/**
* This function returns the role Id from hibernate mapping and returns the value
*
* @param attributeName
* @return roleKeyId
*/
public static String getRoleKeyId(String attributeName) {
net.sf.hibernate.mapping.Collection col1 = cfg.getCollectionMapping(attributeName);
Iterator colIt = col1.getElement().getColumnIterator();
while (colIt.hasNext()) {
Column col = (Column) colIt.next();
return (col.getName());
}
return "";
}
/**
* This Function finds all the relations in i.e Many-To-Many and One-To-Many All the relations are
* kept in HashMap where key is formed as table1@table2@table_name@attributeName and value is
* Many-To-Many or One-To-Many
*
* @return Map
*/
private static void findRelations() {
try {
Iterator itr1 = cfg.getCollectionMappings();
while (itr1.hasNext()) {
Collection col = (Collection) itr1.next();
if (col.getElement().getClass().getName().equals("net.sf.hibernate.mapping.ManyToOne")) {
saveRelations(col, "ManyToMany");
} else {
saveRelations(col, "OneToMany");
}
}
} catch (Exception e) {
Logger.out.info("Error occured in fildAllRelations Function:" + e);
}
}
public static void getDATA(Class classObj) {
net.sf.hibernate.mapping.Collection coll =
cfg.getCollectionMapping(
"edu.wustl.catissuecore.domain.CollectionProtocolEvent.specimenRequirementCollection");
// System.out.println(map);
System.out.println(coll.getCollectionTable().getName());
System.out.println(coll.getTable().getName());
// System.out.println();
Iterator it = coll.getColumnIterator();
while (it.hasNext()) {
// net.sf.hibernate.mapping.Set set = (net.sf.hibernate.mapping.Set)it.next();
System.out.println(it.next());
}
}
/**
* This function saves the relation data in HashSet.
*
* @param col this is the collection which contains all data
* @param rel_type this is Many-To-Many ot Many-To-One
* @throws Exception
*/
private static void saveRelations(Collection col, String rel_type) throws Exception {
String className = col.getOwnerClass().getName();
String relatedClassName = col.getElement().getType().getName();
String roleAttribute = col.getRole();
String relationType = rel_type;
String relationTable = col.getElement().getTable().getName();
String keyId = getKeyId(roleAttribute);
String roleId = getRoleKeyId(roleAttribute);
ClassRelationshipData hmc =
new ClassRelationshipData(
className, relatedClassName, roleAttribute, relationType, relationTable, keyId, roleId);
mappings.add(hmc);
List list1 = HibernateMetaData.getSubClassList(col.getOwnerClass().getName());
for (int i = 0; i < list1.size(); i++) {
hmc =
new ClassRelationshipData(
list1.get(i).toString(),
relatedClassName,
roleAttribute,
relationType,
relationTable,
keyId,
roleId);
mappings.add(hmc);
}
List list2 = HibernateMetaData.getSubClassList(col.getElement().getType().getName());
for (int i = 0; i < list2.size(); i++) {
hmc =
new ClassRelationshipData(
className,
list2.get(i).toString(),
roleAttribute,
relationType,
relationTable,
keyId,
roleId);
mappings.add(hmc);
}
}