| #ifndef QPID_BROKER_SELECTOREXPRESSION_H |
| #define QPID_BROKER_SELECTOREXPRESSION_H |
| |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #include <iosfwd> |
| #include <string> |
| |
| namespace qpid { |
| namespace broker { |
| |
| class SelectorEnv; |
| |
| class TopExpression { |
| public: |
| virtual ~TopExpression() {}; |
| virtual void repr(std::ostream&) const = 0; |
| virtual bool eval(const SelectorEnv&) const = 0; |
| |
| static TopExpression* parse(const std::string& exp); |
| }; |
| |
| }} |
| |
| #endif |