Nothing
NLDoCommand <-
function(iterations, ..., nl.obj=NULL)
{
# get internal nl.obj if NULL
if (is.null(nl.obj))
{
nl.obj <- "_nl.intern_"
}
# get NetLogo reference
if (nl.obj %in% .rnetlogo$objects) {
nl.obj <- get(nl.obj, envir=.rnetlogo)
} else {
stop(paste('There is no NetLogo reference stored under the name ',nl.obj,".", sep=""))
}
# preprocessing: evaluate the commands
commands <- lapply(list(...), function(x) {eval.commandobject(x)})
# put all commands together to one string to be evaluated by NetLogo
command <- paste(commands, collapse=" ")
.jcall(nl.obj, "V", "doCommand", .jnew("java/lang/String", command), .jnew("java/lang/Integer", as.integer(iterations)) )
# java error handling
if (!is.null(e<-.jgetEx()))
{
if (.jcheck(silent=TRUE))
{
print(e)
stop()
}
}
}
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