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system-elements-connections

Ways of connecting the elements of the structure​

1. All HARDROLLER libraries​

Are supplied with the executables and loaded into the process memory.

2. Background task handler​

Communicates with the HARDROLLER web server by exchanging data via tables in a PostgreSQL database.

3. HARDROLLER Web Server​

Communicates with Clients via HTTP protocol; with Background Task Handler via tables in PostgreSQL database; Business Application configurations are loaded for execution from a file stored in the database.

4. HARDROLLER SDK​

Compiles metadata and business application configuration code into a single file and submits it to the web server via HTTP.

5. RDBMS​

Interacts with clients using PostgreSQL proprietary protocol.