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ExternalResourcesRootsProvider: cache virtual files to avoid expensive lookup on each query

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This commit is contained in:
peter
2019-01-21 12:30:02 +01:00
parent 889e110b0d
commit dc36bbcaed
1 changed files with 5 additions and 11 deletions
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xml/impl/src/com/intellij/javaee/ExternalResourcesRootsProvider.java
+5 -11
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@@ -32,13 +32,13 @@ import java.util.Set;
* @author Dmitry Avdeev
*/
public class ExternalResourcesRootsProvider extends IndexableSetContributor {
private final NotNullLazyValue<Set<String>> myStandardResources = new NotNullLazyValue<Set<String>>() {
private final NotNullLazyValue<Set<VirtualFile>> myStandardResources = new NotNullLazyValue<Set<VirtualFile>>() {
@NotNull
@Override
protected Set<String> compute() {
protected Set<VirtualFile> compute() {
ExternalResourceManagerExImpl manager = (ExternalResourceManagerExImpl)ExternalResourceManager.getInstance();
Set<ExternalResourceManagerExImpl.Resource> dirs = new THashSet<>();
Set<String> set = new THashSet<>();
Set<VirtualFile> set = new THashSet<>();
for (Map<String, ExternalResourceManagerExImpl.Resource> map : manager.getStandardResources()) {
for (ExternalResourceManagerExImpl.Resource resource : map.values()) {
ExternalResourceManagerExImpl.Resource dir = new ExternalResourceManagerExImpl.Resource(
@@ -47,7 +47,7 @@ public class ExternalResourcesRootsProvider extends IndexableSetContributor {
if (dirs.add(dir)) {
String url = resource.getResourceUrl();
if (url != null) {
set.add(url.substring(0, url.lastIndexOf('/') + 1));
ContainerUtil.addIfNotNull(set, VfsUtilCore.findRelativeFile(url.substring(0, url.lastIndexOf('/') + 1), null));
}
}
}
@@ -59,13 +59,7 @@ public class ExternalResourcesRootsProvider extends IndexableSetContributor {
@NotNull
@Override
public Set<VirtualFile> getAdditionalRootsToIndex() {
Set<VirtualFile> roots = new THashSet<>();
for (String url : myStandardResources.getValue()) {
VirtualFile file = VfsUtilCore.findRelativeFile(url, null);
if (file != null) {
roots.add(file);
}
}
Set<VirtualFile> roots = new THashSet<>(myStandardResources.getValue());
String path = FetchExtResourceAction.getExternalResourcesPath();
VirtualFile extResources = LocalFileSystem.getInstance().findFileByPath(path);