@Override
public void registerAction(Action action) throws ActionConflictException {
for (Artifact artifact : action.getOutputs()) {
Action previousAction = generatingActionMap.putAndGet(artifact, action);
if (previousAction != null
&& previousAction != action
&& !Actions.canBeShared(action, previousAction)) {
generatingActionMap.remove(artifact, action);
throw new ActionConflictException(artifact, previousAction, action);
}
}
}
@Override
public void unregisterAction(Action action) {
for (Artifact artifact : action.getOutputs()) {
generatingActionMap.remove(artifact, action);
Action otherAction = generatingActionMap.get(artifact);
Preconditions.checkState(
otherAction == null
|| (otherAction != action && Actions.canBeShared(action, otherAction)),
"%s %s",
action,
otherAction);
}
}
@Override
public void clear() {
generatingActionMap.clear();
}
@Override
@Nullable
public Action getGeneratingAction(Artifact artifact) {
return generatingActionMap.get(artifact);
}
