public void setOperationState(String operationState) {
        this.operationState = operationState;
    }
<p>
State of the cluster operation.
</p>

@param operationState
       <p>
       State of the cluster operation.
       </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/ClusterOperationV2.java