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Lines 37-46
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/** a static map with (FileObject, Reference (Folder)) |
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/** a static map with (FileObject, Reference (Folder)) |
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*/ |
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*/ |
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private static final WeakHashMap map = new WeakHashMap (101); |
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private static final WeakHashMap map = new WeakHashMap (101); |
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/** A static of known folder orders. Though we hold the |
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* FolderOrder with a soft reference which can be collected, even |
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* if this happens we would like the new FolderOrder to have any |
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* previously determined order attribute. Otherwise under obscure |
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* circumstances (#15381) it is possible for the IDE to go into an |
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* endless loop recalculating folder orders, since they keep |
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* getting collected. |
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*/ |
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private static final Map knownOrders = Collections.synchronizedMap(new WeakHashMap(50)); // Map<FileObject, Object> |
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/** map of primary files of objects to their index or null */ |
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/** map of names of primary files of objects to their index or null */ |
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private Map order; // Map<FileObject,Integer> |
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private Map order; // Map<String,Integer> |
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/** file to store data in */ |
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/** file to store data in */ |
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private FileObject folder; |
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private FileObject folder; |
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/** if true, partial orderings on disk should be ignored for files in the order */ |
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/** if true, partial orderings on disk should be ignored for files in the order */ |
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Lines 269-274
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doRead (o); |
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doRead (o); |
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previous = o; |
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previous = o; |
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if (previous != null) { |
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knownOrders.put(folder, previous); |
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} |
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FolderList.changedFolderOrder (folder); |
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FolderList.changedFolderOrder (folder); |
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} |
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} |
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Lines 384-389
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FolderOrder order = ref == null ? null : (FolderOrder)ref.get (); |
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FolderOrder order = ref == null ? null : (FolderOrder)ref.get (); |
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if (order == null) { |
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if (order == null) { |
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order = new FolderOrder (folder); |
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order = new FolderOrder (folder); |
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order.previous = knownOrders.get(folder); |
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order.doRead(order.previous); |
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map.put (folder, new SoftReference (order)); |
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map.put (folder, new SoftReference (order)); |
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} |
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} |