org.apache.jackrabbit.core.query.lucene.constraint
Interface Constraint
- All Known Implementing Classes:
- AndConstraint, ChildNodeConstraint, ComparisonConstraint, DescendantNodeConstraint, FullTextConstraint, HierarchyConstraint, LikeConstraint, NotConstraint, OrConstraint, PropertyExistenceConstraint, QueryConstraint, SameNodeConstraint, SelectorBasedConstraint
public interface Constraint
Constraint
defines an interface for a QOM constraint.
evaluate
boolean evaluate(ScoreNode[] row,
Name[] selectorNames,
EvaluationContext context)
throws IOException
- Evaluates this constraint for the given row.
- 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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