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| Original file line number | Diff line number | Diff line change |
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| ecbuild_add_library( | ||
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| TARGET multio-action-tag-filter | ||
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| SOURCES | ||
| TagFilter.cc | ||
| TagFilter.h | ||
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| PRIVATE_INCLUDES | ||
| ${ECKIT_INCLUDE_DIRS} | ||
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| CONDITION | ||
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| PUBLIC_LIBS | ||
| multio | ||
| ) |
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| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * (C) Copyright 1996- ECMWF. | ||
| * | ||
| * This software is licensed under the terms of the Apache Licence Version 2.0 | ||
| * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. | ||
| * In applying this licence, ECMWF does not waive the privileges and immunities | ||
| * granted to it by virtue of its status as an intergovernmental organisation nor | ||
| * does it submit to any jurisdiction. | ||
| */ | ||
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| #include "TagFilter.h" | ||
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| #include <algorithm> | ||
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| #include "eckit/exception/Exceptions.h" | ||
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| #include "multio/LibMultio.h" | ||
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| using multio::message::Message; | ||
| using multio::message::match::MatchReduce; | ||
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| namespace multio::action { | ||
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| //-------------------------------------------------------------------------------------------------- | ||
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| TagFilter::TagFilter(const ComponentConfiguration& compConf) : ChainedAction{compConf}, tags_{} { | ||
| if (compConf.parsedConfig().has("tags")) { | ||
| if (compConf.parsedConfig().isString("tags")) { | ||
| tags_.emplace(message::Message::parseTag(compConf.parsedConfig().getString("tags"))); | ||
| } else if (compConf.parsedConfig().isStringList("tags")) { | ||
| for(const auto& t: compConf.parsedConfig().getStringVector("tags")) { | ||
| tags_.emplace(message::Message::parseTag(t)); | ||
| } | ||
| } else { | ||
| std::ostringstream oss; | ||
| oss << "TagFilter: Key \"tags\" must be a string or list of strings." << compConf.parsedConfig(); | ||
| throw eckit::UserError(oss.str(), Here()); | ||
| } | ||
| } | ||
| } | ||
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| void TagFilter::executeImpl(Message msg) { | ||
| // Tag filter is important for parametrization - | ||
| // otherwise parametrization is made on a custom key "category"... | ||
| // which will be read for all followup metadata that has no explicit key "Tag" | ||
| if (!tags_.empty()) { | ||
| if (auto search = tags_.find(msg.tag()); search == tags_.end()) { | ||
| // Tag not found | ||
| return; | ||
| } | ||
| } | ||
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| executeNext(std::move(msg)); | ||
| } | ||
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| void TagFilter::print(std::ostream& os) const { | ||
| os << "TagFilter("; | ||
| bool first = true; | ||
| for(auto t: tags_) { | ||
| if (!first) { | ||
| os << ", "; | ||
| first = false; | ||
| } | ||
| os << message::Message::tag2str(t); | ||
| } | ||
| } | ||
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| //-------------------------------------------------------------------------------------------------- | ||
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| static ActionBuilder<TagFilter> TagFilterBuilder("tag-filter"); | ||
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| //-------------------------------------------------------------------------------------------------- | ||
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| } // namespace multio::action |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* | ||
| * (C) Copyright 1996- ECMWF. | ||
| * | ||
| * This software is licensed under the terms of the Apache Licence Version 2.0 | ||
| * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. | ||
| * In applying this licence, ECMWF does not waive the privileges and immunities | ||
| * granted to it by virtue of its status as an intergovernmental organisation nor | ||
| * does it submit to any jurisdiction. | ||
| */ | ||
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| /// @author Domokos Sarmany | ||
| /// @author Simon Smart | ||
| /// @author Tiago Quintino | ||
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| /// @date Jan 2019 | ||
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| #pragma once | ||
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| #include <iosfwd> | ||
| #include <iterator> | ||
| #include <set> | ||
| #include <vector> | ||
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| #include "multio/action/ChainedAction.h" | ||
| #include "multio/message/MetadataMatcher.h" | ||
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| namespace multio::action { | ||
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| //---------------------------------------------------------------------------------------------------------------------- | ||
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| class TagFilter : public ChainedAction { | ||
| public: | ||
| explicit TagFilter(const ComponentConfiguration& compConf); | ||
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| private: // methods | ||
| void print(std::ostream& os) const override; | ||
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| bool matches(const message::Message& msg) const; | ||
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| void executeImpl(message::Message msg) override; | ||
| private: // members | ||
| std::unordered_set<message::Message::Tag> tags_; | ||
| }; | ||
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| //---------------------------------------------------------------------------------------------------------------------- | ||
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| } // namespace multio::action |
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