public function BazCacheContext::getContext in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/Tests/Core/Cache/Context/CacheContextsManagerTest.php \Drupal\Tests\Core\Cache\Context\BazCacheContext::getContext()
2. 10 core/tests/Drupal/Tests/Core/Cache/Context/CacheContextsManagerTest.php \Drupal\Tests\Core\Cache\Context\BazCacheContext::getContext()

Returns the string representation of the cache context.

A cache context service's name is used as a token (placeholder) cache key, and is then replaced with the string returned by this method.

Parameters

string|null $parameter: The parameter, or NULL to indicate all possible parameter values.

Return value

string The string representation of the cache context. When $parameter is NULL, a value representing all possible parameters must be generated.

Throws

\LogicException Thrown if the passed in parameter is invalid.

Overrides CalculatedCacheContextInterface::getContext

File

core/tests/Drupal/Tests/Core/Cache/Context/CacheContextsManagerTest.php, line 264

Contains \Drupal\Tests\Core\Cache\Context\CacheContextsManagerTest.

Class

BazCacheContext

Fake calculated cache context class.

Namespace

Drupal\Tests\Core\Cache\Context

Code

public function getContext($parameter = NULL) {
  if (!is_string($parameter) || strlen($parameter) === 0) {
    throw new \Exception();
  }
  return str_rot13($parameter);
}