Class MappingMgr

dw.util

Class MappingMgr

Object

dw.util.MappingMgr

Used to manage and interface with mappings loaded into the system via the ImportKeyValueMapping job step. Class can be used to retrieve values for known keys, iterate over all keys known in a mapping or list all known mappings.

Mappings are read into the system using the ImportKeyValueMapping job step.

Generic mapping capability enables you to map keys to values, with the mapping stored in a high-performance data store that is independent of the database. This supports large datasets, with high performance for lookup. An example of using this feature is to map SKUs from a backend system to Commerce Cloud Digital SKUs on-the-fly in Digital script, so that interaction with the backend system is transparent and does not require adding Digital SKUs to the third party system.

mappingNames : Collection (Read Only)

List all known mappings.

This class does not have a constructor, so you cannot create it directly.

static get(mappingName : String, key : MappingKey) : Map

Returns a map containing value(s) associated to the specified key for the specified mapping.

static getFirst(mappingName : String, key : MappingKey) : String

Gets the first string value of a mapping by name and key.

static getMappingNames() : Collection

List all known mappings.

static keyIterator(mappingName : String) : SeekableIterator

Key iterator over known mapping keys by mapping name.

Methods inherited from class Object

assign, create, create, defineProperties, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toLocaleString, toString, valueOf, values

get

static get(mappingName : String, key : MappingKey) : Map

Returns a map containing value(s) associated to the specified key for the specified mapping.

Parameters:

mappingName - the mapping name

key - the key

Throws:

IllegalArgumentException - if mappingName is unknown

getFirst

static getFirst(mappingName : String, key : MappingKey) : String

Gets the first string value of a mapping by name and key. Ordering is determined by the input CSV file. Throws an exception if mappingName does not exist.

Parameters:

mappingName - the mapping name

key - the key

Returns:

the value if a single value. The first value sequentially if a compound value.

Throws:

IllegalArgumentException - if mappingName is unknown

getMappingNames

static getMappingNames() : Collection

List all known mappings.

Returns:

the collection of mapping names

keyIterator

static keyIterator(mappingName : String) : SeekableIterator

Key iterator over known mapping keys by mapping name. Throws an exception if mappingName does not exist.

Parameters:

mappingName - the mapping name

Returns:

the seekable iterator

Throws:

IllegalArgumentException - if mappingName is unknown