[rules-users] Timers and fireAllRules

Mark Proctor mproctor at codehaus.org
Thu Jun 20 09:44:02 EDT 2013


We'll update the documentation, that was probably the behaviour in an older version. The behaviour should not have rules async firing, unless there is proper async controls, as with fireUntilHalt, otherwise the firings must be constrained within fireAllRules.

Mark
On 20 Jun 2013, at 12:04, Wolfgang Laun <wolfgang.laun at gmail.com> wrote:

>    A rule controlled by a timer becomes active when it matches, and
>    once for each individual match. Its consequence is executed
>    repeatedly, according to the timer's settings. This stops as soon
>    as the condition doesn't match any more.
> 
>    Consequences are executed even after control returns from a call
>    to fireUntilHalt(). Moreover, the Engine remains reactive to any
>    changes made to the Working Memory. For instance, removing a fact
>    that was involved in triggering the timer rule's execution causes
>    the repeated execution to terminate, or inserting a fact so that
>    some rule matches will cause that rule to fire. But the Engine is
>    not continually active, only after a rule fires, for whatever
>    reason. Thus, reactions to an insertion done asynchronously will
>    not happen until the next execution of a timer-controlled rule.
> 
>    Disposing a session puts an end to all timer activity.
> 
>    -W
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