Examples with AggCannotReassignUnassignedTask io.spine.test.aggregate.rejection.AggCannotReassignUnassignedTask used on opensource projects

Example 1 with AggCannotReassignUnassignedTask

use of io.spine.test.aggregate.rejection.AggCannotReassignUnassignedTask in project core-java by SpineEventEngine.

the class TaskAggregate method handle.

@Assign
AggTaskAssigned handle(AggReassignTask command) throws AggCannotReassignUnassignedTask {
    final AggTaskId id = command.getTaskId();
    final UserId newAssignee = command.getAssignee();
    final UserId previousAssignee = getState().getAssignee();
    if (previousAssignee.equals(EMPTY_USER_ID)) {
        throw new AggCannotReassignUnassignedTask(id, previousAssignee);
    }
    final AggTaskAssigned event = taskAssigned(id, previousAssignee, newAssignee);
    return event;
}