Mercurial > repos > prog > lcmsmatching
diff NcbiCcdsConn.R @ 0:e66bb061af06 draft
planemo upload for repository https://github.com/workflow4metabolomics/lcmsmatching.git commit 3529b25417f8e1a5836474c9adec4b696d35099d-dirty
author | prog |
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date | Tue, 12 Jul 2016 12:02:37 -0400 |
parents | |
children | 253d531a0193 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NcbiCcdsConn.R Tue Jul 12 12:02:37 2016 -0400 @@ -0,0 +1,56 @@ +if ( ! exists('NcbiccdsConn')) { # Do not load again if already loaded + + source('BiodbConn.R') + source('NcbiccdsCompound.R') + + ##################### + # CLASS DECLARATION # + ##################### + + NcbiccdsConn <- setRefClass("NcbiccdsConn", contains = "BiodbConn") + + ############### + # CONSTRUCTOR # + ############### + + NcbiccdsConn$methods( initialize = function(...) { + # From NCBI E-Utility manual: "In order not to overload the E-utility servers, NCBI recommends that users post no more than three URL requests per second and limit large jobs to either weekends or between 9:00 PM and 5:00 AM Eastern time during weekdays". + callSuper(scheduler = UrlRequestScheduler$new(n = 3), ...) + }) + + ########################## + # GET ENTRY CONTENT TYPE # + ########################## + + NcbiccdsConn$methods( getEntryContentType = function(type) { + return(RBIODB.HTML) + }) + + ##################### + # GET ENTRY CONTENT # + ##################### + + NcbiccdsConn$methods( getEntryContent = function(type, id) { + + if (type == RBIODB.COMPOUND) { + + # Initialize return values + content <- rep(NA_character_, length(id)) + + # Request + content <- vapply(id, function(x) .self$.scheduler$getUrl(get.entry.url(RBIODB.NCBICCDS, x)), FUN.VALUE = '') + + return(content) + } + + return(NULL) + }) + + ################ + # CREATE ENTRY # + ################ + + NcbiccdsConn$methods( createEntry = function(type, content, drop = TRUE) { + return(if (type == RBIODB.COMPOUND) createNcbiccdsCompoundFromHtml(content, drop = drop) else NULL) + }) +}