in base/src/main/java/org/apache/commons/chain2/base/LookupCommand.java [300:309]
public boolean postprocess(C context, Exception exception) {
Command<K, V, C> command = getCommand(context);
if (command != null) {
if (command instanceof Filter) {
boolean result = ((Filter<K, V, C>) command).postprocess(context, exception);
return !isIgnorePostprocessResult() && result;
}
}
return false;
}