107108109110111112113114115116117
QueryServices result = services; if (result == null) { synchronized(this) { result = services; if(result == null) { services = result = new QueryServicesImpl(getDefaultProps()); } } } return result; } finally {
919293949596979899100101
QueryServices result = services; if (result == null) { synchronized(this) { result = services; if(result == null) { services = result = new QueryServicesImpl(); } } } return result; }