived from a relationship */
protected boolean derived;
protected AbstractJavaEmbeddedIdMapping(JavaPersistentAttribute parent) {
super(parent);
}
// ********** synchronize/update **********
@Override
public void update() {
super.update();
this.setDerived(this.buildDerived());
}
// ********** derived **********
public boolean isDerived() {
return this.derived;
}
protected void setDerived(boolean derived) {
boolean old = this.derived;
this.derived = derived;
this.firePropertyChanged(DERIVED_PROPERTY, old, derived);
}
protected boolean buildDerived() {
return this.isJpa2_0Compatible() && this.buildDerived_();
}
protected boolean buildDerived_() {
return this.getTypeMapping().attributeIsDerivedId(this.getName());
}
// ********** misc **********
public String getKey() {
return MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY;
}
@Override
protected String getAnnotationName() {
return EmbeddedIdAnnotation.ANNOTATION_NAME;
}
@Override
protected Iterable<String> getEmbeddableOverridableAttributeMappingNames() {
return (this.derived) ?
EmptyIterable.<String>instance() :
super.getEmbeddableOverridableAttributeMappingNames();
}
@Override
protected JavaAttributeOverrideContainer.Owner buildAttributeOverrideContainerOwner() {
return new AttributeOverrideContainerOwner();
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
// [JPA 2.0] if the embedded id is mapped by a relationship, then any specified
// attribute overrides are in error
// (in JPA 1.0, this will obviously never be reached)
if (this.derived
&& (this.attributeOverrideContainer.getSpecifiedOverridesSize() > 0)) {
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_MAPPING_MAPPED_BY_RELATIONSHIP_AND_ATTRIBUTE_OVERRIDES_SPECIFIED,
new String[] {this.getName()},
this.attributeOverrideContainer,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_MAPPING_MAPPED_BY_RELATIONSHIP_AND_ATTRIBUTE_OVERRIDES_SPECIFIED,
EMPTY_STRING_ARRAY,
this.attributeOverrideContainer,
this.attributeOverrideContainer.getValidationTextRange()
)
);
}
}
validateTargetEmbeddableImplementsSerializable(messages, reporter);
validateNoRelationshipMappingsOnTargetEmbeddable(messages, reporter);
validateTargetEmbeddableImplementsEqualsAndHashcode(messages, reporter);
validateTargetEmbeddableIsPublic(messages, reporter);
validateTargetEmbeddableImplementsZeroArgConstructor(messages, reporter);
}
protected void validateTargetEmbeddableImplementsZeroArgConstructor(List<IMessage> messages, IReporter reporter) {
if (this.getTargetEmbeddable() != null) {
String targetEmbeddableClassName = this.getTargetEmbeddable().getPersistentType().getName();
if (!JDTTools.classHasPublicZeroArgConstructor(this.getJavaProject(), targetEmbeddableClassName)){
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_NO_ARG_CONSTRUCTOR,
new String[] {this.getName()},
this,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_NO_ARG_CONSTRUCTOR,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange()
)
);
}
}
}
}
protected void validateTargetEmbeddableImplementsEqualsAndHashcode(List<IMessage> messages, IReporter reporter) {
if (this.getTargetEmbeddable() != null) {
JavaResourceType resourceType = getTargetEmbeddable().getJavaResourceType();
if (resourceType != null
&& (!resourceType.hasHashCodeMethod() || !resourceType.hasEqualsMethod())) {
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_EQUALS_HASHCODE,
new String[] {this.getName()},
this,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_EQUALS_HASHCODE,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange()
)
);
}
}
}
}
protected void validateTargetEmbeddableIsPublic(List<IMessage> messages, IReporter reporter) {
if (this.getTargetEmbeddable() != null) {
if (!this.getTargetEmbeddable().getJavaResourceType().isPublic()) {
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_CLASS_SHOULD_BE_PUBLIC,
new String[] {this.getName()},
this,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_CLASS_SHOULD_BE_PUBLIC,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange()
)
);
}
}
}
}
protected void validateTargetEmbeddableImplementsSerializable(List<IMessage> messages, IReporter reporter) {
if (this.getTargetEmbeddable() != null) {
String targetEmbeddableClassName = this.getTargetEmbeddable().getPersistentType().getName();
if (!JDTTools.typeIsSubType(this.getJavaProject(), targetEmbeddableClassName, Serializable.class.getName())) {
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_SERIALIZABLE,
new String[] {this.getName()},
this,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_CLASS_SHOULD_IMPLEMENT_SERIALIZABLE,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange()
)
);
}
}
}
}
protected void validateNoRelationshipMappingsOnTargetEmbeddable(List<IMessage> messages, IReporter reporter) {
if (this.getTargetEmbeddable() != null) {
TypeMapping targetEmbeddableTypeMapping = this.getTargetEmbeddable().getPersistentType().getMapping();
if (targetEmbeddableTypeMapping.getAllAttributeMappings(MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY).iterator().hasNext()
|| targetEmbeddableTypeMapping.getAllAttributeMappings(MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY).iterator().hasNext()
|| targetEmbeddableTypeMapping.getAllAttributeMappings(MappingKeys.ONE_TO_MANY_ATTRIBUTE_MAPPING_KEY).iterator().hasNext()
|| targetEmbeddableTypeMapping.getAllAttributeMappings(MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY).iterator().hasNext()) {
if (this.getPersistentAttribute().isVirtual()) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.VIRTUAL_ATTRIBUTE_EMBEDDED_ID_CLASS_SHOULD_NOT_CONTAIN_RELATIONSHIP_MAPPINGS,
new String[] {this.getName()},
this,
this.getVirtualPersistentAttributeTextRange()
)
);
} else {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.EMBEDDED_ID_CLASS_SHOULD_NOT_CONTAIN_RELATIONSHIP_MAPPINGS,
EMPTY_STRING_ARRAY,
this,
this.getValidationTextRange()
)
);
}
}
}
}
// ********** attribute override container owner *********
protected class AttributeOverrideContainerOwner
extends AbstractJavaBaseEmbeddedMapping<EmbeddedIdAnnotation>.AttributeOverrideContainerOwner
{
@Override
public Iterable<String> getAllOverridableNames() {
return AbstractJavaEmbeddedIdMapping.this.isDerived() ?
EmptyIterable.<String>instance() :
super.getAllOverridableNames();
}
@Override
protected Iterable<String> getAllOverridableAttributeNames_(TypeMapping overriddenTypeMapping) {
return new FilteringIterable<String>(super.getAllOverridableAttributeNames_(overriddenTypeMapping)) {
@Override
protected boolean accept(String attributeName) {
return ! AttributeOverrideContainerOwner.this.getTypeMapping().attributeIsDerivedId(attributeName);
}
};
}
}
}
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