private void init() throws InterruptedException {
EvaluationResult<SkyValue> result;
try (AutoProfiler p = AutoProfiler.logged("evaluation and walkable graph", LOG)) {
result =
graphFactory.prepareAndGet(
universeScope, parserPrefix, loadingPhaseThreads, eventHandler);
}
graph = result.getWalkableGraph();
SkyKey universeKey = graphFactory.getUniverseKey(universeScope, parserPrefix);
universeTargetPatternKeys =
PrepareDepsOfPatternsFunction.getTargetPatternKeys(
PrepareDepsOfPatternsFunction.getSkyKeys(universeKey, eventHandler));
// The prepareAndGet call above evaluates a single PrepareDepsOfPatterns SkyKey.
// We expect to see either a single successfully evaluated value or a cycle in the result.
Collection<SkyValue> values = result.values();
if (!values.isEmpty()) {
Preconditions.checkState(
values.size() == 1,
"Universe query \"%s\" returned multiple" + " values unexpectedly (%s values in result)",
universeScope,
values.size());
Preconditions.checkNotNull(result.get(universeKey), result);
} else {
// No values in the result, so there must be an error. We expect the error to be a cycle.
boolean foundCycle = !Iterables.isEmpty(result.getError().getCycleInfo());
Preconditions.checkState(
foundCycle,
"Universe query \"%s\" failed with non-cycle error: %s",
universeScope,
result.getError());
}
}
