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Maven: do not iterate over dir.getChildren() when something is deleted

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This commit is contained in:
Anton.Makeev
2009-11-20 15:06:14 +03:00
parent 11db117548
commit c7ec44de4d
1 changed files with 11 additions and 5 deletions
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plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsManagerWatcher.java
+11 -5
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@@ -34,7 +34,9 @@ import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.openapi.vfs.newvfs.BulkFileListener;
import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
import com.intellij.openapi.vfs.newvfs.events.*;
import com.intellij.openapi.vfs.newvfs.impl.NullVirtualFile;
import com.intellij.openapi.vfs.pointers.VirtualFilePointer;
import com.intellij.openapi.vfs.pointers.VirtualFilePointerListener;
import com.intellij.openapi.vfs.pointers.VirtualFilePointerManager;
@@ -49,9 +51,7 @@ import org.jetbrains.idea.maven.utils.MavenMergingUpdateQueue;
import org.jetbrains.idea.maven.utils.MavenUtil;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.*;
public class MavenProjectsManagerWatcher {
private static final int DOCUMENT_SAVE_DELAY = 1000;
@@ -397,8 +397,14 @@ public class MavenProjectsManagerWatcher {
private void deleteRecursively(VirtualFile f) {
if (isRelevant(f.getPath())) deleteFile(f);
if (f.isDirectory()) {
for (VirtualFile each : f.getChildren()) {
deleteRecursively(each);
// prevent reading directories content if not already cached.
Collection<VirtualFile> children = f instanceof NewVirtualFile
? ((NewVirtualFile)f).getInDbChildren()
: Arrays.asList(f.getChildren());
for (VirtualFile each : children) {
if (each != NullVirtualFile.INSTANCE) {
deleteRecursively(each);
}
}
}
}