Class: Eco::Data::Hashes::ArrayDiff

Inherits:
Object
  • Object
show all
Extended by:
Language::Klass::HelpersBuilt
Includes:
Language::AuxiliarLogger
Defined in:
lib/eco/data/hashes/array_diff.rb

Direct Known Subclasses

Locations::NodeDiff::NodesDiff

Instance Attribute Summary collapse

Attributes included from Language::AuxiliarLogger

#logger

Instance Method Summary collapse

Methods included from Language::Klass::InheritableClassVars

#inheritable_attrs, #inheritable_class_vars, #inherited

Methods included from Language::Klass::Naming

#instance_variable_name, #to_constant

Methods included from Language::Klass::Hierarchy

#descendants, #descendants?

Methods included from Language::Klass::Builder

#new_class

Methods included from Language::Klass::Uid

#uid

Methods included from Language::Klass::Resolver

#class_resolver, #resolve_class

Methods included from Language::Klass::Const

#if_const, #redef_without_warning

Methods included from Language::AuxiliarLogger

#log

Constructor Details

#initialize(source_1, source_2, logger: nil) ⇒ ArrayDiff

Returns a new instance of ArrayDiff.



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# File 'lib/eco/data/hashes/array_diff.rb', line 15

def initialize(source_1, source_2, logger: nil)
  @logger   = logger if logger
  @source_1 = source_1
  @source_2 = source_2

  raise "Missing source_1" unless (@src_h_1 = by_key(source_1))
  raise "Missing source_2" unless (@src_h_2 = by_key(source_2))
end

Instance Attribute Details

#source_1 ⇒ Object (readonly)

Returns the value of attribute source_1.



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# File 'lib/eco/data/hashes/array_diff.rb', line 12

def source_1
  @source_1
end

#source_2 ⇒ Object (readonly)

Returns the value of attribute source_2.



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# File 'lib/eco/data/hashes/array_diff.rb', line 12

def source_2
  @source_2
end

#src_h_1 ⇒ Object (readonly)

Returns the value of attribute src_h_1.



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# File 'lib/eco/data/hashes/array_diff.rb', line 13

def src_h_1
  @src_h_1
end

#src_h_2 ⇒ Object (readonly)

Returns the value of attribute src_h_2.



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# File 'lib/eco/data/hashes/array_diff.rb', line 13

def src_h_2
  @src_h_2
end

Instance Method Details

#diffs ⇒ Hash

Note:
  • A Hash::DiffResult object, offers hash_diff with the attrs that have changed value
  • It also allows to know the original value

Returns where key is the key of the record, and value a DiffResult object.

Returns:

  • (Hash) —

    where key is the key of the record, and value a DiffResult object



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# File 'lib/eco/data/hashes/array_diff.rb', line 28

def diffs
  @diffs ||= source_results.select(&:diff?)
end

#diffs? ⇒ Boolean

Returns wheter or not there are differences.

Returns:

  • (Boolean) —

    wheter or not there are differences.



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# File 'lib/eco/data/hashes/array_diff.rb', line 33

def diffs?
  diffs.any?
end

#source_results ⇒ Array<Eco::Data::Hash::DiffResult>

All the items that contain the diff of a node.

Returns:

  • (Array<Eco::Data::Hash::DiffResult>) 


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# File 'lib/eco/data/hashes/array_diff.rb', line 39

def source_results
  @source_results ||=
    paired_sources.each_with_object([]) do |(src_1, src_2), res|
      res << diff_result_class.new(src_1, src_2)
    end
end