Pawel Veselov created OPENJPA-2894:
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Summary: All boolean expressions are not predicates
Key: OPENJPA-2894
URL: https://issues.apache.org/jira/browse/OPENJPA-2894
Project: OpenJPA
Issue Type: Bug
Components: criteria
Affects Versions: 3.2.0, 3.1.2
Reporter: Pawel Veselov
>From {{PredicateImpl}}:
{code:java}
public PredicateImpl add(Expression<Boolean> s) {
synchronized (_exps) {
_exps.add((Predicate)s); // all boolean expressions are
Predicate
}
return this;
}
{code}
However, a function that returns a boolean is an {{Expression<Boolean>}}, but
is not a {{Predicate}}
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