| /* |
| * 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.algebra; |
| |
| import org.apache.jena.sparql.algebra.op.* ; |
| |
| public interface OpVisitor |
| { |
| // Op0 |
| public void visit(OpBGP opBGP) ; |
| public void visit(OpQuadPattern quadPattern) ; |
| public void visit(OpQuadBlock quadBlock) ; |
| public void visit(OpTriple opTriple) ; |
| public void visit(OpQuad opQuad) ; |
| public void visit(OpPath opPath) ; |
| public void visit(OpFind opFind) ; |
| public void visit(OpTable opTable) ; |
| public void visit(OpNull opNull) ; |
| |
| //Op1 |
| public void visit(OpProcedure opProc) ; |
| public void visit(OpPropFunc opPropFunc) ; |
| public void visit(OpFilter opFilter) ; |
| public void visit(OpGraph opGraph) ; |
| public void visit(OpService opService) ; |
| public void visit(OpDatasetNames dsNames) ; |
| public void visit(OpLabel opLabel) ; |
| public void visit(OpAssign opAssign) ; |
| public void visit(OpExtend opExtend) ; |
| |
| // Op2 |
| public void visit(OpJoin opJoin) ; |
| public void visit(OpLeftJoin opLeftJoin) ; |
| public void visit(OpUnion opUnion) ; |
| public void visit(OpDiff opDiff) ; |
| public void visit(OpMinus opMinus) ; |
| public void visit(OpConditional opCondition) ; |
| |
| // OpN |
| public void visit(OpSequence opSequence) ; |
| public void visit(OpDisjunction opDisjunction) ; |
| |
| public default void visit(OpExt opExt) { |
| Op effective = opExt.effectiveOp(); |
| if (effective != null) |
| effective.visit(this); |
| } |
| |
| // OpModifier |
| public void visit(OpList opList) ; |
| public void visit(OpOrder opOrder) ; |
| public void visit(OpProject opProject) ; |
| public void visit(OpReduced opReduced) ; |
| public void visit(OpDistinct opDistinct) ; |
| public void visit(OpSlice opSlice) ; |
| |
| public void visit(OpGroup opGroup) ; |
| public void visit(OpTopN opTop) ; |
| } |