public void setTaskExecutionArn(String taskExecutionArn) {
        this.taskExecutionArn = taskExecutionArn;
    }
<p>
Specifies the Amazon Resource Name (ARN) of the task execution that you want information about.
</p>

@param taskExecutionArn
       Specifies the Amazon Resource Name (ARN) of the task execution that you want information about.
aws-java-sdk-datasync/src/main/java/com/amazonaws/services/datasync/model/DescribeTaskExecutionRequest.java