Examples with BitsArray org.apache.rocketmq.filter.util.BitsArray used on opensource projects

Example 26 with BitsArray

use of org.apache.rocketmq.filter.util.BitsArray in project rocketmq by apache.

the class ExpressionMessageFilter method isMatchedByConsumeQueue.

@Override
public boolean isMatchedByConsumeQueue(Long tagsCode, ConsumeQueueExt.CqExtUnit cqExtUnit) {
    if (null == subscriptionData) {
        return true;
    }
    if (subscriptionData.isClassFilterMode()) {
        return true;
    }
    // by tags code.
    if (ExpressionType.isTagType(subscriptionData.getExpressionType())) {
        if (tagsCode == null) {
            return true;
        }
        if (subscriptionData.getSubString().equals(SubscriptionData.SUB_ALL)) {
            return true;
        }
        return subscriptionData.getCodeSet().contains(tagsCode.intValue());
    } else {
        // no expression or no bloom
        if (consumerFilterData == null || consumerFilterData.getExpression() == null || consumerFilterData.getCompiledExpression() == null || consumerFilterData.getBloomFilterData() == null) {
            return true;
        }
        // message is before consumer
        if (cqExtUnit == null || !consumerFilterData.isMsgInLive(cqExtUnit.getMsgStoreTime())) {
            log.debug("Pull matched because not in live: {}, {}", consumerFilterData, cqExtUnit);
            return true;
        }
        byte[] filterBitMap = cqExtUnit.getFilterBitMap();
        BloomFilter bloomFilter = this.consumerFilterManager.getBloomFilter();
        if (filterBitMap == null || !this.bloomDataValid || filterBitMap.length * Byte.SIZE != consumerFilterData.getBloomFilterData().getBitNum()) {
            return true;
        }
        BitsArray bitsArray = null;
        try {
            bitsArray = BitsArray.create(filterBitMap);
            boolean ret = bloomFilter.isHit(consumerFilterData.getBloomFilterData(), bitsArray);
            log.debug("Pull {} by bit map:{}, {}, {}", ret, consumerFilterData, bitsArray, cqExtUnit);
            return ret;
        } catch (Throwable e) {
            log.error("bloom filter error, sub=" + subscriptionData + ", filter=" + consumerFilterData + ", bitMap=" + bitsArray, e);
        }
    }
    return true;
}