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performance: directly process VFileEvents

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This commit is contained in:
Maxim.Mossienko
2017-11-20 10:04:52 +01:00
parent 5316037b2b
commit 6a90db882c
1 changed files with 52 additions and 61 deletions
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platform/lang-impl/src/com/intellij/util/indexing/IndexedFilesListener.java
+52 -61
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@@ -18,12 +18,13 @@ package com.intellij.util.indexing;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.roots.ContentIterator;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.*;
import com.intellij.openapi.vfs.impl.BulkVirtualFileListenerAdapter;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileVisitor;
import com.intellij.openapi.vfs.newvfs.BulkFileListener;
import com.intellij.openapi.vfs.newvfs.ManagingFS;
import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
import com.intellij.openapi.vfs.newvfs.events.VFileEvent;
import com.intellij.openapi.vfs.newvfs.events.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -31,7 +32,7 @@ import java.io.File;
import java.io.IOException;
import java.util.List;
public abstract class IndexedFilesListener implements BulkFileListener, VirtualFileListener {
public abstract class IndexedFilesListener implements BulkFileListener {
private final ManagingFS myManagingFS = ManagingFS.getInstance();
@Nullable private final String myConfigPath;
@Nullable private final String myLogPath;
@@ -41,61 +42,6 @@ public abstract class IndexedFilesListener implements BulkFileListener, VirtualF
myLogPath = calcConfigPath(PathManager.getLogPath());
}
@Override
public void fileMoved(@NotNull VirtualFileMoveEvent event) {
buildIndicesForFileRecursively(event.getFile(), false);
}
@Override
public void fileCreated(@NotNull final VirtualFileEvent event) {
buildIndicesForFileRecursively(event.getFile(), false);
}
@Override
public void fileCopied(@NotNull final VirtualFileCopyEvent event) {
buildIndicesForFileRecursively(event.getFile(), false);
}
@Override
public void beforeFileDeletion(@NotNull final VirtualFileEvent event) {
invalidateIndicesRecursively(event.getFile(), false);
}
@Override
public void beforeContentsChange(@NotNull final VirtualFileEvent event) {
invalidateIndicesRecursively(event.getFile(), true);
}
@Override
public void contentsChanged(@NotNull final VirtualFileEvent event) {
buildIndicesForFileRecursively(event.getFile(), true);
}
@Override
public void beforePropertyChange(@NotNull final VirtualFilePropertyEvent event) {
String propertyName = event.getPropertyName();
if (propertyName.equals(VirtualFile.PROP_NAME)) {
// indexes may depend on file name
// name change may lead to filetype change so the file might become not indexable
// in general case have to 'unindex' the file and index it again if needed after the name has been changed
invalidateIndicesRecursively(event.getFile(), false);
} else if (propertyName.equals(VirtualFile.PROP_ENCODING)) {
invalidateIndicesRecursively(event.getFile(), true);
}
}
@Override
public void propertyChanged(@NotNull final VirtualFilePropertyEvent event) {
String propertyName = event.getPropertyName();
if (propertyName.equals(VirtualFile.PROP_NAME)) {
// indexes may depend on file name
buildIndicesForFileRecursively(event.getFile(), false);
} else if (propertyName.equals(VirtualFile.PROP_ENCODING)) {
buildIndicesForFileRecursively(event.getFile(), true);
}
}
protected void buildIndicesForFileRecursively(@NotNull final VirtualFile file, final boolean contentChange) {
if (file.isDirectory()) {
final ContentIterator iterator = fileOrDir -> {
@@ -147,14 +93,59 @@ public abstract class IndexedFilesListener implements BulkFileListener, VirtualF
@Override
public void before(@NotNull List<? extends VFileEvent> events) {
for (VFileEvent event : events) {
BulkVirtualFileListenerAdapter.fireBefore(this, event);
if (event instanceof VFileContentChangeEvent) {
invalidateIndicesRecursively(((VFileContentChangeEvent)event).getFile(), true);
}
else if (event instanceof VFileDeleteEvent) {
invalidateIndicesRecursively(((VFileDeleteEvent)event).getFile(), false);
}
else if (event instanceof VFilePropertyChangeEvent) {
final VFilePropertyChangeEvent pce = (VFilePropertyChangeEvent)event;
String propertyName = pce.getPropertyName();
if (propertyName.equals(VirtualFile.PROP_NAME)) {
// indexes may depend on file name
// name change may lead to filetype change so the file might become not indexable
// in general case have to 'unindex' the file and index it again if needed after the name has been changed
invalidateIndicesRecursively(pce.getFile(), false);
} else if (propertyName.equals(VirtualFile.PROP_ENCODING)) {
invalidateIndicesRecursively(pce.getFile(), true);
}
}
}
}
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
for (VFileEvent event : events) {
BulkVirtualFileListenerAdapter.fireAfter(this, event);
if (event instanceof VFileContentChangeEvent) {
buildIndicesForFileRecursively(((VFileContentChangeEvent)event).getFile(), true);
}
else if (event instanceof VFileCopyEvent) {
final VFileCopyEvent ce = (VFileCopyEvent)event;
final VirtualFile copy = ce.getNewParent().findChild(ce.getNewChildName());
if (copy != null) {
buildIndicesForFileRecursively(copy, false);
}
}
else if (event instanceof VFileCreateEvent) {
final VirtualFile newChild = event.getFile();
if (newChild != null) {
buildIndicesForFileRecursively(newChild, false);
}
}
else if (event instanceof VFileMoveEvent) {
buildIndicesForFileRecursively(((VFileMoveEvent)event).getFile(), false);
}
else if (event instanceof VFilePropertyChangeEvent) {
final VFilePropertyChangeEvent pce = (VFilePropertyChangeEvent)event;
String propertyName = pce.getPropertyName();
if (propertyName.equals(VirtualFile.PROP_NAME)) {
// indexes may depend on file name
buildIndicesForFileRecursively(pce.getFile(), false);
} else if (propertyName.equals(VirtualFile.PROP_ENCODING)) {
buildIndicesForFileRecursively(pce.getFile(), true);
}
}
}
}