public class SamrDomainHandle extends rpc.policy_handle implements AutoCloseable {

    private final DcerpcHandle handle;
    private boolean opened;


    public SamrDomainHandle ( DcerpcHandle handle, SamrPolicyHandle policyHandle, int access, rpc.sid_t sid ) throws IOException {
        this.handle = handle;
        MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);

        DcerpcHandle handle = null;
        SamrPolicyHandle policyHandle = null;
        SamrDomainHandle domainHandle = null;
        SID domsid = getDomainSid();

synchronized (sid_cache) {
        try {
            handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName +
                    "[\\PIPE\\samr]", auth);
            policyHandle = new SamrPolicyHandle(handle, authorityServerName, 0x00000030);