Using Node.js with Caché - InterSystems Documentation

global_directory()
Parameters
• node — the global node to be accessed.
• callback_function — a function of the form function(error, result){} used to return results
asynchronously (see “Synchronous vs. Asynchronous cache.node Methods”).
Example 1 (Synchronous)
Result:
result = mydata.get({global: "Customer", subscripts: [9]});
{global: "Customer", subscripts: [9], data: "", defined: 0}
Example 2 (Asynchronous)
mydata.get(
{global: "Customer", subscripts: [1]},
function(error, result) { // callback code }
);
Result:
{global: "Customer", subscripts: [1], data: "Chris Munt", defined: 1}
Note that the ‘defined’ property is set to 1 if the global node is actually defined and set to 0 if it is not.
4.6 global_directory()
The global_directory() method returns a list of globals held in the directory. The number of names returned can be controlled
using the range limiting properties ‘lo’, ‘hi’ and ‘max’ (see “Controlling the amount of data returned by retrieve operations”).
Synchronous
Asynchronous
Parameters
var result = mydata.global_directory(range);
mydata.global_directory (range, callback_function);
• range
• callback_function — a function of the form function(error, result){} used to return results
asynchronously (see “Synchronous vs. Asynchronous cache.node Methods”).
Example 1: Obtain a list of all globals in the directory
mydata.global_directory(
{},
function(error, result) { // callback code }
);
Result:
If successful, an array containing all global names found will be returned.
Using Node.js with Caché 21