Class: Puppet::Pops::Lookup::LookupKeyFunctionProvider Private

Inherits:
FunctionProvider show all
Defined in:
lib/puppet/pops/lookup/lookup_key_function_provider.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

API:

  • private

Direct Known Subclasses

V3BackendFunctionProvider

Constant Summary collapse

TAG =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

API:

  • private

'lookup_key'.freeze

Instance Attribute Summary

Attributes inherited from FunctionProvider

#function_name, #locations, #parent_data_provider

Instance Method Summary collapse

Methods inherited from FunctionProvider

#function_context, #initialize, #module_name, #name, #options, #to_s

Methods included from DataProvider

ensure_types_initialized, #key_lookup, key_type, #lookup, #module_name, #name, #validate_data_entry, #validate_data_hash, #validate_data_value, value_type

Constructor Details

This class inherits a constructor from Puppet::Pops::Lookup::FunctionProvider

Instance Method Details

#label ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/puppet/pops/lookup/lookup_key_function_provider.rb', line 32

def label
  'Lookup Key'
end

#unchecked_key_lookup(key, lookup_invocation, merge) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Performs a lookup with the assumption that a recursive check has been made.

Parameters:

  • The key to lookup

  • The current lookup invocation

  • Merge strategy, merge strategy name, strategy and options hash, or nil (implies “first found”)

Returns:

  • the found object

API:

  • private



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# File 'lib/puppet/pops/lookup/lookup_key_function_provider.rb', line 16

def unchecked_key_lookup(key, lookup_invocation, merge)
  lookup_invocation.with(:data_provider, self) do
    MergeStrategy.strategy(merge).lookup(locations, lookup_invocation) do |location|
      if location.nil?
        value = lookup_key(key.root_key, lookup_invocation, nil, merge)
        lookup_invocation.report_found(key.root_key, validate_data_value(self, value))
      else
        lookup_invocation.with(:location, location) do
          value = lookup_key(key.root_key, lookup_invocation, location.location, merge)
          lookup_invocation.report_found(key.root_key, validate_data_value(self, value))
        end
      end
    end
  end
end