Trajectories.m

classdef Trajectories < SnapshotsGenerator.Cached
% Implementation of a SnapshotsGenerator.Cached for reduced basis generation. The
% generate() method returns a detailed simulation.

  methods
    function rbdg = Trajectories(dmodel, id, force_delete, enable_caching)
      % function rbdg = Trajectories(dmodel, id [, force_delete, enable_caching])
      % constructor for a snapshot generator creating trajectories of DOF
      % vectors by a IDetailedModel.detailed_simulation() call.
      %
      % Parameters:
      %   id:     a unique string identifier for this object.
      %   force_delete: boolean value indicating whether the cached data shall
      %          be automatically deleted if its inconsistent with the given
      %          'dmodel'. (Default = 'true')
      %   enable_caching: boolean value indicating whether the generated data
      %          shall be stored in a cache. (Default = 'true')
      if nargin < 2 || isempty(id)
        id = 'rb';
      end
      if nargin < 3
        force_delete = [];
      end
      if nargin < 4
        enable_caching = [];
      end
      rbdg = rbdg@SnapshotsGenerator.Cached(dmodel, id, force_delete, enable_caching);
    end

  end

  methods (Access = protected)
    function [U, opt_fields] = generate_impl(this, dmodel, detailed_data, fields)
      if nargin <= 3
        fields = [];
      end
      opt_fields = [];
      sim_data = detailed_simulation(dmodel, detailed_data);
      U = dmodel.get_dofs_from_sim_data(sim_data);
      for i=1:length(fields)
        opt_fields.(fields{i}) = sim_data.(fields{i});
      end
    end
  end
end