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feature: configurable max prefetch request count (#2632)

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* feature: configurable max prefetch request count

* update name and default value for prefetch number

Co-authored-by: Stefan Silviu <silviu.stefan@atta.systems>
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Ștefan Silviu-Alexandru 2022-01-13 15:18:29 +02:00 committed by GitHub
parent d7ba2fac69
commit e4b0552db4
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2 changed files with 7 additions and 0 deletions
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6
platform/core/src/classes/StudyPrefetcher.js
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@ -11,6 +11,7 @@ export class StudyPrefetcher {
requestType: 'prefetch', requestType: 'prefetch',
preventCache: false, preventCache: false,
prefetchDisplaySetsTimeout: 300, prefetchDisplaySetsTimeout: 300,
maxNumPrefetchRequests: 100,
includeActiveDisplaySet: false, includeActiveDisplaySet: false,
}; };
@ -151,6 +152,11 @@ export class StudyPrefetcher {
const nonCachedImageIds = this.filterCachedImageIds(imageIds); const nonCachedImageIds = this.filterCachedImageIds(imageIds);
const imageLoadPoolManager = cornerstone.imageLoadPoolManager; const imageLoadPoolManager = cornerstone.imageLoadPoolManager;
imageLoadPoolManager.maxNumRequests = {
...imageLoadPoolManager.maxNumRequests,
prefetch: this.options.maxNumPrefetchRequests,
};
let requestFn; let requestFn;
if (this.options.preventCache) { if (this.options.preventCache) {
requestFn = id => cornerstone.loadImage(id); requestFn = id => cornerstone.loadImage(id);

1
platform/viewer/public/config/default.js
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@ -11,6 +11,7 @@ window.config = {
displaySetCount: 3, displaySetCount: 3,
preventCache: false, preventCache: false,
prefetchDisplaySetsTimeout: 300, prefetchDisplaySetsTimeout: 300,
maxNumPrefetchRequests: 100,
displayProgress: true, displayProgress: true,
includeActiveDisplaySet: true, includeActiveDisplaySet: true,
}, },