+source("./R/util.R")
+
#' Arvados SubCollection Object
#'
#' Update description
public = list(
- initialize = function(name, relativePath, children)
+ initialize = function(name)
{
private$name <- name
- private$relativePath <- relativePath
- private$children <- children
},
getName = function() private$name,
+
+ getRelativePath = function()
+ {
+ relativePath <- c(private$name)
+ parent <- private$parent
+
+ while(!is.null(parent))
+ {
+ relativePath <- c(parent$getName(), relativePath)
+ parent <- parent$getParent()
+ }
+
+ relativePath <- relativePath[relativePath != ""]
+ paste0(relativePath, collapse = "/")
+ },
- getRelativePath = function() private$relativePath,
+ add = function(content)
+ {
+ if("ArvadosFile" %in% class(content) ||
+ "Subcollection" %in% class(content))
+ {
+ childWithSameName <- self$get(content$getName())
+ if(!is.null(childWithSameName))
+ stop(paste("Subcollection already contains ArvadosFile",
+ "or Subcollection with same name."))
+
+ if(!is.null(private$collection))
+ {
+ if(self$getRelativePath() != "")
+ contentPath <- paste0(self$getRelativePath(),
+ "/", content$getFileListing())
+ else
+ contentPath <- content$getFileListing()
+
+ REST <- private$collection$getRESTService()
+ REST$create(contentPath, private$collection$uuid)
+ content$setCollection(private$collection)
+ }
+
+ private$children <- c(private$children, content)
+ content$setParent(self)
+
+ "Content added successfully."
+ }
+ else
+ {
+ stop(paste0("Expected AravodsFile or Subcollection object, got ",
+ paste0("(", paste0(class(content), collapse = ", "), ")"),
+ "."))
+ }
+ },
+
+ remove = function(name)
+ {
+ if(is.character(name))
+ {
+ child <- self$get(name)
+
+ if(is.null(child))
+ stop(paste("Subcollection doesn't contains ArvadosFile",
+ "or Subcollection with specified name."))
+
+ if(!is.null(private$collection))
+ {
+ REST <- private$collection$getRESTService()
+ REST$delete(child$getRelativePath(), private$collection$uuid)
+ child$setCollection(NULL)
+ }
+
+ private$removeChild(name)
+ child$setParent(NULL)
+
+ "Content removed"
+ }
+ else
+ {
+ stop(paste0("Expected character, got ",
+ paste0("(", paste0(class(name), collapse = ", "), ")"),
+ "."))
+ }
+ },
+
+ getFileListing = function(fullPath = TRUE)
+ {
+ content <- private$getContentAsCharVector(fullPath)
+
+ content[order(tolower(content))]
+ },
getSizeInBytes = function()
{
- overallSize = 0
+ if(is.null(private$collection))
+ return(0)
+
+ REST <- private$collection$getRESTService()
+
+ fileSizes <- REST$getResourceSize(paste0(self$getRelativePath(), "/"),
+ private$collection$uuid)
+ return(sum(fileSizes))
+ },
+
+ move = function(newLocation)
+ {
+ if(is.null(private$collection))
+ stop("Subcollection doesn't belong to any collection")
+
+ newLocation <- trimFromEnd(newLocation, "/")
+ nameAndPath <- splitToPathAndName(newLocation)
+
+ newParent <- private$collection$get(nameAndPath$path)
+
+ if(is.null(newParent))
+ {
+ stop("Unable to get destination subcollection")
+ }
+
+ childWithSameName <- newParent$get(nameAndPath$name)
+
+ if(!is.null(childWithSameName))
+ stop("Destination already contains content with same name.")
+
+ REST <- private$collection$getRESTService()
+ REST$move(self$getRelativePath(),
+ paste0(newParent$getRelativePath(), "/", nameAndPath$name),
+ private$collection$uuid)
+
+ private$dettachFromCurrentParent()
+ private$attachToNewParent(newParent)
+
+ private$name <- nameAndPath$name
+
+ "Content moved successfully."
+ },
+
+ get = function(name)
+ {
for(child in private$children)
- overallSize = overallSize + child$getSizeInBytes()
+ {
+ if(child$getName() == name)
+ return(child)
+ }
+
+ return(NULL)
+ },
+
+ getFirst = function()
+ {
+ if(length(private$children) == 0)
+ return(NULL)
+
+ private$children[[1]]
+ },
+
+ setCollection = function(collection, setRecursively = TRUE)
+ {
+ private$collection = collection
- overallSize
+ if(setRecursively)
+ {
+ for(child in private$children)
+ child$setCollection(collection)
+ }
},
- setParent = function(parent) private$parent <- parent
+ getCollection = function() private$collection,
+
+ getParent = function() private$parent,
+
+ setParent = function(newParent) private$parent <- newParent
),
private = list(
- name = NULL,
- relativePath = NULL,
- children = NULL,
- parent = NULL
+ name = NULL,
+ children = NULL,
+ parent = NULL,
+ collection = NULL,
+
+ removeChild = function(name)
+ {
+ numberOfChildren = length(private$children)
+ if(numberOfChildren > 0)
+ {
+ for(childIndex in 1:numberOfChildren)
+ {
+ if(private$children[[childIndex]]$getName() == name)
+ {
+ private$children = private$children[-childIndex]
+ return()
+ }
+ }
+ }
+ },
+
+ attachToNewParent = function(newParent)
+ {
+ #Note: We temporary set parents collection to NULL. This will ensure that
+ # add method doesn't post file on REST.
+ parentsCollection <- newParent$getCollection()
+ newParent$setCollection(NULL, setRecursively = FALSE)
+
+ newParent$add(self)
+
+ newParent$setCollection(parentsCollection, setRecursively = FALSE)
+
+ private$parent <- newParent
+ },
+
+ dettachFromCurrentParent = function()
+ {
+ #Note: We temporary set parents collection to NULL. This will ensure that
+ # remove method doesn't remove this subcollection from REST.
+ parent <- private$parent
+ parentsCollection <- parent$getCollection()
+ parent$setCollection(NULL, setRecursively = FALSE)
+
+ parent$remove(private$name)
+
+ parent$setCollection(parentsCollection, setRecursively = FALSE)
+ },
+
+ getContentAsCharVector = function(fullPath = TRUE)
+ {
+ content <- NULL
+
+ if(fullPath)
+ {
+ for(child in private$children)
+ content <- c(content, child$getFileListing())
+
+ if(private$name != "")
+ content <- unlist(paste0(private$name, "/", content))
+ }
+ else
+ {
+ for(child in private$children)
+ content <- c(content, child$getName())
+ }
+
+ content
+
+ }
),
cloneable = FALSE
)
+
+#' @export print.Subcollection
+print.Subcollection = function(subCollection)
+{
+ collection <- NULL
+ relativePath <- subCollection$getRelativePath()
+
+ if(!is.null(subCollection$getCollection()))
+ {
+ collection <- subCollection$getCollection()$uuid
+
+ if(!subCollection$getName() == "")
+ relativePath <- paste0("/", relativePath)
+ }
+
+ cat(paste0("Type: ", "\"", "Arvados Subcollection", "\""), sep = "\n")
+ cat(paste0("Name: ", "\"", subCollection$getName(), "\""), sep = "\n")
+ cat(paste0("Relative path: ", "\"", relativePath, "\"") , sep = "\n")
+ cat(paste0("Collection: ", "\"", collection, "\""), sep = "\n")
+}