public void setDirectoryId(String directoryId) {
        this.directoryId = directoryId;
    }
<p>
The ID of the Active Directory used for authentication.
</p>

@param directoryId
       The ID of the Active Directory used for authentication.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DirectoryServiceAuthentication.java