79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// Copyright(c) 2006 to 2020 ZettaScale Technology and others
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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// v. 1.0 which is available at
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// http://www.eclipse.org/org/documents/edl-v10.php.
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//
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// SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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/**
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* @file
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*/
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#ifndef CYCLONEDDS_DDS_PUB_DETAIL_FIND_HPP_
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#define CYCLONEDDS_DDS_PUB_DETAIL_FIND_HPP_
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#include <string>
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#include <dds/pub/DataWriter.hpp>
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#include <dds/pub/Publisher.hpp>
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#include <org/eclipse/cyclonedds/pub/PublisherDelegate.hpp>
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#include <org/eclipse/cyclonedds/pub/AnyDataWriterDelegate.hpp>
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namespace dds
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{
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namespace pub
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{
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template <typename WRITER, typename FwdIterator>
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uint32_t
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find(const dds::pub::Publisher& pub, const std::string& topic_name,
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FwdIterator begin, uint32_t max_size)
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{
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if(max_size > 0) {
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org::eclipse::cyclonedds::pub::AnyDataWriterDelegate::ref_type writer_base = pub.delegate()->find_datawriter(topic_name);
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if (writer_base) {
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/* Cast base writer to typed delegate: */
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typename WRITER::DELEGATE_REF_T writer_typed =
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::std::dynamic_pointer_cast<typename WRITER::DELEGATE_T>(writer_base);
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WRITER dw(writer_typed);
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if(dw != dds::core::null)
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{
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*begin = dw;
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return 1;
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}
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}
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}
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return 0;
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}
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template <typename WRITER, typename BinIterator>
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uint32_t
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find(const dds::pub::Publisher& pub,
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const std::string& topic_name,
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BinIterator begin)
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{
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org::eclipse::cyclonedds::pub::AnyDataWriterDelegate::ref_type writer_base = pub.delegate()->find_datawriter(topic_name);
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if (writer_base) {
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/* Cast base writer to typed delegate: */
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typename WRITER::DELEGATE_REF_T writer_typed =
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::std::dynamic_pointer_cast<typename WRITER::DELEGATE_T>(writer_base);
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WRITER dw(writer_typed);
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if(dw != dds::core::null)
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{
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*begin = dw;
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return 1;
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}
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}
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return 0;
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}
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}
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}
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#endif /* CYCLONEDDS_DDS_PUB_DETAIL_FIND_HPP_ */
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