lib/y_petri/manipulator.rb in y_petri-2.0.2 vs lib/y_petri/manipulator.rb in y_petri-2.0.3

- old
+ new

@@ -1,598 +1,20 @@ #encoding: utf-8 # Public command interface of YPetri. # class YPetri::Manipulator + attr_reader :workspace - # Current workspace. - # - def workspace; - # puts "Manipulator is #{self}, obj. id #{object_id}." - @workspace - end - def initialize - new_workspace_instance = YPetri::Workspace.new - @workspace = new_workspace_instance - net_point_reset - net_selection_clear - simulation_point_reset - simulation_selection_clear - ssc_point_reset - ssc_selection_clear - cc_point_reset - cc_selection_clear - imc_point_reset - imc_selection_clear + @workspace = YPetri::Workspace.new + super end - delegate :place, :transition, :p, :t, - :places, :transitions, :nets, :simulations, - :pp, :tt, :nn, - :clamp_collections, - :initial_marking_collections, - :simulation_settings_collections, - :clamp_cc, :initial_marking_cc, :simulation_settings_cc, - to: :workspace + require_relative 'manipulator/selection' + require_relative 'manipulator/hash_key_pointer' + require_relative 'manipulator/petri_net_related_methods' + require_relative 'manipulator/simulation_related_methods' - # Place constructor: Creates a new place in the current workspace. - # - def Place *args, &block - workspace.Place.new *args, &block - end - - # Transiton constructor: Creates a new transition in the current workspace. - # - def Transition *args, &block - workspace.Transition.new *args, &block - end - - # Net constructor: Creates a new Net instance in the current workspace. - # - def Net *args, &block - workspace.Net.new *args, &block - end - - # ==== Net point - - # Sets net point to workspace.Net::Top - # - def net_point_reset - net_point_to( workspace.Net::Top ) - end - - # Sets net point to the one identified in the argument (Net instance or - # its name). - # - def net_point_to which_net - @net_point = workspace.net which_net - end - alias :net→ :net_point_to - - # Returns the net identified by the argument, or the net at the point, if - # none given. - # - def net which=nil - which.nil? ? @net_point : workspace.net( which ) - end - - # Returns the name of the net identified by the argument, or the net at the - # point (if no argument is given). - # - def n which=nil - net( which ).name - end - - # ==== Simulation point - - # Sets simulation point to the first key of the workspace's collection of - # simulations (or nil if there are no simulations yet). - # - def simulation_point_reset - @simulation_point = - workspace.simulations.empty? ? nil : - simulation_point_to( workspace.simulations.first[0] ) - end - - # Sets simulation point to the simulation identified by the argument. - # A simulation can be identified either by its name (if named), or by - # its parameters and settings (simulated net, clamp collection, initial - # marking collection, and simulation settings collection). - # - # If a single ordered (non-hash) argument is supplied, it is assumed to be - # a simulation name. If a hash is supplied, it is expected that it will - # contain four pairs with keys :net, :cc, :imc, :ssc, identifying the - # simulation by its parameters and settings. Alternatively, use of hash - # can be forgone - if exactly 4 ordered arguments are supplied, it is - # assumed that they specified the parameter settings in the order set forth - # earlier. - # - def simulation_point_to *args - key = normalize_simulation_identifier *args - @simulation_point = if key.nil? then nil - elsif workspace.simulations.has_key? key then key - else raise "No such simulation" end - end - alias :sim→ :simulation_point_to - - # Returns the simulation identified by the argument, or one indicated by the - # simulation point (if no argument was given). The simulation is identified - # by the arguments in the same way as for #simulation_point_to method. - # - def simulation *args - workspace.simulation( normalize_simulation_identifier *args ) - end - - # TEMPORARY KLUGE - FIXME - # - def simulation; @workspace.simulations.values[-1] end - - # Returns the index (position) of the simulation point. - # - def simulation_point_position - # FIXME: Change @simulations from being a has of { key => simulation } pairs - # to be the hash of { simulation => names } pairs, in which simulations are - # looked up either by rassoc or by sniffing their parameters and settings. - @simulation_point - end - - # ==== cc point (cc = clamp collection) - - # Clamp collections are stored in workplace in a hash. The cc point - # points to its keys. - - # Resets cc point to :base. - # - def cc_point_reset - @cc_point = :Base - end - - # Sets the cc point to the specified cc. - # - def cc_point_to arg - if workspace.clamp_collections.has_key? arg - @cc_point = arg - else - raise "No clamp collection #{arg} in this workspace" - end - end - alias :cc→ :cc_point_to - - # Returns clamp collection corresp. to cc point (if no argument), or to - # the argument (if this was given). - # - def clamp_collection collection_name=nil - cɴ = collection_name.nil? ? @cc_point : collection_name - workspace.clamp_collections[ cɴ ] or - raise AE, "No clamp collection #{cɴ} in this workspace." - end - alias :cc :clamp_collection - - # Returns the cc point position (cc hash key). - # - def cc_point_position; @cc_point end - - # ==== imc point ( imc = initial marking collection ) - - # Initial marking collections are stored in a workplace in a hash. - # The imc point points to its keys. - - # Resets imc point to :base. - # - def imc_point_reset; @imc_point = :Base end - - # Sets the imc point to the specified imc. - # - def imc_point_to arg - if workspace.initial_marking_collections.has_key? arg - @imc_point = arg - else - raise "No initial marking collection #{arg} in this workspace." - end - end - alias :imc→ :imc_point_to - - # Returns initial marking collection corresp. to imc point (if no - # argument), or to the argument (if this was given). - # - def initial_marking_collection collection_name=nil - cɴ = collection_name.nil? ? @imc_point : collection_name - workspace.initial_marking_collections[ cɴ ] or - raise AE, "No initial marking collection #{cɴ} in this workspace." - end - alias :imc :initial_marking_collection - - # Returns the ssc point position (ssc hash key). - # - def imc_point_position; @imc_point end - - # ==== ssc point (ssc = simulation settings collection) - - # Simulation settings collections are stored in workplace in a hash. - # The ssc point of manipulator points to its keys. - - # Resets ssc point to :base. - # - def ssc_point_reset; @ssc_point = :Base end - - # Sets the ssc point to the specified ssc. - # - def ssc_point_to arg - if workspace.simulation_settings_collections.has_key? arg - @ssc_point = arg - else raise "No such simulation settings collection: #{arg}" end - end - alias :ssc→ :ssc_point_to - - # Returns the ssc identified by the argument, or that at ssc point (if no - # argument is given). - # - def simulation_settings_collection collection_name=nil - cɴ = collection_name.nil? ? @ssc_point : collection_name - # puts "Target workspace is #{workspace}, obj. id #{workspace.object_id}" - workspace.simulation_settings_collections[ cɴ ] or - raise AE, "No simulations settings collection #{cɴ} in this workspace." - end - alias :ssc :simulation_settings_collection - - # Returns the ssc point position (ssc hash key). - # - def ssc_point_position; @ssc_point end - - - # ==== Selection mechanism for net, simulation, cc, imc and ssc - # TODO - - # Net selection. - # - attr_reader :net_selection - - # Simulation selection. - # - attr_reader :simulation_selection - - # Simulation settings collection selection. - # - attr_reader :ssc_selection - - # Clamp collection selection. - # - attr_reader :cc_selection - - # Initial marking collection selection. - # - attr_reader :imc_selection - - # ==== Net selection - - def net_selection_clear - @net_selection ||= [] - @net_selection.clear - end - - def net_select! *aa; net_selection_clear; net_select *aa end - - def net_select *aa - case aa.size - when 0 then ( @net_selection << net ).uniq! - when 1 then ( @net_selection << aa[0] ).uniq! - else aa.each { |a| net_select a } end - end - - def net_unselect *aa - if aa.empty? then @net_selection.delete net else - aa.each { |arg| @net_selection.delete net( arg ) } - end - end - - # --- simulation selection --------------------------------------------- - - def simulation_selection_clear - @simulation_selection ||= [] - @simulation_selection.clear - end - - def simulation_select! *aa - simulation_selection_clear - simulation_select *aa - end - - def simulation_select *aa - # FIXME - end - - def simulation_unselect *aa - # FIXME - end - - # --- cc selection ----------------------------------------------------- - - def cc_selection_clear; @cc_selection ||= []; @cc_selection.clear end - - def cc_select! *aa; cc_selection_clear; cc_select *aa end - - def cc_select - # FIXME - end - - def cc_unselect *aa - # FIXME - end - - # --- imc selection ---------------------------------------------------- - - def imc_selection_clear; @imc_selection ||= []; @imc_selection.clear end - - def imc_select! *aa; imc_selection_clear; imc_select *aa end - - def imc_select - # FIXME - end - - def imc_unselect *aa - # FIXME - end - - # --- ssc selection ---------------------------------------------------- - - def ssc_selection_clear; @ssc_selection ||= []; @ssc_selection.clear end - - def ssc_select! *aa; ssc_selection_clear; ssc_select *aa end - - def ssc_select - # FIXME - end - - def ssc_unselect *aa - # FIXME - end - - # --- rest of the world ------------------------------------------------ - # FIXME: This is going to be tested - - def clamp clamp_hash - clamp_hash.each_pair { |pl, cl| - clamp_collection.merge! workspace.place( pl ) => cl - } - end - - # Returns or modifies current initial marking(s) as indicated by the argument - # field: - # * No arguments: returns current imc - # * Exactly one ordered argument: it is assumed to identify a place whose - # im in teh current imc will be returned. - # * A hash: Assumed to be { place_id => im }, current imc is updated with it. - # * One ordered argument, and a hash: The imc identified by the ordered - # ordered arg is updated with the hash. - # * 2 ordered arguments: First is assumed to identify an imc, second place - # whose im acc. to that imc to return. - # - def initial_marking *args; - oo = args.extract_options! - case args.size - when 0 then - if oo.empty? then # no ordered arguments were given, - initial_marking_collection # current imc will be returned - else # hash was supplied, assumed of pairs { place_id => marking }, - initial_marking_collection # it will be merged to imc - .update( oo.with_keys do |key| place( key ) end ) - end - when 1 then # exactly one ordered argument was given, - if oo.empty? then # without any named arguments, it is - place = place( args[0] ) # assumed that it identifies a place, - initial_marking_collection[ place ] # return its init. marking in imc - else # One ordered argument (imc), and one hash (update values) given. - im_coll = initial_marking_collection( args[0] ) - im_coll.update( oo.with_keys do |key| place( key ) end ) - end - when 2 then # 2 ordered arguments (imc, place whose marking to return) - im_coll = initial_marking_collection( args[0] ) - place = place( args[1] ) - im_coll[ place ] - else raise AE, "Too many ordered parameters" end - end - alias :im :initial_marking - - # Changes the time step of the current ssc (ssc = simulation settings - # collection). - # - def set_step Δt - ssc.update step_size: Δt - end - alias :set_step_size :set_step - - # Changes the simulation time of the current ssc (ssc = simulation - # settings collection). - # - def set_time t - ssc.update target_time: t - end - alias :set_target_time :set_time - - # Changes the sampling period of the current ssc (ssc = simulation - # settings collection). - # - def set_sampling Δt - ssc.update sampling_period: Δt - end - - # Changes the simulation method of the current ssc (ssc = simulation - # settings collection). - # - def set_simulation_method m - ssc.update method: m - end - - # Create a new timed simulation and make it available in the simulations - # table. - # - def new_timed_simulation *args, &block - instance = workspace.new_timed_simulation( *args, &block ) - # Set the point to it - simulation_point_to( simulations.rassoc( instance )[0] ) - return instance - end - - # Create a new timed simulation and run it. - # - def run! - new_timed_simulation.run! - end - - # Write the recorded samples in a file (csv). - # - def print_recording( filename = nil ) - if filename.nil? then - puts simulation.recording_csv_string - else - File.open( filename, "w" ) do |f| - f << simulation.recording_csv_string - end - end - end - - # Plot the recorded samples. - # - def plot *args - oo = args.extract_options! - case args.size - when 0 then plot_recording oo - when 1 then - plot_what = args[0] - case plot_what - when :state then plot_recording oo - when :flux then plot_flux oo - when :all then plot_all oo - else plot_selected *args end - else raise "Too many ordered arguments!" end - end - - # Plot the selected features. - # - def plot_selected *args - oo = args.extract_options! - collection = Array args[0] - return nil unless sim = @workspace.simulations.values[-1] # sim@point - # Decide abnout the features - features = sim.places.dup.map { |p| - collection.include?( p ) ? p : nil - } - # Get recording - rec = sim.recording - # Select a time series for each feature. - time_series = features.map.with_index do |feature, i| - feature and rec.map { |key, val| [ key, val[i] ] }.transpose - end - # Time axis - ᴛ = sim.target_time - # Gnuplot call - gnuplot( ᴛ, features.compact.map( &:name ), time_series.compact, - title: "Selected features plot", ylabel: "Marking" ) - end - - - # Plot the recorded samples (system state history). - # - def plot_state( *args ) - oo = args.extract_options! - excluded = Array oo[:except] - return nil unless sim = @workspace.simulations.values[-1] # sim@point - # Decide about the features to plot. - features = excluded.each_with_object sim.places.dup do |x, α| - i = α.index x - α[i] = nil if i - end - # Get recording - rec = sim.recording - # Select a time series for each feature. - time_series = features.map.with_index do |feature, i| - feature and rec.map { |key, val| [ key, val[i] ] }.transpose - end - # Time axis - ᴛ = sim.target_time - # Gnuplot call - gnuplot( ᴛ, features.compact.map( &:name ), time_series.compact, - title: "State plot", ylabel: "Marking" ) - end - - # Plot the recorded flux (computed flux history at the sampling points). - # - def plot_flux( *args ) - oo = args.extract_options! - excluded = Array oo[:except] - return nil unless sim = @workspace.simulations.values[-1] # sim@point - # Decide about the features to plot. - all = sim.SR_transitions - features = excluded.each_with_object all.dup do |x, α| - i = α.index x - if i then α[i] = nil end - end - # Get recording. - rec = sim.recording - # Get flux recording. - flux = rec.modify { |ᴛ, ᴍ| [ ᴛ, sim.at( t: ᴛ, m: ᴍ ).flux_for( *all ) ] } - # Select a time series for each feature. - time_series = features.map.with_index do |feature, i| - feature and flux.map { |ᴛ, flux| [ ᴛ, flux[i] ] }.transpose - end - # Time axis - ᴛ = sim.target_time - # Gnuplot call - gnuplot( ᴛ, features.compact.map( &:name ), time_series.compact, - title: "Flux plot", ylabel: "Flux [µMⁿ.s⁻¹]" ) - end - - private - - # Gnuplots things. - # - def gnuplot( time, labels, time_series, *args ) - labels = labels.dup - time_series = time_series.dup - oo = args.extract_options! - - Gnuplot.open do |gp| - Gnuplot::Plot.new( gp ) do |plot| - plot.xrange "[-0:#{SY::Time.magnitude( time ).amount rescue time}]" - plot.title oo[:title] || "Simulation plot" - plot.ylabel oo[:ylabel] || "Values" - plot.xlabel oo[:xlabel] || "Time [s]" - - labels.zip( time_series ).each { |label, series| - plot.data << Gnuplot::DataSet.new( series ) do |data_series| - data_series.with = "linespoints" - data_series.title = label - end - } - end - end - end - - # Helper method allowing more flexible access to the simulations stored in - # the current workspace. A single, non-hash ordered argument is considered - # a simulation name. A hash argument is assumed to be have keys :net, :cc, - # :imc, :ssc, by which to identify a simulation. Hash keys can be forgone if - # 4 ordered arguments are supplied: These are then considered to represent - # the values of a hash with the above keys, and are converted to such hash. - # Summarizing this, there is a single return value, with which a simulation - # can be identified - this return value is either a hash of simulation - # parameters and settings, if it is a hash, or a simulation name, if it is - # non-hash. - # - def normalize_simulation_identifier *args - oo = args.extract_options! - if args.empty? then - raise AE, "Simulation point position not supplied" if oo.empty? - oo - else - if oo.empty? then - case args.size - when 1 then args[0] - when 4 then Hash[ [:net, :cc, :imc, :ssc].zip( args ) ] - else raise AE, "Wrong number of ordered arguments." end - else - raise AE, "Bad arguments: Can't combine named & ordered args." - end - end - end + include YPetri::Manipulator::PetriNetRelatedMethods + include YPetri::Manipulator::SimulationRelatedMethods end # class YPetri::Manipulator