Class: PuppetX::Puppetlabs::Migration::OverviewModel::Query::ScalarValue

Inherits:

RelationalStep

• Object
• RelationalStep
• PuppetX::Puppetlabs::Migration::OverviewModel::Query::ScalarValue

Defined in:

lib/puppet_x/puppetlabs/migration/overview_model/query.rb

Overview

Returns the first element of a collection

Instance Method Summary

• #evaluate(collection) ⇒ Entity^?

  The entity or nil.

Instance Method Details

#evaluate(collection) ⇒ Entity^?

Returns The entity or nil.

Parameters:

• collection (Array<Entity>) —

  The collection

Returns:

• (Entity, nil) —

  The entity or nil

# File 'lib/puppet_x/puppetlabs/migration/overview_model/query.rb', line 20

def evaluate(collection)
  collection.is_a?(Array) ? collection.first : nil
end