ContentFilteredTopic.hpp

// Copyright 2021 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// 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.

 
#ifndef FASTDDS_DDS_TOPIC__CONTENTFILTEREDTOPIC_HPP
#define FASTDDS_DDS_TOPIC__CONTENTFILTEREDTOPIC_HPP
 
#include <fastdds/dds/core/ReturnCode.hpp>
#include <fastdds/dds/topic/TopicDescription.hpp>
#include <fastdds/dds/topic/Topic.hpp>
#include <fastdds/fastdds_dll.hpp>
 
#define FASTDDS_SQLFILTER_NAME eprosima::fastdds::dds::sqlfilter_name
 
namespace eprosima {
namespace fastdds {
namespace dds {
 
class DomainParticipant;
class DomainParticipantImpl;
class ContentFilteredTopicImpl;
 
constexpr const char* const sqlfilter_name = "DDSSQL";

class ContentFilteredTopic : public TopicDescription
{
    friend class DomainParticipantImpl;
 
private:
 
    ContentFilteredTopic(
            const std::string& name,
            Topic* related_topic,
            const std::string& filter_expression,
            const std::vector<std::string>& expression_parameters);
 
public:
 
    virtual ~ContentFilteredTopic();

    FASTDDS_EXPORTED_API Topic* get_related_topic() const;

    FASTDDS_EXPORTED_API const std::string& get_filter_expression() const;

    FASTDDS_EXPORTED_API ReturnCode_t get_expression_parameters(
            std::vector<std::string>& expression_parameters) const;

    FASTDDS_EXPORTED_API ReturnCode_t set_expression_parameters(
            const std::vector<std::string>& expression_parameters);

    FASTDDS_EXPORTED_API ReturnCode_t set_filter_expression(
            const std::string& filter_expression,
            const std::vector<std::string>& expression_parameters);

    FASTDDS_EXPORTED_API DomainParticipant* get_participant() const override;
 
    TopicDescriptionImpl* get_impl() const override;
 
protected:
 
    ContentFilteredTopicImpl* impl_;
 
};
 
} // namespace dds
} // namespace fastdds
} // namespace eprosima
 
#endif  // FASTDDS_DDS_TOPIC__CONTENTFILTEREDTOPIC_HPP