@SuppressWarnings({"rawtypes", "unchecked"})
private <T extends Entity> brooklyn.entity.proxying.EntitySpec<?> toCoreEntitySpec(
Class<T> clazz, String name, Map<String, String> configO) {
Map<String, String> config =
(configO == null)
? Maps.<String, String>newLinkedHashMap()
: Maps.newLinkedHashMap(configO);
brooklyn.entity.proxying.EntitySpec<? extends Entity> result;
if (clazz.isInterface()) {
result = brooklyn.entity.proxying.EntitySpec.create(clazz);
} else {
// If this is a concrete class, particularly for an Application class, we want the proxy
// to expose all interfaces it implements.
Class interfaceclazz =
(Application.class.isAssignableFrom(clazz)) ? Application.class : Entity.class;
Set<Class<?>> additionalInterfaceClazzes =
Reflections.getInterfacesIncludingClassAncestors(clazz);
result =
brooklyn.entity.proxying.EntitySpec.create(interfaceclazz)
.impl(clazz)
.additionalInterfaces(additionalInterfaceClazzes);
}
if (!Strings.isEmpty(name)) result.displayName(name);
result.configure(convertFlagsToKeys(result.getImplementation(), config));
return result;
}
private <T> T constructOldStyle(Class<T> clazz, Map<String, ?> flags)
throws InstantiationException, IllegalAccessException, InvocationTargetException {
Optional<T> v =
Reflections.invokeConstructorWithArgs(clazz, new Object[] {MutableMap.copyOf(flags)}, true);
if (v.isPresent()) {
return v.get();
} else {
throw new IllegalStateException(
"No valid constructor defined for "
+ clazz
+ " (expected no-arg or single java.util.Map argument)");
}
}