Examples with ExpressionNode com.yahoo.searchlib.rankingexpression.rule.ExpressionNode used on opensource projects

Example 21 with ExpressionNode

use of com.yahoo.searchlib.rankingexpression.rule.ExpressionNode in project vespa by vespa-engine.

the class AbstractArrayContext method extractVariables.

private void extractVariables(ExpressionNode node, Set<String> variables) {
    if (node instanceof ReferenceNode) {
        ReferenceNode fNode = (ReferenceNode) node;
        if (fNode.getArguments().expressions().size() > 0)
            throw new UnsupportedOperationException("Array lookup is not supported with features having arguments)");
        variables.add(fNode.toString());
    } else if (node instanceof CompositeNode) {
        CompositeNode cNode = (CompositeNode) node;
        for (ExpressionNode child : cNode.children()) extractVariables(child, variables);
    }
}