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Fix regression issue: com.google.common.cache.CacheLoader$InvalidCacheLoadException: CacheLoader returned null for key

This commit is contained in:
Reinhard Pointner 2019-02-05 12:29:27 +07:00
parent 65da4c15e8
commit 25d92211eb
1 changed files with 7 additions and 6 deletions
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13
source/net/filebot/media/XattrMetaInfo.java
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@ -9,6 +9,7 @@ import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import com.google.common.base.Optional;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
@ -25,8 +26,8 @@ public class XattrMetaInfo {
private final boolean useExtendedFileAttributes;
private final boolean useCreationDate;
private final Cache<File, Object> xattrMetaInfoCache = CacheBuilder.newBuilder().expireAfterAccess(24, TimeUnit.HOURS).build();
private final Cache<File, Object> xattrOriginalNameCache = CacheBuilder.newBuilder().expireAfterAccess(24, TimeUnit.HOURS).build();
private final Cache<File, Optional<Object>> xattrMetaInfoCache = CacheBuilder.newBuilder().expireAfterAccess(24, TimeUnit.HOURS).build();
private final Cache<File, Optional<Object>> xattrOriginalNameCache = CacheBuilder.newBuilder().expireAfterAccess(24, TimeUnit.HOURS).build();
public XattrMetaInfo(boolean useExtendedFileAttributes, boolean useCreationDate) {
this.useExtendedFileAttributes = useExtendedFileAttributes;
@ -63,14 +64,14 @@ public class XattrMetaInfo {
return (String) getXattrValue(xattrOriginalNameCache, file, MetaAttributes::getOriginalName);
}
private Object getXattrValue(Cache<File, Object> cache, File file, Function<MetaAttributes, Object> compute) {
private Object getXattrValue(Cache<File, Optional<Object>> cache, File file, Function<MetaAttributes, Object> compute) {
// try in-memory cache of previously stored xattr metadata
if (!useExtendedFileAttributes) {
return cache.getIfPresent(file);
}
try {
return cache.get(file, () -> compute.apply(xattr(file)));// read only
return cache.get(file, () -> Optional.fromNullable(compute.apply(xattr(file)))).orNull();// read only
} catch (ExecutionException e) {
debug.warning(cause("Failed to read xattr", e.getCause()));
}
@ -117,7 +118,7 @@ public class XattrMetaInfo {
// store metadata object and original name as xattr
try {
if (isMetaInfo(model)) {
xattrMetaInfoCache.put(file, model);
xattrMetaInfoCache.put(file, Optional.of(model));
if (useExtendedFileAttributes) {
xattr.get().setObject(model);
@ -125,7 +126,7 @@ public class XattrMetaInfo {
}
if (original != null && original.length() > 0 && getOriginalName(file) == null) {
xattrOriginalNameCache.put(file, original);
xattrOriginalNameCache.put(file, Optional.of(original));
if (useExtendedFileAttributes) {
xattr.get().setOriginalName(original);