Package org.iq80.leveldb.impl

Examples of org.iq80.leveldb.impl.VersionEdit

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      }
      try {
         if (stopped) {
            throw new PersistenceException("LevelDB is stopped");
         }
         DBIterator it = db.iterator(new ReadOptions().fillCache(false));
         if (configuration.clearThreshold() <= 0) {
            try {
               for (it.seekToFirst(); it.hasNext(); ) {
                  Map.Entry<byte[], byte[]> entry = it.next();
                  db.delete(entry.getKey());
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      }
      try {
         if (stopped) {
            throw new PersistenceException("LevelDB is stopped");
         }
         DBIterator it = db.iterator(new ReadOptions().fillCache(false));
         try {
            for (it.seekToFirst(); it.hasNext(); ) {
               Map.Entry<byte[], byte[]> entry = it.next();
               entries.add(entry);
               if (entries.size() == batchSize) {
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            }
         }

         List<Long> times = new ArrayList<Long>();
         List<Object> keys = new ArrayList<Object>();
         DBIterator it = expiredDb.iterator(new ReadOptions().fillCache(false));
         long now = ctx.getTimeService().wallClockTime();
         try {
            for (it.seekToFirst(); it.hasNext();) {
               Map.Entry<byte[], byte[]> entry = it.next();
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    @Override
    public byte[] get(byte[] key)
            throws DBException
    {
        return get(key, new ReadOptions());
    }
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    }

    @Override
    public SeekingIteratorAdapter iterator()
    {
        return iterator(new ReadOptions());
    }
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    @Override
    public void put(byte[] key, byte[] value)
            throws DBException
    {
        put(key, value, new WriteOptions());
    }
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    @Override
    public void delete(byte[] key)
            throws DBException
    {
        writeInternal(new WriteBatchImpl().delete(key), new WriteOptions());
    }
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    @Override
    public void write(WriteBatch updates)
            throws DBException
    {
        writeInternal((WriteBatchImpl) updates, new WriteOptions());
    }
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            long previousLogNumber = versions.getPrevLogNumber();
            List<File> filenames = Filename.listFiles(databaseDir);

            List<Long> logs = Lists.newArrayList();
            for (File filename : filenames) {
                FileInfo fileInfo = Filename.parseFileName(filename);

                if (fileInfo != null &&
                        fileInfo.getFileType() == FileType.LOG &&
                        ((fileInfo.getFileNumber() >= minLogNumber) || (fileInfo.getFileNumber() == previousLogNumber))) {
                    logs.add(fileInfo.getFileNumber());
                }
            }

            // Recover in the order in which the logs were generated
            VersionEdit edit = new VersionEdit();
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        for (FileMetaData fileMetaData : versions.getLiveFiles()) {
            live.add(fileMetaData.getNumber());
        }

        for (File file : Filename.listFiles(databaseDir)) {
            FileInfo fileInfo = Filename.parseFileName(file);
            if (fileInfo == null)
              continue;
            long number = fileInfo.getFileNumber();
            boolean keep = true;
            switch (fileInfo.getFileType()) {
                case LOG:
                    keep = ((number >= versions.getLogNumber()) ||
                            (number == versions.getPrevLogNumber()));
                    break;
                case DESCRIPTOR:
                    // Keep my manifest file, and any newer incarnations'
                    // (in case there is a race that allows other incarnations)
                    keep = (number >= versions.getManifestFileNumber());
                    break;
                case TABLE:
                    keep = live.contains(number);
                    break;
                case TEMP:
                    // Any temp files that are currently being written to must
                    // be recorded in pending_outputs_, which is inserted into "live"
                    keep = live.contains(number);
                    break;
                case CURRENT:
                case DB_LOCK:
                case INFO_LOG:
                    keep = true;
                    break;
            }

            if (!keep) {
                if (fileInfo.getFileType() == FileType.TABLE) {
                    tableCache.evict(number);
                }
                // todo info logging system needed
//                Log(options_.info_log, "Delete type=%d #%lld\n",
//                int(type),
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