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EclipseLink build based upon Git transaction ecdf3c32c4
/*
* Copyright (c) 1998, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.xml.namespace.QName;
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.descriptors.InheritancePolicy;
import org.eclipse.persistence.exceptions.DatabaseException;
import org.eclipse.persistence.exceptions.DescriptorException;
import org.eclipse.persistence.exceptions.QueryException;
import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.internal.core.sessions.CoreAbstractSession;
import org.eclipse.persistence.internal.descriptors.ObjectBuilder;
import org.eclipse.persistence.internal.helper.DatabaseField;
import org.eclipse.persistence.internal.identitymaps.CacheId;
import org.eclipse.persistence.internal.identitymaps.CacheKey;
import org.eclipse.persistence.internal.oxm.WeakObjectWrapper;
import org.eclipse.persistence.internal.oxm.mappings.Descriptor;
import org.eclipse.persistence.internal.oxm.mappings.Field;
import org.eclipse.persistence.internal.oxm.mappings.Mapping;
import org.eclipse.persistence.internal.oxm.record.AbstractMarshalRecord;
import org.eclipse.persistence.internal.queries.JoinedAttributeManager;
import org.eclipse.persistence.internal.sessions.AbstractRecord;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.mappings.AggregateObjectMapping;
import org.eclipse.persistence.mappings.DatabaseMapping;
import org.eclipse.persistence.mappings.ForeignReferenceMapping;
import org.eclipse.persistence.mappings.DatabaseMapping.WriteType;
import org.eclipse.persistence.mappings.foundation.AbstractDirectMapping;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLDescriptor;
import org.eclipse.persistence.oxm.XMLMarshaller;
import org.eclipse.persistence.oxm.XMLUnmarshaller;
import org.eclipse.persistence.oxm.record.DOMRecord;
import org.eclipse.persistence.oxm.record.XMLRecord;
import org.eclipse.persistence.oxm.documentpreservation.DocumentPreservationPolicy;
import org.eclipse.persistence.queries.FetchGroup;
import org.eclipse.persistence.queries.ObjectBuildingQuery;
import org.eclipse.persistence.sessions.SessionProfiler;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* INTERNAL:
* Purpose: Object-to-XML specific ObjectBuilder.
* @author Rick Barkhouse - [email protected]
* @since TopLink 10i, 03/31/2003 16:29:40
*/
public class XMLObjectBuilder extends ObjectBuilder {
private Boolean isXMLDescriptor;
private boolean xsiTypeIndicatorField;
/**
* Create an XML object builder for the descriptor.
*/
public XMLObjectBuilder(ClassDescriptor descriptor) {
super(descriptor);
}
/**
* Build the nested row into the parent dom.
*/
public AbstractRecord buildRow(Object object, AbstractSession session, DatabaseField xmlField, XMLRecord parentRecord) {
if (isXmlDescriptor() && ((Descriptor)getDescriptor()).shouldPreserveDocument()) {
Object pk = extractPrimaryKeyFromObject(object, session);
if ((pk == null) || (pk instanceof CacheId) && (((CacheId)pk).getPrimaryKey().length == 0)) {
pk = new CacheId(new Object[]{ new WeakObjectWrapper(object) });
}
CacheKey cacheKey = session.getIdentityMapAccessorInstance().getCacheKeyForObject(pk, getDescriptor().getJavaClass(), getDescriptor(), false);
if ((cacheKey != null) && (cacheKey.getRecord() != null)) {
XMLRecord nestedRecord = (XMLRecord)cacheKey.getRecord();
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType((XPathQName)null);
return buildIntoNestedRow(nestedRecord, object, session);
}
}
Element newNode = XPathEngine.getInstance().createUnownedElement(parentRecord.getDOM(), (Field)xmlField);
XMLRecord nestedRecord = new DOMRecord(newNode);
nestedRecord.setNamespaceResolver(parentRecord.getNamespaceResolver());
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType((XPathQName)null);
return buildIntoNestedRow(nestedRecord, object, session);
}
/**
* Create a new row/record for the object builder.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(AbstractSession session) {
return (AbstractRecord) createRecord(getDescriptor().getTableName(), session);
}
/**
* Create a new row/record for the object builder.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(int size, AbstractSession session) {
return (AbstractRecord) createRecord(getDescriptor().getTableName(), session);
}
/**
* Create a new row/record for the object builder with the given name. This
* allows subclasses to define different record types.
*/
public AbstractMarshalRecord createRecord(String rootName, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver);
xmlRec.setSession(session);
return xmlRec;
}
/**
* Create a new row/record for the object builder with the given name and
* namespace resolver instead of the namespace resolver from the descriptor.
* This allows subclasses to define different record types.
*/
public AbstractRecord createRecord(String rootName, String rootUri, AbstractSession session) {
XMLRecord xmlRec = new DOMRecord(rootName, rootUri);
xmlRec.setSession(session);
return xmlRec;
}
/**
* Create a new row/record for the object builder with the given name. This
* allows subclasses to define different record types.
*/
public AbstractMarshalRecord createRecord(String rootName, Node parent, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver, parent);
xmlRec.setSession(session);
return xmlRec;
}
public AbstractRecord createRecordFor(Object attributeValue, Field xmlField, XMLRecord parentRecord, Mapping mapping) {
DocumentPreservationPolicy policy = parentRecord.getDocPresPolicy();
Element newNode = null;
if(policy != null) {
newNode = (Element)policy.getNodeForObject(attributeValue);
}
if(newNode == null) {
newNode = XPathEngine.getInstance().createUnownedElement(parentRecord.getDOM(), xmlField);
if(policy !=null ){
if(xmlField.isSelfField()) {
policy.addObjectToCache(attributeValue, newNode, mapping);
} else {
policy.addObjectToCache(attributeValue, newNode);
}
}
}
DOMRecord nestedRecord = new DOMRecord(newNode);
nestedRecord.setMarshaller(parentRecord.getMarshaller());
nestedRecord.setLeafElementType(parentRecord.getLeafElementType());
parentRecord.setLeafElementType((XPathQName)null);
nestedRecord.setDocPresPolicy(policy);
nestedRecord.setXOPPackage(parentRecord.isXOPPackage());
nestedRecord.setReferenceResolver(((DOMRecord) parentRecord).getReferenceResolver());
return nestedRecord;
}
public AbstractRecord createRecordFor(Object object, DocumentPreservationPolicy docPresPolicy) {
Element cachedNode = null;
XMLRecord record = null;
if(docPresPolicy != null) {
cachedNode = (Element)docPresPolicy.getNodeForObject(object);
}
if(cachedNode == null) {
record = new DOMRecord(getDescriptor().getTableName(), getNamespaceResolver());
docPresPolicy.addObjectToCache(object, record.getDOM());
} else {
record = new DOMRecord(cachedNode);
}
record.setDocPresPolicy(docPresPolicy);
return record;
}
public AbstractRecord createRecordFor(Object object, DocumentPreservationPolicy docPresPolicy, String rootName, String rootUri) {
Element cachedNode = null;
XMLRecord record = null;
if(docPresPolicy != null) {
cachedNode = (Element)docPresPolicy.getNodeForObject(object);
}
if(cachedNode == null) {
record = new DOMRecord(rootName, rootUri);
docPresPolicy.addObjectToCache(object, record.getDOM());
} else {
record = new DOMRecord(cachedNode);
}
record.setDocPresPolicy(docPresPolicy);
return record;
}
/**
* Create a new row/record for the object builder. This allows subclasses to
* define different record types. This will typically be called when a
* record will be used for temporarily holding on to primary key fields.
*/
protected AbstractRecord createRecordForPKExtraction(int size, AbstractSession session) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
XMLRecord xmlRec = new DOMRecord(getDescriptor().getTableName(), namespaceResolver);
xmlRec.setSession(session);
return xmlRec;
}
/**
* INTERNAL: Override the parent's buildObject to allow for the caching of
* aggregate objects in OX. By caching aggregates along with XML Nodes that
* they were created from, we are able to preserve the structure and
* unmapped content of the document that was used to create these objects.
*/
@Override
public Object buildObject(ObjectBuildingQuery query, AbstractRecord databaseRow, JoinedAttributeManager joinManager) throws DatabaseException, QueryException {
XMLRecord row = (XMLRecord) databaseRow;
row.setSession(query.getSession());
XMLUnmarshaller unmarshaller = row.getUnmarshaller();
Object parent = row.getOwningObject();
if (!(isXmlDescriptor() || getDescriptor().isDescriptorTypeAggregate())) {
return super.buildObject(query, databaseRow, joinManager);
}
query.getSession().startOperationProfile(SessionProfiler.ObjectBuilding, query, SessionProfiler.ALL);
ClassDescriptor concreteDescriptor = getDescriptor();
Object domainObject = null;
// only need to check in the root case since the nested case is handled
// in the mapping
if (concreteDescriptor.hasInheritance() && (parent == null)) {
// look for an xsi:type attribute in the xml document
InheritancePolicy inheritancePolicy = concreteDescriptor.getInheritancePolicy();
Class classValue = inheritancePolicy.classFromRow(databaseRow, query.getSession());
if ((classValue == null) && isXmlDescriptor()) {
// no xsi:type attribute - look for type indicator on the
// default root element
QName leafElementType = ((Descriptor) concreteDescriptor).getDefaultRootElementType();
// if we have a user-set type, try to get the class from the
// inheritance policy
if (leafElementType != null) {
XPathQName xpathQName = new XPathQName(leafElementType, row.isNamespaceAware());
Object indicator = inheritancePolicy.getClassIndicatorMapping().get(xpathQName);
if (indicator != null) {
classValue = (Class) indicator;
}
}
}
// if we found the class, use it - otherwise, use the descriptor
// class, if non-abstract
if (classValue != null) {
concreteDescriptor = query.getSession().getDescriptor(classValue);
if ((concreteDescriptor == null) && query.hasPartialAttributeExpressions()) {
concreteDescriptor = getDescriptor();
}
if (concreteDescriptor == null) {
throw QueryException.noDescriptorForClassFromInheritancePolicy(query, classValue);
}
} else {
// make sure the class is non-abstract
if (Modifier.isAbstract(concreteDescriptor.getJavaClass().getModifiers())) {
// throw an exception
throw DescriptorException.missingClassIndicatorField(databaseRow, inheritancePolicy.getDescriptor());
}
}
}
domainObject = concreteDescriptor.getObjectBuilder().buildNewInstance();
row.setCurrentObject(domainObject);
if ((unmarshaller != null) && (unmarshaller.getUnmarshalListener() != null)) {
unmarshaller.getUnmarshalListener().beforeUnmarshal(domainObject, parent);
}
concreteDescriptor.getObjectBuilder().buildAttributesIntoObject(domainObject, null, databaseRow, query, joinManager, null, false, query.getSession());
if (isXmlDescriptor() && ((Descriptor) concreteDescriptor).getPrimaryKeyFieldNames().size() > 0) {
Object pk = extractPrimaryKeyFromRow(databaseRow, query.getSession());
if ((pk != null) && (((CacheId) pk).getPrimaryKey().length > 0)) {
DOMRecord domRecord = (DOMRecord) databaseRow;
domRecord.getReferenceResolver().putValue(concreteDescriptor.getJavaClass(), pk, domainObject);
}
}
DocumentPreservationPolicy docPresPolicy = ((DOMRecord) row).getDocPresPolicy();
if (docPresPolicy != null) {
// EIS XML Cases won't have a doc pres policy set
((DOMRecord) row).getDocPresPolicy().addObjectToCache(domainObject, ((DOMRecord) row).getDOM());
}
query.getSession().endOperationProfile(SessionProfiler.ObjectBuilding, query, SessionProfiler.ALL);
if ((unmarshaller != null) && (unmarshaller.getUnmarshalListener() != null)) {
unmarshaller.getUnmarshalListener().afterUnmarshal(domainObject, parent);
}
return domainObject;
}
public AbstractRecord buildRow(AbstractRecord databaseRow, Object object, AbstractSession session) {
return buildRow(databaseRow, object, session, false);
}
public AbstractRecord buildRow(AbstractRecord databaseRow, Object object, AbstractSession session, boolean wasXMLRoot) {
XMLRecord row = (XMLRecord)databaseRow;
row.setSession(session);
XMLMarshaller marshaller = row.getMarshaller();
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().beforeMarshal(object);
}
addNamespaceDeclarations((row).getDocument());
writeOutMappings(row, object, session);
// If this descriptor has multiple tables then we need to append the
// primary keys for
// the non default tables.
if (!getDescriptor().isAggregateDescriptor()) {
addPrimaryKeyForNonDefaultTable(row);
}
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().afterMarshal(object);
}
return row;
}
public void writeOutMappings(XMLRecord row, Object object, AbstractSession session) {
List mappings = getDescriptor().getMappings();
for (int index = 0; index < mappings.size(); index++) {
DatabaseMapping mapping = mappings.get(index);
mapping.writeFromObjectIntoRow(object, row, session, WriteType.UNDEFINED);
}
}
public void addNamespaceDeclarations(Document document) {
NamespaceResolver namespaceResolver = getNamespaceResolver();
if (namespaceResolver == null) {
return;
}
Element docElement = document.getDocumentElement();
if(namespaceResolver.getDefaultNamespaceURI() != null) {
docElement.setAttributeNS(javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI, javax.xml.XMLConstants.XMLNS_ATTRIBUTE, namespaceResolver.getDefaultNamespaceURI());
}
Enumeration prefixes = namespaceResolver.getPrefixes();
String prefix;
String namespace;
while (prefixes.hasMoreElements()) {
prefix = (String)prefixes.nextElement();
namespace = namespaceResolver.resolveNamespacePrefix(prefix);
docElement.setAttributeNS(javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI, javax.xml.XMLConstants.XMLNS_ATTRIBUTE + Constants.COLON + prefix, namespace);
}
}
/**
* Override method in superclass in order to set the session on the record.
* Each mapping is recursed to assign values from the Record to the attributes in the domain object.
*/
@Override
public void buildAttributesIntoObject(Object domainObject, CacheKey cacheKey, AbstractRecord databaseRow, ObjectBuildingQuery query, JoinedAttributeManager joinManager, FetchGroup executionFetchGroup, boolean forRefresh, AbstractSession targetSession) throws DatabaseException {
((XMLRecord)databaseRow).setSession(query.getSession().getExecutionSession(query));
super.buildAttributesIntoObject(domainObject, cacheKey, databaseRow, query, joinManager, executionFetchGroup, forRefresh, targetSession);
}
/**
* Override method in superclass in order to set the session on the record.
* Return the row with primary keys and their values from the given expression.
*/
public AbstractRecord extractPrimaryKeyRowFromExpression(Expression expression, AbstractRecord translationRow, AbstractSession session) {
AbstractRecord primaryKeyRow = createRecord(getPrimaryKeyMappings().size(), session);
expression.getBuilder().setSession(session.getRootSession(null));
// Get all the field & values from expression
boolean isValid = expression.extractPrimaryKeyValues(true, getDescriptor(), primaryKeyRow, translationRow);
if (!isValid) {
return null;
}
// Check that the sizes match up
if (primaryKeyRow.size() != getDescriptor().getPrimaryKeyFields().size()) {
return null;
}
return primaryKeyRow;
}
/**
* Override method in superclass in order to set the session on the record.
* Return the row with primary keys and their values from the given expression.
*/
@Override
public Object extractPrimaryKeyFromExpression(boolean requiresExactMatch, Expression expression, AbstractRecord translationRow, AbstractSession session) {
AbstractRecord primaryKeyRow = createRecord(getPrimaryKeyMappings().size(), session);
expression.getBuilder().setSession(session.getRootSession(null));
// Get all the field & values from expression.
boolean isValid = expression.extractPrimaryKeyValues(requiresExactMatch, getDescriptor(), primaryKeyRow, translationRow);
if (requiresExactMatch && (!isValid)) {
return null;
}
// Check that the sizes match.
if (primaryKeyRow.size() != getDescriptor().getPrimaryKeyFields().size()) {
return null;
}
return extractPrimaryKeyFromRow(primaryKeyRow, session);
}
@Override
public Object extractPrimaryKeyFromObject(Object domainObject, AbstractSession session) {
if (getDescriptor().hasInheritance() && (domainObject.getClass() != getDescriptor().getJavaClass()) && (!domainObject.getClass().getSuperclass().equals(getDescriptor().getJavaClass()))) {
return session.getDescriptor(domainObject.getClass()).getObjectBuilder().extractPrimaryKeyFromObject(domainObject, session);
}
List descriptorPrimaryKeyFields = getDescriptor().getPrimaryKeyFields();
if (null == descriptorPrimaryKeyFields || descriptorPrimaryKeyFields.size() == 0) {
return null;
}
return super.extractPrimaryKeyFromObject(domainObject, session);
}
public AbstractRecord buildIntoNestedRow(AbstractRecord row, Object object, AbstractSession session) {
return buildIntoNestedRow(row, null, object, session, null, null, false);
}
public AbstractRecord buildIntoNestedRow(AbstractRecord row, Object object, AbstractSession session, Descriptor refDesc, Field xmlField) {
return buildIntoNestedRow(row, null, object, session, refDesc, xmlField, false);
}
public AbstractRecord buildIntoNestedRow(AbstractRecord row, Object originalObject, Object object, AbstractSession session, Descriptor refDesc, Field xmlField, boolean wasXMLRoot) {
// PERF: Avoid synchronized enumerator as is concurrency bottleneck.
XMLRecord record = (XMLRecord)row;
record.setSession(session);
XMLMarshaller marshaller = record.getMarshaller();
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().beforeMarshal(object);
}
List extraNamespaces = null;
if (isXmlDescriptor()) {
Descriptor xmlDescriptor = (Descriptor)getDescriptor();
extraNamespaces = addExtraNamespacesToNamespaceResolver(xmlDescriptor, record, session, false, false);
writeExtraNamespaces(extraNamespaces, record);
record.addXsiTypeAndClassIndicatorIfRequired(xmlDescriptor, refDesc, xmlField, originalObject, object, wasXMLRoot, false);
}
writeOutMappings(record, object, session);
// If this descriptor is involved in inheritance add the class type.
if (isXmlDescriptor()) {
record.removeExtraNamespacesFromNamespaceResolver(extraNamespaces, session);
}
// If this descriptor has multiple tables then we need to append the
// primary keys for
// the non default tables.
if (!getDescriptor().isAggregateDescriptor()) {
addPrimaryKeyForNonDefaultTable(row);
}
if ((marshaller != null) && (marshaller.getMarshalListener() != null)) {
marshaller.getMarshalListener().afterMarshal(object);
}
return row;
}
public NamespaceResolver getNamespaceResolver() {
NamespaceResolver namespaceResolver = null;
if (isXmlDescriptor()) {
namespaceResolver = ((XMLDescriptor)getDescriptor()).getNamespaceResolver();
} else if (getDescriptor() instanceof org.eclipse.persistence.eis.EISDescriptor) {
namespaceResolver = ((org.eclipse.persistence.eis.EISDescriptor)getDescriptor()).getNamespaceResolver();
}
return namespaceResolver;
}
/**
* Indicates if the object builder's descriptor is an XMLDescriptor.
* The value is lazily initialized.
*
* @return
*/
protected boolean isXmlDescriptor() {
if (isXMLDescriptor == null) {
isXMLDescriptor = getDescriptor() instanceof Descriptor;
}
return isXMLDescriptor.booleanValue();
}
/**
* Set the descriptor. This method is overridden so the
* isXMLDescriptor Boolean can be reset.
*/
public void setDescriptor(ClassDescriptor aDescriptor) {
super.setDescriptor(aDescriptor);
isXMLDescriptor = null;
}
protected List addExtraNamespacesToNamespaceResolver(Descriptor desc, AbstractMarshalRecord marshalRecord, CoreAbstractSession session, boolean allowOverride, boolean ignoreEqualResolvers) {
return marshalRecord.addExtraNamespacesToNamespaceResolver(desc, session, allowOverride, ignoreEqualResolvers);
}
public void writeExtraNamespaces(List extraNamespaces, XMLRecord xmlRecord) {
if(extraNamespaces == null){
return;
}
if(xmlRecord.getDOM().getNodeType() != Node.ELEMENT_NODE) {
return;
}
for (int i = 0; i < extraNamespaces.size(); i++) {
Namespace next = (Namespace)extraNamespaces.get(i);
((Element)xmlRecord.getDOM()).setAttributeNS(javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI, javax.xml.XMLConstants.XMLNS_ATTRIBUTE + Constants.COLON + next.getPrefix(), next.getNamespaceURI());
}
}
public void initialize(AbstractSession session) throws DescriptorException {
mappingsByField.clear();
if(null != readOnlyMappingsByField) {
readOnlyMappingsByField.clear();
}
if(null != mappingsByAttribute) {
mappingsByAttribute.clear();
}
cloningMappings.clear();
if(null != eagerMappings) {
eagerMappings.clear();
}
if(null != relationshipMappings) {
relationshipMappings.clear();
}
for (Enumeration mappings = this.descriptor.getMappings().elements();
mappings.hasMoreElements();) {
DatabaseMapping mapping = (DatabaseMapping)mappings.nextElement();
// Add attribute to mapping association
if (!mapping.isWriteOnly()) {
if(mappingsByAttribute != null) {
getMappingsByAttribute().put(mapping.getAttributeName(), mapping);
}
}
// Cache mappings that require cloning.
if (mapping.isCloningRequired()) {
getCloningMappings().add(mapping);
}
// Cache eager mappings.
if (mapping.isForeignReferenceMapping() && ((ForeignReferenceMapping)mapping).usesIndirection() && (!mapping.isLazy())) {
getEagerMappings().add(mapping);
}
// Cache relationship mappings.
if (!mapping.isDirectToFieldMapping()) {
if(null != relationshipMappings) {
relationshipMappings.add(mapping);
}
}
// Add field to mapping association
for (DatabaseField field : mapping.getFields()) {
if (mapping.isReadOnly()) {
if(null != readOnlyMappingsByField) {
List readOnlyMappings = getReadOnlyMappingsByField().get(field);
if (readOnlyMappings == null) {
readOnlyMappings = new ArrayList();
getReadOnlyMappingsByField().put(field, readOnlyMappings);
}
readOnlyMappings.add(mapping);
}
} else {
if (mapping.isAggregateObjectMapping()) {
// For Embeddable class, we need to test read-only
// status of individual fields in the embeddable.
ObjectBuilder aggregateObjectBuilder = ((AggregateObjectMapping)mapping).getReferenceDescriptor().getObjectBuilder();
// Look in the non-read-only fields mapping
DatabaseMapping aggregatedFieldMapping = aggregateObjectBuilder.getMappingForField(field);
if (aggregatedFieldMapping == null) { // mapping must be read-only
List readOnlyMappings = getReadOnlyMappingsByField().get(field);
if (readOnlyMappings == null) {
readOnlyMappings = new ArrayList();
getReadOnlyMappingsByField().put(field, readOnlyMappings);
}
readOnlyMappings.add(mapping);
} else {
getMappingsByField().put(field, mapping);
}
} else { // Not an embeddable mapping
if (!getMappingsByField().containsKey(field)) {
getMappingsByField().put(field, mapping);
}
}
}
}
}
this.isSimple = null == relationshipMappings || relationshipMappings.isEmpty();
initializePrimaryKey(session);
initializeJoinedAttributes();
if (this.descriptor.usesSequenceNumbers()) {
DatabaseMapping sequenceMapping = getMappingForField(this.descriptor.getSequenceNumberField());
if ((sequenceMapping != null) && sequenceMapping.isDirectToFieldMapping()) {
setSequenceMapping((AbstractDirectMapping)sequenceMapping);
}
}
if (descriptor.hasInheritance() ) {
Field indicatorField = (Field) descriptor.getInheritancePolicy().getClassIndicatorField();
if(indicatorField != null){
if (indicatorField.getLastXPathFragment().getNamespaceURI() != null && indicatorField.getLastXPathFragment().getNamespaceURI().equals(javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI)
&& indicatorField.getLastXPathFragment().getLocalName().equals(Constants.SCHEMA_TYPE_ATTRIBUTE)){
xsiTypeIndicatorField = true;
}
}
}
}
public boolean isXMLObjectBuilder() {
return true;
}
public boolean isXsiTypeIndicatorField() {
return xsiTypeIndicatorField;
}
}