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platform: garbage production by FIleWatcher reduced

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This commit is contained in:
Roman Shevchenko
2013-10-10 19:44:10 +02:00
parent 06b198e058
commit 51a77deff9
1 changed files with 16 additions and 5 deletions
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platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/FileWatcher.java
+16 -5
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@@ -67,6 +67,12 @@ public class FileWatcher {
public final List<String> dirtyPaths = newArrayList();
public final List<String> dirtyPathsRecursive = newArrayList();
public final List<String> dirtyDirectories = newArrayList();
private static DirtyPaths EMPTY = new DirtyPaths();
private boolean isEmpty() {
return dirtyPaths.isEmpty() && dirtyPathsRecursive.isEmpty() && dirtyDirectories.isEmpty();
}
}
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.vfs.impl.local.FileWatcher");
@@ -148,11 +154,16 @@ public class FileWatcher {
@NotNull
public DirtyPaths getDirtyPaths() {
synchronized (myLock) {
DirtyPaths dirtyPaths = myDirtyPaths;
myDirtyPaths = new DirtyPaths();
myLastChangedPathIndex = 0;
for(int i = 0; i < myLastChangedPaths.length; ++i) myLastChangedPaths[i] = null;
return dirtyPaths;
if (!myDirtyPaths.isEmpty()) {
DirtyPaths dirtyPaths = myDirtyPaths;
myDirtyPaths = new DirtyPaths();
myLastChangedPathIndex = 0;
for (int i = 0; i < myLastChangedPaths.length; ++i) myLastChangedPaths[i] = null;
return dirtyPaths;
}
else {
return DirtyPaths.EMPTY;
}
}
}