/**
* Checks the currently queued tasks if there are ones which are no longer blocked by dependencies
* and executes them.
*/
private static final void checkQueueForDependenciesAndExecuteUnblockedTasks() {
// a task has finished, now check tasks in queue if there are ones which are no
// longer blocked
List<ProgressThread> toRemove = new LinkedList<>();
synchronized (LOCK) {
for (ProgressThread pg : queuedThreads) {
if (!pg.isBlockedByDependencies()) {
// busy waiting tasks should not be started here, they will notice themselves
if (!pg.isWaiting()) {
toRemove.add(pg);
EXECUTOR.execute(pg.makeWrapper());
}
}
}
}
// remove here to avoid concurrent modifications
for (ProgressThread pg : toRemove) {
synchronized (LOCK) {
queuedThreads.remove(pg);
}
}
}
