104 lines
4.0 KiB
C++
104 lines
4.0 KiB
C++
/*------------------------------------------------------------------------------*
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* Architecture & Implementation of DBMS *
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*------------------------------------------------------------------------------*
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* Copyright 2022 Databases and Information Systems Group TU Dortmund *
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* Visit us at *
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* http://dbis.cs.tu-dortmund.de/cms/en/home/ *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
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* OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Authors: *
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* Maximilian Berens <maximilian.berens@tu-dortmund.de> *
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* Roland Kühn <roland.kuehn@cs.tu-dortmund.de> *
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* Jan Mühlig <jan.muehlig@tu-dortmund.de> *
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*------------------------------------------------------------------------------*
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*/
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#pragma once
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#include <memory>
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#include <table/schema.h>
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#include <table/tuple.h>
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namespace beedb::plan::logical
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{
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class NodeInterface;
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}
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namespace beedb::io
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{
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class ExecutionCallback
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{
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public:
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ExecutionCallback() = default;
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virtual ~ExecutionCallback() = default;
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virtual void on_schema(const table::Schema &schema) = 0;
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virtual void on_tuple(const table::Tuple &tuple) = 0;
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virtual void on_plan(const std::unique_ptr<plan::logical::NodeInterface> &plan) = 0;
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};
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class SilentExecutionCallback final : public ExecutionCallback
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{
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public:
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SilentExecutionCallback() = default;
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~SilentExecutionCallback() override = default;
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void on_schema(const table::Schema &) override
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{
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}
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void on_tuple(const table::Tuple &) override
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{
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}
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void on_plan(const std::unique_ptr<plan::logical::NodeInterface> &) override
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{
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}
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};
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class FunctionalExecutionCallback final : public ExecutionCallback
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{
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public:
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FunctionalExecutionCallback(
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std::function<void(const table::Schema &)> &&schema_callback,
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std::function<void(const table::Tuple &)> &&tuple_callback,
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std::function<void(const std::unique_ptr<plan::logical::NodeInterface> &)> &&plan_callback)
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: _schema_callback(std::move(schema_callback)), _tuple_callback(std::move(tuple_callback)),
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_plan_callback(std::move(plan_callback))
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{
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}
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FunctionalExecutionCallback(std::function<void(const table::Schema &)> &&schema_callback,
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std::function<void(const table::Tuple &)> &&tuple_callback)
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: FunctionalExecutionCallback(std::move(schema_callback), std::move(tuple_callback),
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[](const std::unique_ptr<plan::logical::NodeInterface> &) {})
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{
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}
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~FunctionalExecutionCallback() override = default;
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void on_schema(const table::Schema &schema) override
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{
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_schema_callback(schema);
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}
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void on_tuple(const table::Tuple &tuple) override
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{
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_tuple_callback(tuple);
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}
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void on_plan(const std::unique_ptr<plan::logical::NodeInterface> &plan) override
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{
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_plan_callback(plan);
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}
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private:
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std::function<void(const table::Schema &)> _schema_callback;
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std::function<void(const table::Tuple &)> _tuple_callback;
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std::function<void(const std::unique_ptr<plan::logical::NodeInterface> &)> _plan_callback;
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};
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} // namespace beedb::io
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