Examples with TransitiveTraversalValue com.google.devtools.build.lib.skyframe.TransitiveTraversalValue used on opensource projects

Example 1 with TransitiveTraversalValue

use of com.google.devtools.build.lib.skyframe.TransitiveTraversalValue in project bazel by bazelbuild.

the class SkyQueryEnvironment method buildTransitiveClosure.

@Override
public void buildTransitiveClosure(QueryExpression caller, Set<Target> targets, int maxDepth) throws QueryException, InterruptedException {
    // Everything has already been loaded, so here we just check for errors so that we can
    // pre-emptively throw/report if needed.
    Iterable<SkyKey> transitiveTraversalKeys = makeTransitiveTraversalKeys(targets);
    ImmutableList.Builder<String> errorMessagesBuilder = ImmutableList.builder();
    // First, look for errors in the successfully evaluated TransitiveTraversalValues. They may
    // have encountered errors that they were able to recover from.
    Set<Entry<SkyKey, SkyValue>> successfulEntries = graph.getSuccessfulValues(transitiveTraversalKeys).entrySet();
    Builder<SkyKey> successfulKeysBuilder = ImmutableSet.builder();
    for (Entry<SkyKey, SkyValue> successfulEntry : successfulEntries) {
        successfulKeysBuilder.add(successfulEntry.getKey());
        TransitiveTraversalValue value = (TransitiveTraversalValue) successfulEntry.getValue();
        String firstErrorMessage = value.getFirstErrorMessage();
        if (firstErrorMessage != null) {
            errorMessagesBuilder.add(firstErrorMessage);
        }
    }
    ImmutableSet<SkyKey> successfulKeys = successfulKeysBuilder.build();
    // Next, look for errors from the unsuccessfully evaluated TransitiveTraversal skyfunctions.
    Iterable<SkyKey> unsuccessfulKeys = Iterables.filter(transitiveTraversalKeys, Predicates.not(Predicates.in(successfulKeys)));
    Set<Entry<SkyKey, Exception>> errorEntries = graph.getMissingAndExceptions(unsuccessfulKeys).entrySet();
    for (Map.Entry<SkyKey, Exception> entry : errorEntries) {
        if (entry.getValue() == null) {
            // Targets may be in the graph because they are not in the universe or depend on cycles.
            eventHandler.handle(Event.warn(entry.getKey().argument() + " does not exist in graph"));
        } else {
            errorMessagesBuilder.add(entry.getValue().getMessage());
        }
    }
    // Lastly, report all found errors.
    ImmutableList<String> errorMessages = errorMessagesBuilder.build();
    for (String errorMessage : errorMessages) {
        reportBuildFileError(caller, errorMessage);
    }
}