Understanding Linked Data Packet Dynamics

Table of Contents

Chained Package Behavior

A chained package can either be skipped or run as part of the main setup in the following modes:

install
uninstall
maintenance

The chained package conditions are evaluated for install first, then for uninstall. Both conditions are evaluated in this order when the parent setup runs in install, uninstall and maintenance modes.

When these condition fields are left empty, then the chained package will run in the same mode as its parent setup.

A chained package’s run mode depends on three factors:

parent setup run mode
install condition
uninstall condition

The following tables combine these three factors to clarify how the CP (chained package) will behave:

To read the table start from the top left cell then choose a column and a row based on how the conditions you have set in the Chained Packages get resolved.

When the parent package is installed and	CP install condition resolves to TRUE	CP install condition resolves to FALSE	CP install condition field is EMPTY
CP uninstall condition resolves to TRUE	=> CP will be installed	=> CP will be uninstalled	=> CP will be installed
CP uninstall condition resolves to FALSE	=> CP will be installed	=> CP will be skipped	=> CP will be installed
CP uninstall condition field is EMPTY	=> CP will be installed	=> CP will be skipped	=> CP will be installed

When the parent package is uninstalled and	CP install condition resolves to TRUE	CP install condition resolves to FALSE	CP install condition field is EMPTY
CP uninstall condition resolves to TRUE	=> CP will be installed	=> CP will be uninstalled	=> CP will be uninstalled
CP uninstall condition resolves to FALSE	=> CP will be installed	=> CP will be skipped	=> CP will be skipped
CP uninstall condition field is EMPTY	=> CP will be installed	=> CP will be uninstalled	=> CP will be uninstalled

When the parent package runs in maintenance mode and	CP install condition resolves to TRUE	CP install condition resolves to FALSE	CP install condition field is EMPTY
CP uninstall condition resolves to TRUE	=> CP will be installed	=> CP will be uninstalled	=> CP will be uninstalled
CP uninstall condition resolves to FALSE	=> CP will be installed	=> CP will run in maintenance mode	=> CP will run in maintenance mode
CP uninstall condition field is EMPTY	=> CP will be installed	=> CP will run in maintenance mode	=> CP will run in maintenance mode

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Understanding Linked Data Packet Dynamics