private Property bindOneToOne(
PersistentClass rc,
Table targetTable,
ForeignKey fk,
Set processedColumns,
boolean constrained,
boolean inverseProperty) {
OneToOne value = new OneToOne(targetTable, rc);
value.setReferencedEntityName(
revengStrategy.tableToClassName(TableIdentifier.create(targetTable)));
boolean isUnique = isUniqueReference(fk);
String propertyName = null;
if (inverseProperty) {
propertyName =
revengStrategy.foreignKeyToInverseEntityName(
fk.getName(),
TableIdentifier.create(fk.getReferencedTable()),
fk.getReferencedColumns(),
TableIdentifier.create(targetTable),
fk.getColumns(),
isUnique);
} else {
propertyName =
revengStrategy.foreignKeyToEntityName(
fk.getName(),
TableIdentifier.create(fk.getReferencedTable()),
fk.getReferencedColumns(),
TableIdentifier.create(targetTable),
fk.getColumns(),
isUnique);
}
Iterator columns = fk.getColumnIterator();
while (columns.hasNext()) {
Column fkcolumn = (Column) columns.next();
checkColumn(fkcolumn);
value.addColumn(fkcolumn);
processedColumns.add(fkcolumn);
}
value.setFetchMode(FetchMode.SELECT);
value.setConstrained(constrained);
value.setForeignKeyType(
constrained
? ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT
: ForeignKeyDirection.FOREIGN_KEY_TO_PARENT);
return makeEntityProperty(propertyName, true, targetTable, fk, value, inverseProperty);
// return makeProperty(TableIdentifier.create(targetTable), propertyName, value,
// true, true, value.getFetchMode() != FetchMode.JOIN, null, null);
}
private String bindCollection(
PersistentClass rc,
ForeignKey fromForeignKey,
ForeignKey toForeignKey,
Collection collection) {
ForeignKey targetKey = fromForeignKey;
String collectionRole = null;
boolean collectionLazy = false;
boolean collectionInverse = false;
TableIdentifier foreignKeyTable = null;
String tableToClassName;
if (toForeignKey != null) {
targetKey = toForeignKey;
}
boolean uniqueReference =
isUniqueReference(targetKey); // TODO: need to look one step further for many-to-many!
foreignKeyTable = TableIdentifier.create(targetKey.getTable());
TableIdentifier foreignKeyReferencedTable =
TableIdentifier.create(targetKey.getReferencedTable());
if (toForeignKey == null) {
collectionRole =
revengStrategy.foreignKeyToCollectionName(
fromForeignKey.getName(),
foreignKeyTable,
fromForeignKey.getColumns(),
foreignKeyReferencedTable,
fromForeignKey.getReferencedColumns(),
uniqueReference);
tableToClassName = revengStrategy.tableToClassName(foreignKeyTable);
} else {
collectionRole =
revengStrategy.foreignKeyToManyToManyName(
fromForeignKey,
TableIdentifier.create(fromForeignKey.getTable()),
toForeignKey,
uniqueReference);
tableToClassName = revengStrategy.tableToClassName(foreignKeyReferencedTable);
}
collectionInverse =
revengStrategy.isForeignKeyCollectionInverse(
targetKey.getName(),
foreignKeyTable,
targetKey.getColumns(),
foreignKeyReferencedTable,
targetKey.getReferencedColumns());
collectionLazy =
revengStrategy.isForeignKeyCollectionLazy(
targetKey.getName(),
foreignKeyTable,
targetKey.getColumns(),
foreignKeyReferencedTable,
targetKey.getReferencedColumns());
collectionRole = makeUnique(rc, collectionRole);
String fullRolePath = StringHelper.qualify(rc.getEntityName(), collectionRole);
if (mappings.getCollection(fullRolePath) != null) {
log.debug(fullRolePath + " found twice!");
}
collection.setRole(fullRolePath); // Master.setOfChildren+
collection.setInverse(collectionInverse); // TODO: allow overriding this
collection.setLazy(collectionLazy);
collection.setFetchMode(FetchMode.SELECT);
return tableToClassName;
}
/**
* @param manyToOneCandidates
* @param mappings2
*/
private void createPersistentClasses(DatabaseCollector collector, Mapping mapping) {
Map manyToOneCandidates = collector.getOneToManyCandidates();
for (Iterator iter = mappings.iterateTables(); iter.hasNext(); ) {
Table table = (Table) iter.next();
if (table.getColumnSpan() == 0) {
log.warn("Cannot create persistent class for " + table + " as no columns were found.");
continue;
}
// TODO: this naively just create an entity per table
// should have an opt-out option to mark some as helper tables, subclasses etc.
/*if(table.getPrimaryKey()==null || table.getPrimaryKey().getColumnSpan()==0) {
log.warn("Cannot create persistent class for " + table + " as no primary key was found.");
continue;
// TODO: just create one big embedded composite id instead.
}*/
if (revengStrategy.isManyToManyTable(table)) {
log.debug("Ignoring " + table + " as class since rev.eng. says it is a many-to-many");
continue;
}
RootClass rc = new RootClass();
TableIdentifier tableIdentifier = TableIdentifier.create(table);
String className = revengStrategy.tableToClassName(tableIdentifier);
log.debug("Building entity " + className + " based on " + tableIdentifier);
rc.setEntityName(className);
rc.setClassName(className);
rc.setProxyInterfaceName(rc.getEntityName()); // TODO: configurable ?
rc.setLazy(true);
rc.setMetaAttributes(safeMeta(revengStrategy.tableToMetaAttributes(tableIdentifier)));
rc.setDiscriminatorValue(rc.getEntityName());
rc.setTable(table);
try {
mappings.addClass(rc);
} catch (DuplicateMappingException dme) {
// TODO: detect this and generate a "permutation" of it ?
PersistentClass class1 = mappings.getClass(dme.getName());
Table table2 = class1.getTable();
throw new JDBCBinderException(
"Duplicate class name '"
+ rc.getEntityName()
+ "' generated for '"
+ table
+ "'. Same name where generated for '"
+ table2
+ "'");
}
mappings.addImport(rc.getEntityName(), rc.getEntityName());
Set processed = new HashSet();
PrimaryKeyInfo pki = bindPrimaryKeyToProperties(table, rc, processed, mapping, collector);
bindColumnsToVersioning(table, rc, processed, mapping);
bindOutgoingForeignKeys(table, rc, processed);
bindColumnsToProperties(table, rc, processed, mapping);
List incomingForeignKeys = (List) manyToOneCandidates.get(rc.getEntityName());
bindIncomingForeignKeys(rc, processed, incomingForeignKeys, mapping);
updatePrimaryKey(rc, pki);
}
}
