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Code Issues Releases Wiki Activity

Use Guava Cache for in-memory caches

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This commit is contained in:
Reinhard Pointner 2019-02-03 01:56:01 +07:00
parent 342ced903d
commit aa0ba70848
1 changed files with 13 additions and 16 deletions
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23
source/net/filebot/format/MediaBindingBean.java
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@ -36,11 +36,16 @@ import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.regex.Pattern;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import net.filebot.ApplicationFolder;
import net.filebot.Language;
import net.filebot.MediaTypes;
@ -60,7 +65,6 @@ import net.filebot.mediainfo.MediaInfoException;
import net.filebot.similarity.Normalization;
import net.filebot.similarity.SimilarityComparator;
import net.filebot.util.FileUtilities;
import net.filebot.util.WeakValueHashMap;
import net.filebot.web.AudioTrack;
import net.filebot.web.Episode;
import net.filebot.web.EpisodeFormat;
@ -79,8 +83,6 @@ public class MediaBindingBean {
private final File mediaFile;
private final Map<File, ?> context;
private MediaInfo mediaInfo;
public MediaBindingBean(Object infoObject, File mediaFile) {
this(infoObject, mediaFile, null);
}
@ -1212,24 +1214,19 @@ public class MediaBindingBean {
return null;
}
private static final Map<File, MediaInfo> sharedMediaInfoObjects = synchronizedMap(new WeakValueHashMap<File, MediaInfo>(64));
private static final Cache<File, MediaInfo> mediaInfoCache = CacheBuilder.newBuilder().expireAfterAccess(5, TimeUnit.MINUTES).build();
private synchronized MediaInfo getMediaInfo() {
// lazy initialize
if (mediaInfo == null) {
// use inferred media file (e.g. actual movie file instead of subtitle file)
File inferredMediaFile = getInferredMediaFile();
mediaInfo = sharedMediaInfoObjects.computeIfAbsent(inferredMediaFile, f -> {
try {
return new MediaInfo().open(f);
} catch (IOException e) {
throw new MediaInfoException(e.getMessage());
}
return mediaInfoCache.get(inferredMediaFile, () -> {
return new MediaInfo().open(inferredMediaFile);
});
} catch (ExecutionException e) {
throw new MediaInfoException(e.getCause().getMessage());
}
return mediaInfo;
}
private Integer identityIndexOf(Iterable<?> c, Object o) {