/**
* Gets the transition for an issue. The issue's state is used as the from state to look up the
* available transitions, and to populate the registry.
*
* @param loginData the user to lazy load the transition if it does not exist in the registry
* @param boardConfig The board config
* @param issue the issue to transition.
* @param toState the state to transition to. This is the actual projects state, and not the
* mapped board state
* @return
*/
Transition getTransition(
LoginData loginData, ProjectGroupConfig boardConfig, Issue issue, String toState)
throws IOException {
BoardTransitions boardTransitions = boards.get(boardConfig.getCode());
if (boardTransitions == null) {
synchronized (boards) {
boardTransitions = boards.get(boardConfig.getCode());
if (boardTransitions == null) {
boardTransitions = new BoardTransitions();
boards.put(boardConfig.getCode(), boardTransitions);
}
}
}
return boardTransitions.getTransition(loginData, boardConfig, issue, toState);
}
