org.apache.jackrabbit.core.query.lucene.constraint
Class NotConstraint
java.lang.Object
org.apache.jackrabbit.core.query.lucene.constraint.NotConstraint
- All Implemented Interfaces:
- Constraint
public class NotConstraint
- extends Object
- implements Constraint
NotConstraint
implements a NOT constraint.
Constructor Summary |
NotConstraint(Constraint constraint)
Creates a new NOT constraint with the given constraint as
its operand. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NotConstraint
public NotConstraint(Constraint constraint)
- Creates a new NOT constraint with the given
constraint
as
its operand.
- Parameters:
constraint
- the operand.
evaluate
public boolean evaluate(ScoreNode[] row,
Name[] selectorNames,
EvaluationContext context)
throws IOException
- Evaluates this constraint for the given row.
- Specified by:
evaluate
in interface Constraint
- Parameters:
row
- the current row of score nodes.selectorNames
- the selector names associated with row
.context
- the evaluation context.
- Returns:
true
if the row satisfies the constraint,
false
otherwise.
- Throws:
IOException
- if an error occurs while evaluating the constraint.
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