Class: Puppet::Pops::UniqueMergeStrategy

Inherits:

MergeStrategy

• Object
• MergeStrategy
• Puppet::Pops::UniqueMergeStrategy

Defined in:

lib/puppet/pops/merge_strategy.rb

Overview

Merges two values that must be either scalar or arrays into a unique set of values.

Scalar values will be converted into a one element arrays and array values will be flattened prior to forming the unique set. The order of the elements is preserved with e1 being the first contributor of elements and e2 the second.

Constant Summary

Constants inherited from MergeStrategy

MergeStrategy::NOT_FOUND, MergeStrategy::TypeAsserter, MergeStrategy::TypeParser

Class Method Summary

• .key ⇒ Object

Instance Method Summary

• #checked_merge(e1, e2) ⇒ Array<Object>

  The unique set of elements.

• #convert_value(e) ⇒ Object

Methods inherited from MergeStrategy

add_strategy, #configuration, #initialize, merge, #merge, #merge_lookup, #options, strategy, strategy_keys

Constructor Details

This class inherits a constructor from Puppet::Pops::MergeStrategy

Class Method Details

.key ⇒ Object

# File 'lib/puppet/pops/merge_strategy.rb', line 236

def self.key
  :unique
end

Instance Method Details

#checked_merge(e1, e2) ⇒ Array<Object>

Returns The unique set of elements.

Parameters:

• e1 (Array<Object>) —

  The first array

• e2 (Array<Object>) —

  The second array

Returns:

• (Array<Object>) —

  The unique set of elements

# File 'lib/puppet/pops/merge_strategy.rb', line 244

def checked_merge(e1, e2)
  convert_value(e1) | convert_value(e2)
end

#convert_value(e) ⇒ Object

# File 'lib/puppet/pops/merge_strategy.rb', line 248

def convert_value(e)
  e.is_a?(Array) ? e.flatten : [e]
end