cypher_read_app.h

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#ifndef ENGINES_GRAPH_DB_CYPHER_READ_APP_H_
#define ENGINES_GRAPH_DB_CYPHER_READ_APP_H_
#include "flex/engines/graph_db/app/app_base.h"
#include "flex/engines/graph_db/database/graph_db_session.h"
#include "flex/engines/graph_db/runtime/execute/pipeline.h"
#include "flex/proto_generated_gie/physical.pb.h"
 
namespace gs {
class CypherReadApp : public ReadAppBase {
 public:
  CypherReadApp(const GraphDB& db) : db_(db) {}
 
  AppType type() const override { return AppType::kCypherAdhoc; }
 
  bool Query(const GraphDBSession& graph, Decoder& input,
             Encoder& output) override;
 
  const runtime::OprTimer& timer() const { return timer_; }
  runtime::OprTimer& timer() { return timer_; }
 
 private:
  const GraphDB& db_;
  std::unordered_map<std::string, physical::PhysicalPlan> plan_cache_;
  std::unordered_map<std::string, runtime::ReadPipeline> pipeline_cache_;
  runtime::OprTimer timer_;
};
 
class CypherReadAppFactory : public AppFactoryBase {
 public:
  CypherReadAppFactory() = default;
  ~CypherReadAppFactory() = default;
 
  AppWrapper CreateApp(const GraphDB& db) override;
};
 
}  // namespace gs
#endif  // ENGINES_GRAPH_DB_CYPHER_READ_APP_H_