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ARQ is a SPARQL 1.1 query engine for Apache Jena

There is a newer version: 5.2.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.jena.sparql.expr;

import org.apache.jena.sparql.algebra.Op ;

public class ExprTransformBase implements ExprTransform
{
    @Override public Expr transform(ExprFunction0 func)                                       { return func ; }
    @Override public Expr transform(ExprFunction1 func, Expr expr1)                           { return func ; }
    @Override public Expr transform(ExprFunction2 func, Expr expr1, Expr expr2)               { return func ; }
    @Override public Expr transform(ExprFunction3 func, Expr expr1, Expr expr2, Expr expr3)   { return func ; }
    @Override public Expr transform(ExprFunctionN func, ExprList args)                        { return func ; }
    @Override public Expr transform(ExprFunctionOp funcOp, ExprList args, Op opArg)           { return funcOp ; }
    @Override public Expr transform(NodeValue nv)                                             { return nv ; }
    @Override public Expr transform(ExprNone exprNone)                                        { return exprNone ; }
    @Override public Expr transform(ExprVar ev)                                               { return ev ; }
    @Override public Expr transform(ExprAggregator eAgg)                                      { return eAgg ; }
}