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EDT:Code snippets
Real code for real people!
Please share your code snippets!
General
Variable declarations
someVal int; // defaults to 0 someVal int?; // defaults to null someVal int? = 15; // initializes value to 15 (future value can be null) someVal int = 23; // initializes value to 23 firstName string; // defaults to "" firstName string?; // defaults to null firstName string = "John"; // initializes value to "John" largeVal bigint; // defaults to 0 amount decimal(5,2); // number with 5 total digits (2 after the decimal point). Defaults to 000.00; coord float; // defaults to 0.0 toggle boolean; // defaults to false dob date; // defaults to today's date ts timestamp?; x any?; // value can be set to any value (primitive, object, etc). See casting examples below.
Declare constant
const NUMBEROFDAYS INT = 7;
Denote Nullability
myInt Int[]?;
Rich UI
Services
Dynamic URI
http HttpRest{request.uri="http:host\\myService"}; srvc IRest?; srvc = ServiceLib.completeBind(srvc, http);
HTTP Request Headers
http HttpRest{}; http.request.headers = new Dictionary{key1="a value to pass to my service"}; srvc IRest?{@Resource {}}; srvc = ServiceLib.completeBind(srvc, http);
HTTP Request and Response
function invokeDoSomething() call srvc.doSomething() returning to serviceCallback; end function serviceCallback(returnValueOne String, callbackHttp IHTTP in) // process callback request or response end
Database access
Record definition
record CUSTOMER type Entity{@table{name = "CUSTOMER"}} NAME string COUNTRY string{@id}; STATE string?; CUSTID string; end
Get a record
function getCust{id String in} returns (Customer) ds SQLDataSource?{@resource {}}; aCust Customer; get aCust from ds using(id); return (aCust); end
Add a record
function addCust{customer Customer in} ds SQLDataSource?{@resource {}}; add customer to ds; end
Loop through a SQL result set
function loopCust() ds SQLDataSource?{@resource{bindingkey = "MyDB"}}; rs SQLResultSet?; open rs from ds with #sql{ SELECT * FROM CUSTOMER }; myCust Customer; //Loop through results and write out customer name while(rs.getNext()) get myCust from rs; Syslib.writeStdOut ("Customer name: " + myCust.name); end end
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