func (self *executorBBS) batchCompareAndSwapTasks(tasksToCAS [][]models.Task, logger *gosteno.Logger) {
done := make(chan struct{}, len(tasksToCAS))
for _, taskPair := range tasksToCAS {
originalStoreNode := storeadapter.StoreNode{
Key: taskSchemaPath(&taskPair[0]),
Value: taskPair[0].ToJSON(),
}
taskPair[1].UpdatedAt = self.timeProvider.Time().UnixNano()
newStoreNode := storeadapter.StoreNode{
Key: taskSchemaPath(&taskPair[1]),
Value: taskPair[1].ToJSON(),
}
go func() {
err := self.store.CompareAndSwap(originalStoreNode, newStoreNode)
if err != nil {
logger.Errord(map[string]interface{}{
"error": err.Error(),
}, "runonce.converge.failed-to-compare-and-swap")
}
done <- struct{}{}
}()
}
for _ = range tasksToCAS {
<-done
}
}