public static String getForeignKeyField(
MasterDataMetaVO mdmetavo, String foreignEntityName, boolean withId) {
final String foreignKeyField;
final Set<String> foreignKeyFields = new TreeSet<String>();
for (MasterDataMetaFieldVO field : mdmetavo.getFields()) {
if (foreignEntityName.equals(field.getForeignEntity())) {
foreignKeyFields.add(field.getFieldName());
}
}
switch (foreignKeyFields.size()) {
case 0:
foreignKeyField = ModuleConstants.DEFAULT_FOREIGNKEYFIELDNAME;
break;
case 1:
foreignKeyField = foreignKeyFields.iterator().next();
break;
default:
// more than one...
if (foreignKeyFields.contains(ModuleConstants.DEFAULT_FOREIGNKEYFIELDNAME)) {
foreignKeyField = ModuleConstants.DEFAULT_FOREIGNKEYFIELDNAME;
} else {
foreignKeyField = foreignKeyFields.iterator().next();
}
}
if (withId) {
return foreignKeyField + "Id";
} else {
return foreignKeyField;
}
}
/**
* sets the parent id of masterdata records.
*
* @param iGenericObjectId
*/
@Override
public void setParent(
String moduleEntityName,
Integer iGenericObjectId,
Map<EntityAndFieldName, String> collSubEntities) {
if (iGenericObjectId == null) {
throw new NullArgumentException("iGenericObjectId");
}
Long longId = IdUtils.toLongId(iGenericObjectId);
/** @todo eliminate this workaround: */
final MasterDataMetaProvider cache =
SpringApplicationContextHolder.getBean(MasterDataMetaProvider.class);
for (String sEntityName : this.getEntityNames()) {
if (cache != null) {
final MasterDataMetaVO mdmetavo = cache.getMetaData(sEntityName);
if (mdmetavo.isEditable()) {
for (EntityObjectVO mdvo : this.getData(sEntityName)) {
String foreignKeyIdField = null;
for (EntityAndFieldName entityAndFieldName : collSubEntities.keySet()) {
if (entityAndFieldName.getEntityName().equals(sEntityName)) {
foreignKeyIdField = entityAndFieldName.getFieldName();
break;
}
}
if (foreignKeyIdField == null)
foreignKeyIdField = getForeignKeyField(mdmetavo, moduleEntityName, false);
final Long iOldGenericObjectId = mdvo.getFieldId(foreignKeyIdField);
if (iOldGenericObjectId != null && !longId.equals(iOldGenericObjectId)) {
log.warn(
"Bad parent id in dependant masterdata record; old id: "
+ iOldGenericObjectId
+ ", new id: "
+ longId
+ ".");
}
if (iOldGenericObjectId == null
|| (!longId.equals(iOldGenericObjectId) && mdvo.isFlagUpdated())) {
mdvo.getFieldIds().put(foreignKeyIdField, longId);
}
}
}
}
}
}