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added pool to export...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2014-01-20 20:57:56 +04:00
parent ac44bdd9b3
commit b319760129
2 changed files with 14 additions and 62 deletions
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65
ui/files.js
View File

@ -842,7 +842,13 @@ function exportImagesTo(path, im_name, dir_name, size){
selection.sort(imageOrderCmp) selection.sort(imageOrderCmp)
var z = (('10e' + (selection.length + '').length) * 1 + '').slice(2) var z = (('10e' + (selection.length + '').length) * 1 + '').slice(2)
var queue = [] var res = $.Deferred()
var pool_size = 100
var pool = makeDefferedPool(pool_size)
.depleted(function(){
showStatusQ('Export: done.')
res.resolve()
})
// go through ribbons... // go through ribbons...
for(var i=DATA.ribbons.length-1; i >= 0; i--){ for(var i=DATA.ribbons.length-1; i >= 0; i--){
@ -860,67 +866,12 @@ function exportImagesTo(path, im_name, dir_name, size){
var o = selection.indexOf(gid) + '' var o = selection.indexOf(gid) + ''
dest = dest.replace('%i', (z + o).slice(o.length)) dest = dest.replace('%i', (z + o).slice(o.length))
queue.push([gid, path, dest, size]) pool.enqueue(null, exportImageTo, [gid, path, dest, size])
} }
path = normalizePath(path +'/'+ dir_name) path = normalizePath(path +'/'+ dir_name)
} }
/*
var res = []
// XXX pool this...
queue.forEach(function(e){
res.push(exportImageTo.apply(null, e))
})
return $.when.apply(null, res)
.done(function(){
showStatusQ('Export: done.')
})
*/
// XXX make this generic...
var pool = []
var pool_size = 100
var res = $.Deferred()
var enqueue = function(e){
if(e == null){
return
}
var worker = exportImageTo.apply(null, e)
.done(function(){
// prepare remove self from pool...
var i = pool.indexOf(worker)
// get the next queue item...
var next = queue.splice(0, 1)[0]
// enqueue the next worker if it exists...
if(next != null){
// replace self with next worker...
pool[i] = enqueue(next)
// nothing in queue...
} else {
// remove self...
pool.splice(i, 1)
// empty queue and empty pool mean we are done...
if(pool.length == 0){
showStatusQ('Export: done.')
res.resolve()
}
}
})
.fail(function(){
var i = pool.indexOf(worker)
// remove self...
pool.splice(i, 1)
})
return worker
}
pool = queue.splice(0, pool_size).map(enqueue)
return res return res
} }

11
ui/lib/jli.js
View File

@ -733,7 +733,7 @@ function makeDefferedPool(size){
queue: [], queue: [],
} }
pool._done_handlers = [] pool._deplete_handlers = []
pool._run = function(obj, func, args){ pool._run = function(obj, func, args){
var that = this var that = this
@ -770,7 +770,7 @@ function makeDefferedPool(size){
// empty queue and empty pool mean we are done... // empty queue and empty pool mean we are done...
if(pool.length == 0){ if(pool.length == 0){
that._done() that._deplete()
} }
} }
@ -799,7 +799,7 @@ function makeDefferedPool(size){
return res return res
} }
pool._done(){ pool._deplete(){
var that = this var that = this
this._done_handlers.forEach(function(func){ this._done_handlers.forEach(function(func){
func(that) func(that)
@ -814,8 +814,9 @@ function makeDefferedPool(size){
// start work if we have not already... // start work if we have not already...
this._fill() this._fill()
} }
pool.done = function(func){ // This is called after the pool is populated and depleted...
this._done_handlers.push(func) pool.depleted = function(func){
this._deplete_handlers.push(func)
} }
return pool return pool