public class ChildNodeConstraint extends HierarchyConstraint
ChildNodeConstraint
implements a child node constraint.Constructor and Description |
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ChildNodeConstraint(ChildNodeImpl constraint,
SelectorImpl selector)
Creates a child node constraint from the given QOM
constraint on the given selector . |
Modifier and Type | Method and Description |
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boolean |
evaluate(ScoreNode[] row,
Name[] selectorNames,
EvaluationContext context)
Evaluates this constraint for the given row.
|
getBaseNodeId
getSelector, getSelectorIndex
public ChildNodeConstraint(ChildNodeImpl constraint, SelectorImpl selector)
constraint
on the given selector
.constraint
- the QOM child node constraint.selector
- the selector.public boolean evaluate(ScoreNode[] row, Name[] selectorNames, EvaluationContext context) throws IOException
row
- the current row of score nodes.selectorNames
- the selector names associated with row
.context
- the evaluation context.true
if the row satisfies the constraint,
false
otherwise.IOException
- if an error occurs while evaluating the constraint.Copyright © 2004–2021 The Apache Software Foundation. All rights reserved.