Package org.iq80.leveldb

Examples of org.iq80.leveldb.DBComparator

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    public long[] getApproximateSizes(Range... ranges)
    {
        Preconditions.checkNotNull(ranges, "ranges is null");
        long[] sizes = new long[ranges.length];
        for (int i = 0; i < ranges.length; i++) {
            Range range = ranges[i];
            sizes[i] = getApproximateSizes(range);
        }
        return sizes;
    }
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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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