Examples of org.iq80.leveldb.DBIterator.seek()

org.iq80.leveldb.DBIterator.seek()
Repositions the iterator so the key of the next BlockElement returned greater than or equal to the specified targetKey.

        .add(entityId).getBytesForLookup();


    DBIterator iterator = null;
    try {
      iterator = db.iterator();
      iterator.seek(prefix);


      return getEntity(entityId, entityType, revStartTime, fields, iterator,
          prefix, prefix.length);
    } finally {
      IOUtils.cleanup(LOG, iterator);

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          }
          if (limit == null) {
            limit = DEFAULT_LIMIT;
          }
          iterator = db.iterator();
          for (iterator.seek(first); entity.getEvents().size() < limit &&
              iterator.hasNext(); iterator.next()) {
            byte[] key = iterator.peekNext().getKey();
            if (!prefixMatches(prefix, prefix.length, key) || (last != null &&
                WritableComparator.compareBytes(key, 0, key.length, last, 0,
                    last.length) > 0)) {

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        limit = DEFAULT_LIMIT;
      }


      TimelineEntities entities = new TimelineEntities();
      iterator = db.iterator();
      iterator.seek(first);
      // iterate until one of the following conditions is met: limit is
      // reached, there are no more keys, the key prefix no longer matches,
      // or a start time has been specified and reached/exceeded
      while (entities.getEntities().size() < limit && iterator.hasNext()) {
        byte[] key = iterator.peekNext().getKey();

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  List<String> getEntityTypes() throws IOException {
    DBIterator iterator = null;
    try {
      iterator = getDbIterator(false);
      List<String> entityTypes = new ArrayList<String>();
      iterator.seek(ENTITY_ENTRY_PREFIX);
      while (iterator.hasNext()) {
        byte[] key = iterator.peekNext().getKey();
        if (key[0] != ENTITY_ENTRY_PREFIX[0]) {
          break;
        }

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            .add(entityType).getBytesForLookup();
        if (lookupKey[lookupKey.length - 1] != 0x0) {
          throw new IOException("Found unexpected end byte in lookup key");
        }
        lookupKey[lookupKey.length - 1] = 0x1;
        iterator.seek(lookupKey);
      }
      return entityTypes;
    } finally {
      IOUtils.cleanup(LOG, iterator);
    }

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        DBIterator it = levelDBFile.getDb().iterator();


        String keyBuffer = null;
        try {
            String prefix = repositoryName + '\0';
            for (it.seek(keyBuilder(repositoryName, "")); it.hasNext(); it.next()) {
                if (!isRunAllowed()) {
                    break;
                }
                keyBuffer = asString(it.peekNext().getKey());

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        String keyBuffer = null;
        try {
            String prefix = getRepositoryNameCompleted() + '\0';


            for (it.seek(keyBuilder(getRepositoryNameCompleted(), "")); it.hasNext(); it.next()) {
                keyBuffer = asString(it.peekNext().getKey());


                if (!keyBuffer.startsWith(prefix)) {
                    break;
                }

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        DBIterator it = levelDBFile.getDb().iterator();


        String prefix = repositoryName + '\0';
        int count = 0;
        try {
            for (it.seek(keyBuilder(repositoryName, "")); it.hasNext(); it.next()) {
                if (!asString(it.peekNext().getKey()).startsWith(prefix)) {
                    break;
                }
                count++;
            }

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        DBIterator it = levelDBFile.getDb().iterator();


        String keyBuffer = null;
        try {
            String prefix = repositoryName + '\0';
            for (it.seek(keyBuilder(repositoryName, "")); it.hasNext(); it.next()) {
                if (!isRunAllowed()) {
                    break;
                }
                keyBuffer = asString(it.peekNext().getKey());

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        String keyBuffer = null;
        try {
            String prefix = getRepositoryNameCompleted() + '\0';


            for (it.seek(keyBuilder(getRepositoryNameCompleted(), "")); it.hasNext(); it.next()) {
                keyBuffer = asString(it.peekNext().getKey());


                if (!keyBuffer.startsWith(prefix)) {
                    break;
                }

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