public Tuple readOneSync(
Pattern pattern, String restriction, String key, long timeout, Scope scope, Provider provider)
throws TupleSpaceException, TupleSpaceSecurityException {
Tuple tuple = null;
switch (provider) {
case LOCAL:
tuple = localDomain.readOneSync(pattern, restriction, key, timeout, scope);
break;
case INFRA:
tuple = infraDomain.readOneSync(pattern, restriction, key, timeout, scope);
break;
case ADHOC:
tuple = adhocDomain.readOneSync(pattern, restriction, key, timeout, scope);
break;
default: // ANY provider
tuple = localDomain.readOneSync(pattern, restriction, key, timeout, scope);
if (tuple == null || tuple.size() == 0) {
tuple = infraDomain.readOneSync(pattern, restriction, key, timeout, scope);
if (tuple == null || tuple.size() == 0) {
tuple = adhocDomain.readOneSync(pattern, restriction, key, timeout, scope);
}
}
break;
}
return tuple;
}
