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Size: 1.18 KB
Versions: 6
Compression:
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Contents
module Solve
class Demand
# A reference to the solver this demand belongs to
#
# @return [Solve::Solver]
attr_reader :solver
# The name of the artifact this demand is for
#
# @return [String]
attr_reader :name
# The acceptable constraint of the artifact this demand is for
#
# @return [Solve::Constraint]
attr_reader :constraint
# @param [Solve::Solver] solver
# @param [#to_s] name
# @param [Solve::Constraint, #to_s] constraint
def initialize(solver, name, constraint = ">= 0.0.0")
@solver = solver
@name = name
@constraint = if constraint.is_a?(Solve::Constraint)
constraint
else
Constraint.new(constraint.to_s)
end
end
# Remove this demand from the solver it belongs to
#
# @return [Solve::Demand, nil]
def delete
unless solver.nil?
result = solver.remove_demand(self)
@solver = nil
result
end
end
def to_s
"#{name} (#{constraint})"
end
def ==(other)
other.is_a?(self.class) &&
self.name == other.name &&
self.constraint == other.constraint
end
alias_method :eql?, :==
end
end
Version data entries
6 entries across 6 versions & 1 rubygems