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Use atomic operations for cache migration

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This commit is contained in:
Amos Ng 2020-06-12 22:02:14 +08:00
parent 4b7c8bb0cb
commit d611f4a6da
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GPG key ID: 89086414F634D123
1 changed files with 3 additions and 2 deletions
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5
src/main/java/mdnet/cache/DiskLruCache.java vendored
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@ -38,6 +38,7 @@ import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
@ -1002,7 +1003,7 @@ public final class DiskLruCache implements Closeable {
Path new_cache = Paths.get(directory + subkeypath + File.separator + key + "." + i);
if (Files.exists(old_cache)) {
try {
Files.move(old_cache, new_cache);
Files.move(old_cache, new_cache, StandardCopyOption.ATOMIC_MOVE);
} catch (FileAlreadyExistsException faee) {
try {
Files.delete(old_cache);
@ -1019,7 +1020,7 @@ public final class DiskLruCache implements Closeable {
Path new_cache = Paths.get(directory + subkeypath + File.separator + key + "." + i + ".tmp");
if (Files.exists(old_cache)) {
try {
Files.move(old_cache, new_cache);
Files.move(old_cache, new_cache, StandardCopyOption.ATOMIC_MOVE);
} catch (FileAlreadyExistsException faee) {
try {
Files.delete(old_cache);