/**
* Constructs a new instance for managing the given services.
*
* @param services The services to manage
* @throws IllegalArgumentException if not all services are {@linkplain State#NEW new} or if there
* are any duplicate services.
*/
public ServiceManager(Iterable<? extends Service> services) {
ImmutableList<Service> copy = ImmutableList.copyOf(services);
if (copy.isEmpty()) {
// Having no services causes the manager to behave strangely. Notably, listeners are never
// fired. To avoid this we substitute a placeholder service.
logger.log(
Level.WARNING,
"ServiceManager configured with no services. Is your application configured properly?",
new EmptyServiceManagerWarning());
copy = ImmutableList.<Service>of(new NoOpService());
}
this.state = new ServiceManagerState(copy);
this.services = copy;
WeakReference<ServiceManagerState> stateReference =
new WeakReference<ServiceManagerState>(state);
for (Service service : copy) {
service.addListener(new ServiceListener(service, stateReference), directExecutor());
// We check the state after adding the listener as a way to ensure that our listener was added
// to a NEW service.
checkArgument(service.state() == NEW, "Can only manage NEW services, %s", service);
}
// We have installed all of our listeners and after this point any state transition should be
// correct.
this.state.markReady();
}
public enum FaultLevel {
__unsmnp__, // ordinal 0 doesn't map to SNMP enumerations
INFO,
WARN,
ERROR,
FATAL;
static final List<FaultLevel> values = ImmutableList.copyOf(values());
public static final FaultLevel valueOf(int ordinal) {
checkArgument(ordinal > __unsmnp__.ordinal() && ordinal < values.size());
return values.get(ordinal);
}
}
/**
* Creates a CacheBuilderSpec from a string.
*
* @param cacheBuilderSpecification the string form
*/
public static CacheBuilderSpec parse(String cacheBuilderSpecification) {
CacheBuilderSpec spec = new CacheBuilderSpec(cacheBuilderSpecification);
if (!cacheBuilderSpecification.isEmpty()) {
for (String keyValuePair : KEYS_SPLITTER.split(cacheBuilderSpecification)) {
List<String> keyAndValue = ImmutableList.copyOf(KEY_VALUE_SPLITTER.split(keyValuePair));
checkArgument(!keyAndValue.isEmpty(), "blank key-value pair");
checkArgument(
keyAndValue.size() <= 2,
"key-value pair %s with more than one equals sign",
keyValuePair);
// Find the ValueParser for the current key.
String key = keyAndValue.get(0);
ValueParser valueParser = VALUE_PARSERS.get(key);
checkArgument(valueParser != null, "unknown key %s", key);
String value = keyAndValue.size() == 1 ? null : keyAndValue.get(1);
valueParser.parse(spec, key, value);
}
}
return spec;
}
TypeVariableImpl(D genericDeclaration, String name, Type[] bounds) {
disallowPrimitiveType(bounds, "bound for type variable");
this.genericDeclaration = checkNotNull(genericDeclaration);
this.name = checkNotNull(name);
this.bounds = ImmutableList.copyOf(bounds);
}