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virtual_file.md: cleanup

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Karol Lewandowski 2022-03-25 08:07:48 +01:00
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topics/basics/architectural_overview/virtual_file.md
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@ -1,6 +1,6 @@
[//]: # (title: Virtual Files)
<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
<!-- Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license. -->
A [`VirtualFile`](upsource:///platform/core-api/src/com/intellij/openapi/vfs/VirtualFile.java) (VF) is the IntelliJ Platform's representation of a file in a [Virtual File System (VFS)](virtual_file_system.md).
@ -33,7 +33,7 @@ Recursive iteration should be performed using `VfsUtilCore.iterateChildrenRecurs
## Where does it come from?
The VFS is built incrementally by scanning the file system up and down, starting from the project root.
VFS _refreshes_ detect new files appearing in the file system.
VFS _refresh_ operations detect new files appearing in the file system.
A refresh operation can be initiated programmatically using `VirtualFileManager.syncRefresh()`/`asyncRefresh()` or `VirtualFile.refresh()`.
VFS refreshes are also triggered whenever file system watchers receive file system change notifications.
@ -63,12 +63,13 @@ Implement [`BulkFileListener`](upsource:///platform/core-api/src/com/intellij/op
For example:
```java
project.getMessageBus().connect().subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener() {
project.getMessageBus().connect().subscribe(VirtualFileManager.VFS_CHANGES,
new BulkFileListener() {
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
// handle the events
}
});
});
```
See [Message Infrastructure](messaging_infrastructure.md) and [Plugin Listeners](plugin_listeners.md) for more details.