org.apache.openjpa.persistence.query
Class LogicalPredicate
java.lang.Object
org.apache.openjpa.persistence.query.AbstractVisitable
org.apache.openjpa.persistence.query.LogicalPredicate
- All Implemented Interfaces:
- Serializable, Predicate, Visitable
- Direct Known Subclasses:
- AndPredicate, OrPredicate
public class LogicalPredicate
- extends AbstractVisitable
- implements Predicate, Visitable
Logical Predicate combines two predicates with a logical operator.
- Author:
- Pinaki Poddar
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LogicalPredicate
public LogicalPredicate(Predicate p1,
ConditionalOperator op,
ConditionalOperator nop,
Predicate p2)
and
public Predicate and(Predicate predicate)
- Description copied from interface:
Predicate
- Creates an AND of the predicate with the argument.
- Specified by:
and
in interface Predicate
- Parameters:
predicate
- -
A simple or compound predicate
- Returns:
- the predicate that is the AND of the original simple or compound
predicate and the argument.
or
public Predicate or(Predicate predicate)
- Description copied from interface:
Predicate
- Creates an OR of the predicate with the argument.
- Specified by:
or
in interface Predicate
- Parameters:
predicate
- -
A simple or compound predicate
- Returns:
- the predicate that is the OR of the original simple or compound
predicate and the argument.
not
public Predicate not()
- Description copied from interface:
Predicate
- Creates a negation of the predicate with the argument.
- Specified by:
not
in interface Predicate
- Returns:
- the predicate that is the negation of the original simple or
compound predicate.
asExpression
public String asExpression(AliasContext ctx)
- Description copied from interface:
Visitable
- Get a JPQL fragment as used in WHERE clause.
- Specified by:
asExpression
in interface Visitable
- Overrides:
asExpression
in class AbstractVisitable
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