public void setRoleArn(String roleArn) {
        this.roleArn = roleArn;
    }
The ARN for the role that MediaLive assumes to access the attached flow and secret.

@param roleArn
       The ARN for the role that MediaLive assumes to access the attached flow and secret.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/InputDeviceMediaConnectSettings.java