I have built an image cache which is an ArrayCollection containing images. I have built functionality so that the cache can hold a max of 250 images. However, the images can be of a different size, so it s better to limit the total memory size of all images in the ArrayCollection.
Does anyone know how I can get the total memory size of an ArrayCollection without looping through all the items in the ArrayCollection?
I m not sure you can. My advice is to create a new collection class based on ArrayCollection (say, ImageCacheCollection) that keeps track of the collection s current memory size and its memory limit. Before you add an image to the collection you first verify that the memory limit won t be exceeded. If it isn t, you add the image to the collection, in the process adding the image s file size to the collection s current memory size.
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