<?php

/**
 * @file
 * Provides a batched rule set component to rules.
 *
 * @see rb_batch.rules.inc
 */

/**
 * Batch operation which will take over execution of each rule.
 */
function rb_batch_operation_rule_evaluate($rule, RulesState $initial_state, &$context) {
  // Check wether we have use the initial state or is there already a modified
  // state in batch's runtime context, otherwise initial state is used.
  $state = (isset($context['results']['state']) ? $context['results']['state'] : $initial_state);
  // Execute rule evaluation.
  $rule->evaluate($state);
  // Save current rules state for later batch operations.
  $context['results']['state'] = $state;
  // Check wether there are context changes made by "Alter batch context"
  // action. Parameters of the actions call would be saved in rules state.
  $context['message'] = (isset($state->currentArguments['batch_context_message'])
    ? $state->currentArguments['batch_context_message']
    : $rule->label);
  $context['finished'] = (isset($state->currentArguments['batch_context_finished'])
    ? $state->currentArguments['batch_context_finished']
    : TRUE);
  // Clean up, to make shure that everything processed will be saved.
  $state->cleanUp($rule);
}