* @return
*/
private byte[] getBytes(String jpaFieldName, EntityMetadata m, Object value)
{
AbstractAttribute idCol = (AbstractAttribute) m.getIdAttribute();
MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
m.getPersistenceUnit());
EntityType entity = metaModel.entity(m.getEntityClazz());
Class fieldClazz = null;
if (idCol.getName().equals(jpaFieldName))
{
Field f = (Field) idCol.getJavaMember();
if (metaModel.isEmbeddable(idCol.getBindableJavaType()))
{
fieldClazz = String.class;
Map<Attribute, List<Object>> columnValues = new HashMap<Attribute, List<Object>>();
Field[] fields = m.getIdAttribute().getBindableJavaType().getDeclaredFields();
EmbeddableType embeddable = metaModel.embeddable(m.getIdAttribute().getBindableJavaType());
StringBuilder compositeKey = new StringBuilder();
for (Field field : fields)
{
if (!ReflectUtils.isTransientOrStatic(field))
{
AbstractAttribute attrib = (AbstractAttribute) embeddable.getAttribute(field.getName());
Object obj = PropertyAccessorHelper.getObject(value, field);
compositeKey.append(
PropertyAccessorHelper.fromSourceToTargetClass(String.class,
attrib.getBindableJavaType(), obj)).append("\001");
}
}
compositeKey.delete(compositeKey.lastIndexOf("\001"), compositeKey.length());
value = compositeKey.toString();
}
else
{
fieldClazz = f.getType();
}
}
else
{
StringTokenizer tokenizer = new StringTokenizer(jpaFieldName, ".");
String embeddedFieldName = null;
if (tokenizer.countTokens() > 1)
{
embeddedFieldName = tokenizer.nextToken();
String fieldName = tokenizer.nextToken();
Attribute embeddableAttribute = entity.getAttribute(embeddedFieldName);
EmbeddableType embeddableType = metaModel.embeddable(embeddableAttribute.getJavaType());
Attribute embeddedAttribute = embeddableType.getAttribute(fieldName);
jpaFieldName = ((AbstractAttribute) embeddedAttribute).getJPAColumnName();
fieldClazz = ((AbstractAttribute) embeddedAttribute).getBindableJavaType();
}
else