Class: Solve::Solver::VariableTable

Inherits:
Object
  • Object
show all
Defined in:
lib/solve/solver/variable_table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ VariableTable

Returns a new instance of VariableTable.



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# File 'lib/solve/solver/variable_table.rb', line 6

def initialize
  @rows = Array.new
end

Instance Attribute Details

#rows ⇒ Object (readonly)

Returns the value of attribute rows.



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# File 'lib/solve/solver/variable_table.rb', line 4

def rows
  @rows
end

Instance Method Details

#add(artifact, source) ⇒ Object

Parameters:

  • artifact (String)
  • source (String) 


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# File 'lib/solve/solver/variable_table.rb', line 12

def add(artifact, source)
  row = rows.detect { |row| row.artifact == artifact }
  if row.nil?
    @rows << VariableRow.new(artifact, source)
  else
    row.add_source(source)
  end
end

#all_after(artifact) ⇒ Object

Parameters:

  • artifact (String) 


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# File 'lib/solve/solver/variable_table.rb', line 49

def all_after(artifact)
  artifact_index = @rows.index { |row| row.artifact == artifact }
  @rows[(artifact_index+1)..-1]
end

#all_from_source(source) ⇒ Object

Parameters:

  • source (String) 


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# File 'lib/solve/solver/variable_table.rb', line 38

def all_from_source(source)
  @rows.select { |row| row.sources.include?(source) }
end

#before(artifact) ⇒ Object

Parameters:

  • artifact (String) 


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# File 'lib/solve/solver/variable_table.rb', line 43

def before(artifact)
  artifact_index = @rows.index { |row| row.artifact == artifact }
  (artifact_index == 0) ? nil : @rows[artifact_index - 1]
end

#find_artifact(artifact) ⇒ Object

Parameters:

  • artifact (String) 


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# File 'lib/solve/solver/variable_table.rb', line 26

def find_artifact(artifact)
  @rows.detect { |row| row.artifact == artifact }
end

#first_unbound ⇒ Object 



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# File 'lib/solve/solver/variable_table.rb', line 21

def first_unbound
  @rows.detect { |row| row.bound? == false }
end

#remove_all_with_only_this_source!(source) ⇒ Object

Parameters:

  • source (String) 


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# File 'lib/solve/solver/variable_table.rb', line 31

def remove_all_with_only_this_source!(source)
  with_only_this_source, others = @rows.partition { |row| row.sources == [source] }
  @rows = others
  with_only_this_source
end