@Provides
static ImmutableSet<Instrumentation> provideInstrumentations(
CaliperOptions options, BenchmarkClass benchmarkClass, ImmutableSet<Instrument> instruments)
throws InvalidBenchmarkException {
ImmutableSet.Builder<Instrumentation> builder = ImmutableSet.builder();
ImmutableSet<String> benchmarkMethodNames = options.benchmarkMethodNames();
Set<String> unusedBenchmarkNames = new HashSet<String>(benchmarkMethodNames);
for (Instrument instrument : instruments) {
for (Method method : findAllBenchmarkMethods(benchmarkClass.benchmarkClass(), instrument)) {
if (benchmarkMethodNames.isEmpty() || benchmarkMethodNames.contains(method.getName())) {
builder.add(instrument.createInstrumentation(method));
unusedBenchmarkNames.remove(method.getName());
}
}
}
if (!unusedBenchmarkNames.isEmpty()) {
throw new InvalidBenchmarkException(
"Invalid benchmark method(s) specified in options: " + unusedBenchmarkNames);
}
return builder.build();
}
