Description Usage Arguments Value Examples
This function returns the list of handlers on a dispatcher type object.
1 | get_handlers(obj)
|
obj |
a dispatcher object. |
get_handlers()
Returns an event
object.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | library(eventr)
library(dplyr)
birth_event <- event(
id = 'first-id',
type = 'BIRTH',
time = '1936-11-09',
birth_date = '1936-11-09'
)
death_event <- event(
id = 'second-id',
type = 'DEATH',
time = '2019-05-22',
death_date = '2019-05-22'
)
set_birth_date <- function(obj, event){
obj$birth_date <- get_body_attr(event, "birth_date")
return(obj)
}
set_death_date <- function(obj, event){
obj$death_date <- get_body_attr(event, "death_date")
return(obj)
}
birth_handler <- handler(type = 'BIRTH', FUN = set_birth_date)
death_handler <- handler(type = 'DEATH', FUN = set_death_date)
handlers <- handlers_list(birth_handler, death_handler)
the_dispatcher <- dispatcher(handlers)
the_handlers <- get_handlers(the_dispatcher)
|
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