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);
}
// bind collections.
private void bindIncomingForeignKeys(
PersistentClass rc, Set processed, List foreignKeys, Mapping mapping) {
if (foreignKeys != null) {
for (Iterator iter = foreignKeys.iterator(); iter.hasNext(); ) {
ForeignKey foreignKey = (ForeignKey) iter.next();
if (revengStrategy.excludeForeignKeyAsCollection(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns())) {
log.debug(
"Rev.eng excluded one-to-many or one-to-one for foreignkey " + foreignKey.getName());
} else if (revengStrategy.isOneToOne(foreignKey)) {
Property property =
bindOneToOne(rc, foreignKey.getTable(), foreignKey, processed, false, true);
rc.addProperty(property);
} else {
Property property = bindOneToMany(rc, foreignKey, processed, mapping);
rc.addProperty(property);
}
}
}
}
/**
* bind many-to-ones
*
* @param table
* @param rc
* @param primaryKey
*/
private void bindOutgoingForeignKeys(Table table, RootClass rc, Set processedColumns) {
// Iterate the outgoing foreign keys and create many-to-one's
for (Iterator iterator = table.getForeignKeyIterator(); iterator.hasNext(); ) {
ForeignKey foreignKey = (ForeignKey) iterator.next();
boolean mutable = true;
if (contains(foreignKey.getColumnIterator(), processedColumns)) {
if (!cfg.preferBasicCompositeIds()) continue; // it's in the pk, so skip this one
mutable = false;
}
if (revengStrategy.excludeForeignKeyAsManytoOne(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns())) {
// TODO: if many-to-one is excluded should the column be marked as processed so it won't
// show up at all ?
log.debug("Rev.eng excluded *-to-one for foreignkey " + foreignKey.getName());
} else if (revengStrategy.isOneToOne(foreignKey)) {
Property property =
bindOneToOne(
rc, foreignKey.getReferencedTable(), foreignKey, processedColumns, true, false);
rc.addProperty(property);
} else {
boolean isUnique = isUniqueReference(foreignKey);
String propertyName =
revengStrategy.foreignKeyToEntityName(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns(),
isUnique);
Property property =
bindManyToOne(
makeUnique(rc, propertyName), mutable, table, foreignKey, processedColumns);
rc.addProperty(property);
}
}
}
/**
* Basically create an [classname]Id.class and add properties for it.
*
* @param rc
* @param compositeKeyColumns
* @param processed
* @return
*/
private SimpleValue handleCompositeKey(
RootClass rc, Set processedColumns, List keyColumns, Mapping mapping) {
Component pkc = new Component(rc);
pkc.setMetaAttributes(Collections.EMPTY_MAP);
pkc.setEmbedded(false);
String compositeIdName =
revengStrategy.tableToCompositeIdName(TableIdentifier.create(rc.getTable()));
if (compositeIdName == null) {
compositeIdName = revengStrategy.classNameToCompositeIdName(rc.getClassName());
}
pkc.setComponentClassName(compositeIdName);
Table table = rc.getTable();
List list = null;
if (cfg.preferBasicCompositeIds()) {
list = new ArrayList(keyColumns);
} else {
list = findForeignKeys(table.getForeignKeyIterator(), keyColumns);
}
for (Iterator iter = list.iterator(); iter.hasNext(); ) {
Object element = iter.next();
Property property;
if (element instanceof Column) {
Column column = (Column) element;
if (processedColumns.contains(column)) {
throw new JDBCBinderException(
"Binding column twice for primary key should not happen: " + column);
} else {
checkColumn(column);
String propertyName =
revengStrategy.columnToPropertyName(TableIdentifier.create(table), column.getName());
property =
bindBasicProperty(
makeUnique(pkc, propertyName), table, column, processedColumns, mapping);
processedColumns.add(column);
}
} else if (element instanceof ForeignKeyForColumns) {
ForeignKeyForColumns fkfc = (ForeignKeyForColumns) element;
ForeignKey foreignKey = fkfc.key;
String propertyName =
revengStrategy.foreignKeyToEntityName(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns(),
true);
property =
bindManyToOne(makeUnique(pkc, propertyName), true, table, foreignKey, processedColumns);
processedColumns.addAll(fkfc.columns);
} else {
throw new JDBCBinderException("unknown thing");
}
markAsUseInEquals(property);
pkc.addProperty(property);
}
return pkc;
}
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;
}
