protected void createFromJoinElement(
AST path, AST alias, int joinType, AST fetchNode, AST propertyFetch, AST with)
throws SemanticException {
boolean fetch = fetchNode != null;
if (fetch && isSubQuery()) {
throw new QueryException("fetch not allowed in subquery from-elements");
}
// The path AST should be a DotNode, and it should have been evaluated already.
if (path.getType() != SqlTokenTypes.DOT) {
throw new SemanticException("Path expected for join!");
}
DotNode dot = (DotNode) path;
int hibernateJoinType = JoinProcessor.toHibernateJoinType(joinType);
dot.setJoinType(hibernateJoinType); // Tell the dot node about the join type.
dot.setFetch(fetch);
// Generate an explicit join for the root dot node. The implied joins will be collected and
// passed up
// to the root dot node.
dot.resolve(true, false, alias == null ? null : alias.getText());
FromElement fromElement = dot.getImpliedJoin();
fromElement.setAllPropertyFetch(propertyFetch != null);
if (with != null) {
if (fetch) {
throw new SemanticException("with-clause not allowed on fetched associations; use filters");
}
handleWithFragment(fromElement, with);
}
if (log.isDebugEnabled()) {
log.debug(
"createFromJoinElement() : "
+ getASTPrinter().showAsString(fromElement, "-- join tree --"));
}
}
