Using Node.js with Caché - InterSystems Documentation

4
Reference for cache.node Methods
This section provides detailed documentation for each of the functions supported by the Caché cache.node module. See
the “Example Data” section for a listing of the data sets used by many of the examples in this section.
The following functions are supported:
• about() — see version().
• close() — closes a previously opened database.
• data() — tests for the existence of a global node.
• function() — invokes a Caché function.
• get() — retrieves a global node.
• global_directory() — returns a list of globals held in the Caché database.
• increment() — adds 1 to the value of an integer in a global node.
• kill() — deletes a global node.
• lock() — locks global nodes for exclusive use.
• merge() — copies all or part of a global to another global.
• next() — gets the next Global subscript on the current level.
• next_node() — gets the next global node in collation order regardless of level.
• open() — opens the specified Caché database.
• order() — see next()
• previous() — gets the previous Global subscript on the current level.
• previous_node() — gets the previous global node in collation order regardless of level.
• retrieve() — recursively retrieves all global nodes defined beneath a specified level.
• set() — sets the value of a global node.
• update() — writes the contents of a JSON object to the Caché database.
• unlock() — unlocks global nodes previously locked by your program.
• version() — returns basic version information about the cache.node module in use and the associated Caché database
(if open).
Using Node.js with Caché 17