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This commit is contained in:
Alexey Kudravtsev
2014-03-17 20:59:59 +04:00
parent 15d941cead
commit b7b83382fd
1 changed files with 38 additions and 24 deletions
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platform/platform-impl/src/com/intellij/openapi/fileTypes/impl/IgnoredFileCache.java
+38 -24
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@@ -22,24 +22,24 @@ import com.intellij.openapi.vfs.newvfs.BulkFileListener;
import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
import com.intellij.openapi.vfs.newvfs.events.VFileEvent;
import com.intellij.openapi.vfs.newvfs.events.VFilePropertyChangeEvent;
import com.intellij.util.containers.ConcurrentBitSet;
import com.intellij.util.containers.ConcurrentIntObjectMap;
import com.intellij.util.containers.StripedLockIntObjectConcurrentHashMap;
import com.intellij.util.containers.IntArrayList;
import com.intellij.util.messages.MessageBusConnection;
import gnu.trove.TIntHashSet;
import org.jetbrains.annotations.NotNull;
import java.util.BitSet;
import java.util.List;
/**
* @author peter
*/
class IgnoredFileCache {
private final ConcurrentBitSet myCheckedIds = new ConcurrentBitSet();
private final ConcurrentIntObjectMap<Object> myIgnoredIds = new StripedLockIntObjectConcurrentHashMap<Object>();
private final BitSet myCheckedIds = new BitSet();
private final TIntHashSet myIgnoredIds = new TIntHashSet();
private final IgnoredPatternSet myIgnoredPatterns;
private volatile int myVfsEventNesting = 0;
private int myVfsEventNesting = 0;
IgnoredFileCache(@NotNull IgnoredPatternSet ignoredPatterns) {
IgnoredFileCache(IgnoredPatternSet ignoredPatterns) {
myIgnoredPatterns = ignoredPatterns;
MessageBusConnection connect = ApplicationManager.getApplication().getMessageBus().connect();
connect.subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener() {
@@ -56,7 +56,17 @@ class IgnoredFileCache {
myVfsEventNesting--;
}
private void clearCacheForChangedFiles(@NotNull List<? extends VFileEvent> events) {
private void clearCacheForChangedFiles(List<? extends VFileEvent> events) {
final IntArrayList ids = collectChangedIds(events);
synchronized (myCheckedIds) {
for (int i : ids.toArray()) {
myCheckedIds.clear(i);
}
}
}
private IntArrayList collectChangedIds(List<? extends VFileEvent> events) {
final IntArrayList ids = new IntArrayList();
for (final VFileEvent event : events) {
VirtualFile file = event.getFile();
if (!(file instanceof NewVirtualFile)) {
@@ -65,23 +75,24 @@ class IgnoredFileCache {
if (event instanceof VFilePropertyChangeEvent) {
int id = ((NewVirtualFile)file).getId();
if (id < 0) {
continue;
if (id >= 0) {
ids.add(id);
}
myCheckedIds.clear(id);
myIgnoredIds.remove(id);
}
}
return ids;
}
});
}
void clearCache() {
myCheckedIds.clear();
myIgnoredIds.clear();
synchronized (myCheckedIds) {
myCheckedIds.clear();
myIgnoredIds.clear();
}
}
boolean isFileIgnored(@NotNull VirtualFile file) {
boolean isFileIgnored(VirtualFile file) {
if (myVfsEventNesting != 0 || !(file instanceof NewVirtualFile)) {
return isFileIgnoredNoCache(file);
}
@@ -91,22 +102,25 @@ class IgnoredFileCache {
return isFileIgnoredNoCache(file);
}
if (myCheckedIds.get(id)) {
return myIgnoredIds.containsKey(id);
synchronized (myCheckedIds) {
if (myCheckedIds.get(id)) {
return myIgnoredIds.contains(id);
}
}
boolean result = isFileIgnoredNoCache(file);
if (result) {
myIgnoredIds.put(id, Boolean.TRUE);
synchronized (myCheckedIds) {
myCheckedIds.set(id);
if (result) {
myIgnoredIds.add(id);
} else {
myIgnoredIds.remove(id);
}
}
else {
myIgnoredIds.remove(id);
}
myCheckedIds.set(id);
return result;
}
private boolean isFileIgnoredNoCache(@NotNull VirtualFile file) {
private boolean isFileIgnoredNoCache(VirtualFile file) {
return myIgnoredPatterns.isIgnored(file.getName());
}
}