@Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (this.attribute == null ? 0 : this.attribute.hashCode());
        result = prime * result + Arrays.hashCode(this.data);
        result = prime * result + (int) (this.indexId ^ this.indexId >>> 32);
        result = prime * result + (this.topic == null ? 0 : this.topic.hashCode());
        return result;
    }
Store key and value in attribute

@param keyVal    the key name
@param valueVal  the key value
inlong-tubemq/tubemq-core/src/main/java/org/apache/inlong/tubemq/corebase/Message.java