Home
Projects
A project is a container for HCL Link artifacts.
Schemas
Use the schema designer to define, modify, and view schemas. A schema describes the syntax, structure, and semantics of your data.
Type properties
Item properties
Date & Time item subclass properties
Format
Use of format elements

Projects
A project is a container for HCL Link artifacts.
- Flows
  This documentation describes how Flows can be run from REST API, listeners, or they can be scheduled.
- Maps
  Maps define input and output specifications and mapping rules for data transformation.
- Schemas
  Use the schema designer to define, modify, and view schemas. A schema describes the syntax, structure, and semantics of your data.
  - About schemas
    A schema defines the contents of at least one input that you intend to map or one output you intend to map.
  - Subtypes
  - Schema hierarchy
  - Defining data
  - Objects, types, and classes
  - Testing part of a schema
    You can test a schema by generating test data for an item or a group. The schema designer creates source and compiled maps that generate and validate the test data. The test-data-generation map automatically runs and produces a text file with the sample data. After that, the test-data-validation map automatically runs on the sample data file.
  - Type properties
  - Item restrictions
  - Components
  - Partitioning
  - Type inheritance
  - Native XML schema support
    HCL Link provides Native XML schema support.
  - Native JSON schema support
    This documentation describes the Native JSON schema support.
  - Error detection
  - Error recovery
  - Schema analyzer
  - Distinguishable objects
  - Return codes and error messages
- Connections and Actions
  This documentation describes connections and actions.
- Files
  Files are used in various places within HCL Link. HCL Link allows files to be uploaded to the HCL Linkserver.

Use of format elements

If you select the same format element more than once for the same item, that item may not be validated separately. If you specify MON twice, the day of the month is not validated separately for both months. For example, if the date format element MON is used twice for a single item, with the following format string:

MON D-MON D

Suppose the data is this:

Feb 28-Mar 31

28 is not validated for the month of February.

Some combinations of reserved words are invalid. A separator must follow reserved words representing a variable number of digits (D and M for date) if data follows.

For example:

D/M/CCYY is valid.
CCYYM/D is valid.
DMCCYY is invalid.