class Puppet::Pops::Lookup::LookupKeyFunctionProvider
@api private
Constants
- TAG
Public Instance Methods
invoke_with_location(lookup_invocation, location, root_key, merge)
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# File lib/puppet/pops/lookup/lookup_key_function_provider.rb 25 def invoke_with_location(lookup_invocation, location, root_key, merge) 26 if location.nil? 27 value = lookup_key(root_key, lookup_invocation, nil, merge) 28 lookup_invocation.report_found(root_key, value) 29 else 30 lookup_invocation.with(:location, location) do 31 value = lookup_key(root_key, lookup_invocation, location, merge) 32 lookup_invocation.report_found(root_key, value) 33 end 34 end 35 end
label()
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# File lib/puppet/pops/lookup/lookup_key_function_provider.rb 37 def label 38 'Lookup Key' 39 end
unchecked_key_lookup(key, lookup_invocation, merge)
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Performs a lookup with the assumption that a recursive check has been made.
@param key [LookupKey] The key to lookup @param lookup_invocation [Invocation] The current lookup invocation @param merge [MergeStrategy,String,Hash{String => Object},nil] Merge strategy, merge strategy name, strategy and options hash, or nil (implies “first found”) @return [Object] the found object @throw :no_such_key when the object is not found
# File lib/puppet/pops/lookup/lookup_key_function_provider.rb 16 def unchecked_key_lookup(key, lookup_invocation, merge) 17 root_key = key.root_key 18 lookup_invocation.with(:data_provider, self) do 19 MergeStrategy.strategy(merge).lookup(locations, lookup_invocation) do |location| 20 invoke_with_location(lookup_invocation, location, root_key, merge) 21 end 22 end 23 end
Private Instance Methods
lookup_key(key, lookup_invocation, location, merge)
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# File lib/puppet/pops/lookup/lookup_key_function_provider.rb 43 def lookup_key(key, lookup_invocation, location, merge) 44 unless location.nil? || location.exist? 45 lookup_invocation.report_location_not_found 46 throw :no_such_key 47 end 48 ctx = function_context(lookup_invocation, location) 49 ctx.data_hash ||= {} 50 catch(:no_such_key) do 51 hash = ctx.data_hash 52 unless hash.include?(key) 53 hash[key] = validate_data_value(ctx.function.call(lookup_invocation.scope, key, options(location), Context.new(ctx, lookup_invocation))) do 54 msg = "Value for key '#{key}', returned from #{full_name}" 55 location.nil? ? msg : "#{msg}, when using location '#{location}'," 56 end 57 end 58 return hash[key] 59 end 60 lookup_invocation.report_not_found(key) 61 throw :no_such_key 62 end