Class: Astronoby::CacheKey

Inherits:

Object

• Object
• Astronoby::CacheKey

Defined in:

lib/astronoby/cache.rb

Class Method Summary

• .generate(type, instant, *components) ⇒ Array

  Generate a cache key with appropriate precision.

• .round_terrestrial_time(tt, precision) ⇒ Numeric

  Round terrestrial time to specified precision.

Class Method Details

.generate(type, instant, *components) ⇒ Array

Generate a cache key with appropriate precision

Parameters:

• type (Symbol) —

  The calculation type (e.g., :geometric, :nutation)

• instant (Astronoby::Instant) —

  The time instant

• components (Array) —

  Additional components for the key

Returns:

• (Array) —

  The complete cache key

# File 'lib/astronoby/cache.rb', line 170

def generate(type, instant, *components)
  return nil unless Astronoby.configuration.cache_enabled?

  precision = Astronoby.configuration.cache_precision(type)
  rounded_tt = round_terrestrial_time(instant.tt, precision)
  [type, rounded_tt, *components]
end

.round_terrestrial_time(tt, precision) ⇒ Numeric

Round terrestrial time to specified precision

Parameters:

• tt (Numeric) —

  Terrestrial time value

• precision (Numeric) —

  Precision in seconds

Returns:

• (Numeric) —

  Rounded time value

# File 'lib/astronoby/cache.rb', line 182

def round_terrestrial_time(tt, precision)
  return tt if precision <= 0

  tt.round(precision)
end