org.apache.openjpa.persistence.query
Class LogicalPredicate
java.lang.Object
   org.apache.openjpa.persistence.query.AbstractVisitable
org.apache.openjpa.persistence.query.AbstractVisitable
       org.apache.openjpa.persistence.query.LogicalPredicate
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:
- andin 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:
- orin 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:
- notin 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:
- asExpressionin interface- Visitable
- Overrides:
- asExpressionin class- AbstractVisitable
 
- 
 
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