public function RulesPlugin::availableVariables in Rules 7.2

Returns info about variables available to be used as arguments for this element.

As this is called very often, e.g. during integrity checks, we statically cache the results.

See also

RulesPlugin::resetInternalCache()

3 calls to RulesPlugin::availableVariables()

RulesPlugin::applyDataSelector in includes/rules.core.inc

Applies the given data selector.

RulesPlugin::getArgumentInfo in includes/rules.core.inc

Returns info about the configured argument.

RulesPlugin::processSettings in includes/rules.core.inc

Processes the settings e.g. to prepare input evaluators.

1 method overrides RulesPlugin::availableVariables()

RulesContainerPlugin::availableVariables in includes/rules.core.inc

Returns info about variables available to be used as arguments for this element.

File

includes/rules.core.inc, line 765

Rules base classes and interfaces needed for any rule evaluation.

Class

RulesPlugin

Base class for rules plugins.

Code

public function availableVariables() {
  if (!isset($this->availableVariables)) {
    $this->availableVariables = !$this
      ->isRoot() ? $this->parent
      ->stateVariables($this) : RulesState::defaultVariables();
  }
  return $this->availableVariables;
}