Class: NERA::DbFolders

Inherits:
Object
  • Object
show all
Defined in:
lib/nera/nera_db_folders.rb

Overview

This class contains the information of the folder structure

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(db_folder) ⇒ DbFolders

-class methods ———————–



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# File 'lib/nera/nera_db_folders.rb', line 24

def initialize( db_folder)
  if db_folder =~ /\/$/
    @db_folder = db_folder
  else
    @db_folder = db_folder + '/'
  end
  unless valid_db?( @db_folder)
    raise RuntimeError, "Database #{@db_folder} is not a valid database folder."
  end

  # load simulator classes
  Dir.glob( "#{@db_folder}/Simulator_classes/*.rb").each do |lib|
    require lib
  end

  # logger instance
  @logger = Logger.new( path_to_log_file, 8)
  @logger.level = Logger::INFO
end

Instance Attribute Details

#logger ⇒ Object (readonly)

logger instance



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# File 'lib/nera/nera_db_folders.rb', line 18

def logger
  @logger
end

Class Method Details

.create_db(db_folder) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 56

def self.create_db( db_folder)
  if FileTest.directory?( db_folder)
    raise RuntimeError, "Folder #{db_folder} already exists."
  end
  
  if db_folder =~ /\/$/
    db = db_folder
  else
    db = db_folder + '/'
  end
  FileUtils.mkdir( db, :verbose => true)
  FileUtils.mkdir( db + "Jobs/", :verbose => true)
  FileUtils.mkdir( db + "Jobs/Include/", :verbose => true)
  FileUtils.mkdir( db + "Tables/", :verbose => true)
  FileUtils.mkdir( db + "Simulator_classes/", :verbose => true)
  f = NERA::SimulatorRecords.create_table( db + "Tables/simulators.pstore")
  raise "must not happen" unless f
  f = NERA::JobRecords.create_table( db + "Tables/jobs.pstore")
  raise "must not happen" unless f
  File.open( db + 'simulators.yml', 'w') do |io|
    YAML.dump( [], io )
    io.flush
  end
  File.open( db + 'Jobs/jobs.yml', 'w') do |io|
    YAML.dump( [], io )
    io.flush
  end

  return true
end

Instance Method Details

#create_new_parameter_folder(sim_class, param_id) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 157

def create_new_parameter_folder( sim_class, param_id)
  p = path_to_parameter_layer( sim_class)
  return nil unless p

  if param_id.to_i > 99999 or param_id.to_i <= 0
    raise RuntimeError, "The specified parameter id #{param_id} is out of range."
  end
  fold_name = sprintf("%05d/", param_id.to_i)
  if FileTest.directory?( p + fold_name)
    return nil
  end
  FileUtils.mkdir( p + fold_name)
  p = path_to_parameters_table( sim_class)
  p.sub!(/parameters.pstore$/, fold_name)
  FileUtils.mkdir( p)

  File.open( path_to_runs_yaml( sim_class, param_id) , 'w') do |io|
    YAML.dump( [], io )
    io.flush
  end

  return true
end

#create_new_simulator_folder(sim_class) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 103

def create_new_simulator_folder( sim_class)
  unless sim_class.superclass == NERA::Simulator
    raise ArgumentError, "must be a subclass of NERA::Simulator"
  end
  name = sim_class.to_s
  name += '/'
  
  if FileTest.directory?( @db_folder + name) or FileTest.directory?( @db_folder + "Tables/" + name)
    return nil
  end
  FileUtils.mkdir( @db_folder + name, :verbose => true)
  FileUtils.mkdir( @db_folder + "Tables/" + name, :verbose => true)

  File.open( path_to_parameters_yaml( sim_class) , 'w') do |io|
    YAML.dump( [], io )
    io.flush
  end

  return true
end

#path_to_finished_jobs_file ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 233

def path_to_finished_jobs_file
  return @db_folder + "Tables/finished_jobs.yml"
end

#path_to_hosts_yaml ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 237

def path_to_hosts_yaml
  return @db_folder + "Tables/hosts.yml"
end

#path_to_include_layer ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 225

def path_to_include_layer
  return @db_folder + "Jobs/Include/"
end

#path_to_job_layer ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 208

def path_to_job_layer
  return @db_folder + "Jobs/"
end

#path_to_job_script(job_id) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 220

def path_to_job_script(job_id)
  filename = sprintf("j%06d.sh", job_id)
  return path_to_job_layer + filename
end

#path_to_jobs_table ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 212

def path_to_jobs_table
  return @db_folder + "Tables/jobs.pstore"
end

#path_to_jobs_yaml ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 216

def path_to_jobs_yaml
  return path_to_job_layer + "jobs.yml"
end

#path_to_log_file ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 241

def path_to_log_file
  return @db_folder + "Tables/logfile.txt"
end

#path_to_parameter_layer(sim_class) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 124

def path_to_parameter_layer( sim_class)
  unless sim_class.superclass == NERA::Simulator
    raise ArgumentError, "must be a subclass of NERA::Simulator"
  end
  name = sim_class.to_s
  name += '/'
  
  path = @db_folder + name
  if FileTest.directory?(path)
    return path
  else
    return nil
  end
end

#path_to_parameters_table(sim_class) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 139

def path_to_parameters_table( sim_class)
  unless sim_class.superclass == NERA::Simulator
    raise ArgumentError, "must be a subclass of NERA::Simulator"
  end
  name = sim_class.to_s
  name += '/'
  
  path = @db_folder + 'Tables/' + name + 'parameters.pstore'
  unless FileTest.directory?( @db_folder + 'Tables/' + name)
    return nil
  end
  return path
end

#path_to_parameters_yaml(sim_class) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 153

def path_to_parameters_yaml( sim_class)
  return path_to_parameter_layer( sim_class) + 'parameters.yml'
end

#path_to_run_layer(sim_class, param_id) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 181

def path_to_run_layer( sim_class, param_id)
  p = path_to_parameter_layer( sim_class)
  return nil unless p
  if param_id.to_i > 99999 or param_id.to_i <= 0
    return nil
  end
  fold_name = sprintf("%05d/", param_id.to_i)
  path = p + fold_name
  return path
end

#path_to_runs_table(sim_class, param_id) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 192

def path_to_runs_table( sim_class, param_id)
  ppt = path_to_parameters_table( sim_class)
  return nil unless ppt
  if param_id.to_i > 99999 or param_id.to_i <= 0
    return nil
  end
  fold_name = sprintf("%05d/", param_id.to_i)
  path = ppt.sub(/parameters.pstore$/, fold_name)
  raise "must not happen" unless path
  return path + 'runs.pstore'
end

#path_to_runs_yaml(sim_class, param_id) ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 204

def path_to_runs_yaml( sim_class, param_id)
  return path_to_run_layer( sim_class, param_id) + 'runs.yml'
end

#path_to_simulator_layer ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 91

def path_to_simulator_layer
  return @db_folder
end

#path_to_simulators_table ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 95

def path_to_simulators_table
  return "#{@db_folder}Tables/simulators.pstore"
end

#path_to_simulators_yaml ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 99

def path_to_simulators_yaml
  return "#{@db_folder}simulators.yml"
end

#search_include_files ⇒ Object 



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# File 'lib/nera/nera_db_folders.rb', line 229

def search_include_files
  return Dir.glob( path_to_include_layer + "j[0-9][0-9][0-9][0-9][0-9][0-9]*.tar.bz2")
end