131 lines
2.5 KiB
C++
131 lines
2.5 KiB
C++
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#ifndef OMG_DDS_PUB_DETAIL_SAMPLEREF_HPP_
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#define OMG_DDS_PUB_DETAIL_SAMPLEREF_HPP_
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/* Copyright 2010, Object Management Group, Inc.
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* Copyright 2010, PrismTech, Corp.
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* Copyright 2010, Real-Time Innovations, Inc.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace dds
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{
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namespace sub
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{
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namespace detail
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{
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template <typename T>
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class SampleRef;
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}}}
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#include <dds/sub/SampleInfo.hpp>
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#include <org/eclipse/cyclonedds/topic/datatopic.hpp>
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namespace dds
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{
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namespace sub
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{
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namespace detail
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{
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template <typename T>
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class SampleRef
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{
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public:
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SampleRef()
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{
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this->data_ = nullptr;
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}
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SampleRef(ddscxx_serdata<T>* d, const dds::sub::SampleInfo& i)
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{
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this->data_ = d;
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this->info_ = i;
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}
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SampleRef(const SampleRef& other)
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{
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copy(other);
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}
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virtual ~SampleRef()
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{
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if (data_ != nullptr) {
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ddsi_serdata_unref(reinterpret_cast<ddsi_serdata *>(data_));
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}
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}
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SampleRef& operator=(const SampleRef& other)
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{
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if (this != &other)
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{
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copy(other);
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}
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return *this;
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}
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public:
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const T& data() const
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{
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if (data_ == nullptr)
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{
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throw dds::core::Error("Data is Null");
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}
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return *data_->getT();
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}
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const dds::sub::SampleInfo& info() const
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{
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return info_;
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}
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dds::sub::SampleInfo& info()
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{
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return info_;
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}
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bool operator ==(const SampleRef& other) const
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{
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(void)other;
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return false;
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}
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ddscxx_serdata<T>* &data_ptr()
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{
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return this->data_;
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}
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private:
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void copy(const SampleRef& other)
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{
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if (other.data_ == nullptr)
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{
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throw dds::core::Error("Other data is Null");
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}
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static_cast<void>(ddsi_serdata_ref(reinterpret_cast<ddsi_serdata* const>(other.data_)));
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this->data_ = other.data_;
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this->info_ = other.info_;
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}
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ddscxx_serdata<T>* data_;
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dds::sub::SampleInfo info_;
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};
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}
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}
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}
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#endif /* OMG_DDS_PUB_DETAIL_SAMPLEREF_HPP_ */
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