Class: CFA::AugeasKeysCache

Inherits:

Object

• Object
• CFA::AugeasKeysCache

Defined in:

lib/cfa/augeas_parser/keys_cache.rb

Overview

A cache that holds all avaiable keys in an Augeas tree. It is used to prevent too many ‘aug.match` calls which are expensive.

Instance Method Summary

• #initialize(aug, prefix) ⇒ AugeasKeysCache constructor

  initialize cache from passed Augeas object.

• #keys_for_prefix(prefix) ⇒ Object

  List of keys available on given prefix.

Constructor Details

#initialize(aug, prefix) ⇒ AugeasKeysCache

initialize cache from passed Augeas object

Parameters:

• aug (::Augeas)
• prefix (String) —

  Augeas path for which cache should be created

# File 'lib/cfa/augeas_parser/keys_cache.rb', line 8

def initialize(aug, prefix)
  fill_cache(aug, prefix)
end

Instance Method Details

#keys_for_prefix(prefix) ⇒ Object

Returns list of keys available on given prefix.

Returns:

• list of keys available on given prefix

# File 'lib/cfa/augeas_parser/keys_cache.rb', line 13

def keys_for_prefix(prefix)
  @cache[prefix] || []
end