/**
* @return an empty String if there is no join clause, in other cases a String like the following
* is returned " as e left join e.bank as alias_1"
*/
public String getJoinClause() {
if (joinClause != null) {
return joinClause;
}
// make sure that the join clauses are computed
getWhereClause();
getOrderByClause();
if (getMainAlias() == null) {
return "";
}
final StringBuilder sb = new StringBuilder();
sb.append(" as " + getMainAlias() + " ");
for (JoinDefinition joinDefinition : joinDefinitions) {
sb.append(joinDefinition.getJoinStatement());
}
sb.append(" ");
joinClause = sb.toString();
return joinClause;
}
