io.github.sparqlanything.engine.functions.Forward Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sparql-anything-engine Show documentation

There is a newer version: 0.9.0

Show newest version

/*
 * Copyright (c) 2023 SPARQL Anything Contributors @ http://github.com/sparql-anything
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.github.sparqlanything.engine.functions;

import org.apache.jena.sparql.expr.ExprEvalException;
import org.apache.jena.sparql.expr.NodeValue;
import org.apache.jena.sparql.function.FunctionBase2;
import org.apache.jena.sparql.util.FmtUtils;

public class Forward extends FunctionBase2 implements FXFunction {
	@Override
	public NodeValue exec(NodeValue nodeValue, NodeValue nodeValue1) {
		if(isContainerMembershipProperty(nodeValue) && nodeValue1.isNumber()){
			return asContainerMembershipProperty((getInt(nodeValue) + nodeValue1.getInteger().intValue()));
		} else {
			throw new ExprEvalException("Wrong arguments: " + FmtUtils.stringForNode(nodeValue.asNode()) + ", " + FmtUtils.stringForNode(nodeValue1.asNode())) ;
		}

	}
}