[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2700) Allow setting globals for access by the scoring rules
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https://jira.jboss.org/browse/JBRULES-2700?page=com.atlassian.jira.plugin...
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Geoffrey De Smet commented on JBRULES-2700:
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For another issue, it should be possible to set the RuleBase instead of supplying the DRL
references.
Would that solve this issue? Maybe not because a service needs to be set on the WM, not
the RuleBase which creates the WM.
However, every now and then planner needs to create a new WM (especially once we go
multi-threaded/vm), currently only in debug mode I believe, so setting it on an individual
WM isn't a good solution.
Defining a map of globals to put on any WM that is created, might work.
Allow setting globals for access by the scoring rules
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Key: JBRULES-2700
URL: https://jira.jboss.org/browse/JBRULES-2700
Project: Drools
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Components: drools-planner
Reporter: Wouter Horré
Assignee: Geoffrey De Smet
Currently, it is not possible to set a global variable in the working memory used by the
solver. If a scoring rule needs an external helper for calculating scores (e.g. a
dependency injected with OSGi DS), a workaround using a static variable in some class
accessible by the scoring rules is needed.
The easiest implementation is probably a new method in the Solver interface:
public WorkingMemory getWorkingMemory();
which provides access to the working memory used by the solver.
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