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