public void setEcsContainerInstanceArn(String ecsContainerInstanceArn) {
        this.ecsContainerInstanceArn = ecsContainerInstanceArn;
    }
<p>
For container instances, the instance's ARN.
</p>

@param ecsContainerInstanceArn
       For container instances, the instance's ARN.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/Instance.java