StatePredicate.php 991B

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  1. <?php
  2. /*
  3. This program is free software: you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation, either version 3 of the License, or
  6. (at your option) any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program. If not, see <http://www.gnu.org/licenses/>.
  13. */
  14. //require 'Yay/SelfDescribing.php';
  15. /**
  16. * An expectation about what State a state machine is in.
  17. * @author Chris Corbyn <chris@w3style.co.uk>
  18. * @package Yay
  19. */
  20. interface Yay_StatePredicate extends Yay_SelfDescribing
  21. {
  22. /**
  23. * Return true if the state machine is in this state.
  24. * @return boolean
  25. */
  26. public function isActive();
  27. }