public void setReservedCacheNodeId(String reservedCacheNodeId) {
        this.reservedCacheNodeId = reservedCacheNodeId;
    }
<p>
The unique identifier for the reservation.
</p>

@param reservedCacheNodeId
       The unique identifier for the reservation.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ReservedCacheNode.java