public void setEcsClusterArn(String ecsClusterArn) {
        this.ecsClusterArn = ecsClusterArn;
    }
<p>
The cluster's ARN.
</p>

@param ecsClusterArn
       The cluster's ARN.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/EcsCluster.java