Ox.queue: add clear method, cleanup documentation
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1 changed files with 19 additions and 15 deletions
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@ -85,17 +85,29 @@ Ox.noop = function() {
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/*@
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Ox.queue <f> Queue of asynchronous function calls with cached results
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The results are cached based on all but the last argument, which is the
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callback.
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fn <f> function
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maxThreads <n> Number of parallel function calls
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callback <f> Callback function
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result <*> Result
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The results are cached based on all arguments to `fn`, except the last one,
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which is the callback.
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(fn, maxThreads) -> <f> Queue function
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.clear <f> Clear method
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fn <f> Queued function
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maxThreads <n|10> Number of parallel function calls
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@*/
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Ox.queue = function(fn, maxThreads) {
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var maxThreads = maxThreads || 10,
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queue = [],
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ret = Ox.cache(function() {
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queue.push(Ox.toArray(arguments));
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process();
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}, {
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async: true,
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key: function(args) {
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return JSON.stringify(args.slice(0, -1));
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}
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}),
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threads = 0;
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ret.clear = function() {
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queue = [];
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};
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function process() {
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var n = Math.min(queue.length, maxThreads - threads);
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if (n) {
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@ -109,13 +121,5 @@ Ox.queue = function(fn, maxThreads) {
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}, process);
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}
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}
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return Ox.cache(function() {
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queue.push(Ox.toArray(arguments));
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process();
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}, {
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async: true,
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key: function(args) {
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return JSON.stringify(args.slice(0, -1));
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}
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});
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return ret;
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};
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