event_db Directory Reference

Description

Event Metadata System API

C++ interface to the Event Catalogue of the Event Metadata System (EMS) of the BM@N experiment: metadata of the reconstructed events (storage, file, event number, software version, period and run numbers, track count) used to select events by physics criteria. The interface sends HTTP(S) requests to the REST API service of the catalogue with libcurl; the service address and user are set in event_db_settings.h.

Classes

Class	Description
EventCatalogue	Interface to the Event Catalogue: search, get, add (also from a JSON file), update, delete, check and print the event metadata; registration of the storages and software versions; catalogue statistics
EventInfo	Metadata of one event
EventCondition	Condition (attribute, comparison, value) to search for the event metadata

Subdirectories

Directory	Description
macro	Writing the event metadata of the DST files to the catalogue
scheme	SQL scheme and diagram of the Event Metadata Database

Library

EventDb.

The interface is a git submodule developed in the nica_db/eventdb repository at git.jinr.ru.

Directory dependency graph for event_db:

Directories
	macro
	Event metadata macros
	scheme
	Event Metadata Database scheme

Files
	event_db_settings.h
	EventCatalogue.cxx
	EventCatalogue.h