Class: Ruby::Rego::Policy

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby/rego/policy.rb

Overview

Compiled policy for reuse across evaluations.

Instance Method Summary collapse

Constructor Details

#initialize(source, environment_pool: EnvironmentPool.new) ⇒ Policy

Create a compiled policy from source.

Parameters:

  • source (String) —

    Rego source

  • environment_pool (EnvironmentPool) (defaults to: EnvironmentPool.new) —

    optional pool override



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# File 'lib/ruby/rego/policy.rb', line 16

def initialize(source, environment_pool: EnvironmentPool.new)
  @source = source.to_s
  @compiled_module = Ruby::Rego.compile(@source)
  @environment_pool = environment_pool
end

Instance Method Details

#evaluate(input: {}, data: {}, query: nil) ⇒ Result?

Evaluate the policy with the provided input and query.

Parameters:

  • input (Object) (defaults to: {}) —

    input document

  • data (Object) (defaults to: {}) —

    data document

  • query (Object, nil) (defaults to: nil) —

    query path

Returns:

  • (Result, nil) —

    evaluation result, or nil when a query is undefined



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# File 'lib/ruby/rego/policy.rb', line 28

def evaluate(input: {}, data: {}, query: nil)
  ErrorHandling.wrap("evaluation") { evaluate_with_pool(input: input, data: data, query: query) }
end