Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.envers.configuration.internal;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.hibernate.MappingException;
import org.hibernate.envers.ModificationStore;
import org.hibernate.envers.RelationTargetAuditMode;
import org.hibernate.envers.configuration.internal.metadata.reader.AuditedPropertiesHolder;
import org.hibernate.envers.configuration.internal.metadata.reader.ClassAuditingData;
import org.hibernate.envers.configuration.internal.metadata.reader.ComponentAuditingData;
import org.hibernate.envers.configuration.internal.metadata.reader.PropertyAuditingData;
import org.hibernate.envers.internal.EnversMessageLogger;
import org.hibernate.envers.internal.tools.MappingTools;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.List;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Value;
import org.jboss.logging.Logger;
/**
* A helper class holding auditing meta-data for all persistent classes.
*
* @author Adam Warski (adam at warski dot org)
* @author Chris Cranford
*/
public class ClassesAuditingData {
private static final EnversMessageLogger LOG = Logger.getMessageLogger(
EnversMessageLogger.class,
ClassesAuditingData.class.getName()
);
private final Map entityNameToAuditingData = new HashMap<>();
private final Map persistentClassToAuditingData = new LinkedHashMap<>();
/**
* Stores information about auditing meta-data for the given class.
*
* @param pc Persistent class.
* @param cad Auditing meta-data for the given class.
*/
public void addClassAuditingData(PersistentClass pc, ClassAuditingData cad) {
entityNameToAuditingData.put( pc.getEntityName(), cad );
persistentClassToAuditingData.put( pc, cad );
}
/**
* @return A collection of all auditing meta-data for persistent classes.
*/
public Collection> getAllClassAuditedData() {
return persistentClassToAuditingData.entrySet();
}
/**
* @param entityName Name of the entity.
*
* @return Auditing meta-data for the given entity.
*/
public ClassAuditingData getClassAuditingData(String entityName) {
return entityNameToAuditingData.get( entityName );
}
/**
* After all meta-data is read, updates calculated fields. This includes:
*
*
setting {@code forceInsertable} to {@code true} for properties specified by {@code @AuditMappedBy}
*
adding {@code synthetic} properties to mappedBy relations which have {@code IndexColumn} or {@code OrderColumn}.
*
*/
public void updateCalculatedFields() {
for ( Map.Entry classAuditingDataEntry : persistentClassToAuditingData.entrySet() ) {
final PersistentClass pc = classAuditingDataEntry.getKey();
final ClassAuditingData classAuditingData = classAuditingDataEntry.getValue();
for ( String propertyName : classAuditingData.getNonSyntheticPropertyNames() ) {
final Property property = pc.getProperty( propertyName );
updateCalculatedProperty( pc.getEntityName(), property, propertyName, classAuditingData );
}
}
}
private void updateCalculatedProperty(String entityName, Property property, String propertyName, AuditedPropertiesHolder propertyHolder) {
final PropertyAuditingData propertyAuditingData = propertyHolder.getPropertyAuditingData( propertyName );
final boolean isAuditMappedBy = propertyAuditingData.getAuditMappedBy() != null;
final boolean isRelationMappedBy = propertyAuditingData.getRelationMappedBy() != null;
// handle updating the property, if applicable.
if ( isAuditMappedBy || isRelationMappedBy ) {
final String referencedEntityName = MappingTools.getReferencedEntityName( property.getValue() );
final ClassAuditingData referencedAuditData = entityNameToAuditingData.get( referencedEntityName );
if ( isAuditMappedBy ) {
// If a property had the @AuditMappedBy annotation, setting the referenced fields to be always insertable.
setAuditMappedByInsertable( referencedEntityName, entityName, referencedAuditData, propertyAuditingData );
}
else if ( isRelationMappedBy && ( property.getValue() instanceof List ) ) {
// If a property has mappedBy= and @Indexed and isn't @AuditMappedBy, add synthetic support.
addSyntheticIndexProperty(
(List) property.getValue(),
property.getPropertyAccessorName(),
referencedAuditData
);
}
}
// HHH-9108
// Added support to handle nested property calculations for components.
// This is useful for AuditMappedBy inside an Embeddable that holds a collection of entities.
if ( propertyAuditingData instanceof ComponentAuditingData ) {
final ComponentAuditingData componentAuditingData = ( ComponentAuditingData) propertyAuditingData;
final Component component = (Component) property.getValue();
for ( String componentPropertyName : componentAuditingData.getNonSyntheticPropertyNames() ) {
final Property componentProperty = component.getProperty( componentPropertyName );
updateCalculatedProperty( entityName, componentProperty, componentPropertyName, componentAuditingData );
}
}
}
private void setAuditMappedByInsertable(
String referencedEntityName,
String entityName,
ClassAuditingData referencedAuditData,
PropertyAuditingData propertyAuditingData) {
forcePropertyInsertable(
referencedAuditData,
propertyAuditingData.getAuditMappedBy(),
entityName,
referencedEntityName
);
forcePropertyInsertable(
referencedAuditData,
propertyAuditingData.getPositionMappedBy(),
entityName,
referencedEntityName
);
}
private void addSyntheticIndexProperty(List value, String propertyAccessorName, ClassAuditingData classAuditingData) {
final Value indexValue = value.getIndex();
if ( indexValue != null && indexValue.getColumnIterator().hasNext() ) {
final String indexColumnName = indexValue.getColumnIterator().next().getText();
if ( indexColumnName != null ) {
final PropertyAuditingData auditingData = new PropertyAuditingData(
indexColumnName,
propertyAccessorName,
ModificationStore.FULL,
RelationTargetAuditMode.AUDITED,
null,
null,
false,
true,
indexValue
);
classAuditingData.addPropertyAuditingData( indexColumnName, auditingData );
}
}
}
private void forcePropertyInsertable(
ClassAuditingData classAuditingData, String propertyName,
String entityName, String referencedEntityName) {
if ( propertyName != null ) {
if ( classAuditingData.getPropertyAuditingData( propertyName ) == null ) {
throw new MappingException(
"@AuditMappedBy points to a property that doesn't exist: " +
referencedEntityName + "." + propertyName
);
}
LOG.debugf(
"Non-insertable property %s.%s will be made insertable because a matching @AuditMappedBy was found in the %s entity",
referencedEntityName,
propertyName,
entityName
);
classAuditingData
.getPropertyAuditingData( propertyName )
.setForceInsertable( true );
}
}
}
