Examples of java.rmi.server.UID

java.rmi.server.UID
A UID represents an identifier that is unique over time with respect to the host it is generated on, or one of 2¹⁶ "well-known" identifiers.
The {@link #UID()} constructor can be used to generate anidentifier that is unique over time with respect to the host it is generated on. The {@link #UID(short)} constructor can be used tocreate one of 2¹⁶ well-known identifiers.
A UID instance contains three primitive values:
- unique, an int that uniquely identifies the VM that this UID was generated in, with respect to its host and at the time represented by the time value (an example implementation of the unique value would be a process identifier), or zero for a well-known UID
- time, a long equal to a time (as returned by {@link System#currentTimeMillis()}) at which the VM that this UID was generated in was alive, or zero for a well-known UID
- count, a short to distinguish UIDs generated in the same VM with the same time value
An independently generated UID instance is unique over time with respect to the host it is generated on as long as the host requires more than one millisecond to reboot and its system clock is never set backward. A globally unique identifier can be constructed by pairing a UID instance with a unique host identifier, such as an IP address. @author Ann Wollrath @author Peter Jones @version 1.24, 06/02/23 @since JDK1.1

  private String initBridgeRequestScope(PortletRequest request, StateAwareResponse response)
  {


    // Generate an RMI UID, which is a unique identifier WITHIN the local
    // host. This will be used as the new lifecyleID
    UID uid = new UID();
    String requestScopeId = qualifyScopeId(mPortletConfig.getPortletName(),
                                           request.getPortletSession(true).getId(),
                                           request.getPortletMode().toString(),
                                           uid.toString());


    if (response != null)
    {
      // set in response render parameter so will receive in future calls
      // however don't store internally until there is specific state to

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     * 
     * @return The identifier
     */
    protected String createUniqueIdentifier()
    {
        return new UID().toString().replace(':', '_').replace('-', '_');
    }

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      {
         ++mbeanServerCount;
         count = mbeanServerCount;
      }


      UID uid = new UID();
      return uid.toString() + ":" + getLocalHost() + ":" + count;
   }

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    }
    return retval;
  }


  public static String getUniqueClusterName(String base_name) {
    return base_name != null ? base_name + "-" + new UID().toString()
        : new UID().toString();
  }

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     * @param workListener Work listener for callbacks.
     * @return Work Work item representing the asynchronous work
     */
    public WorkItem schedule(Work<?> work, WorkListener workListener) throws IllegalArgumentException {


        WorkItem workItem = new WorkItem(new UID().toString(), work);
        if (workListener != null) {
            workItems.put(workItem, workListener);
        }
        workAccepted(workItem, work);
        if (scheduleWork(work, workItem)) {

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    static final String _inetAddr = initInetAddr();


    //first method (from MarketMaker Guid)
    public static String generateUuidMM() {
        return new StringBuffer(new UID().toString()).reverse().append(':').append(_inetAddr).toString();
    }

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                    " ) is invalid, it must be a non-null string of non-zero length" );
        }
        if ( playbackFile == null || diffFile == null ) {
            error( "the playback and diff files may not be null" );
        }
        uid = new UID();
        stringUid = uid.toString();
        this.playbackFile = playbackFile;
        this.diffFile = diffFile;
        this.recordFile = recordFile;
        if ( !recordFile.exists() ) {

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            }
        }
    }


    protected void testNewRequest( ServletRequest request ) {
        UID uid = (UID) request.getAttribute( Constants.REQUEST_MARKER_ATTRIBUTE );
        // the request should not have been wrapped either if it goes here
        if ( uid == null ) {
            // this is the first time this request has been seen in the filter.
            // set the marker attribute
            request.setAttribute( Constants.REQUEST_MARKER_ATTRIBUTE, new UID() );
            newRequest = true;
        }
        else {
            newRequest = false;
        }

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  private String initBridgeRequestScope(ActionRequest request, ActionResponse response)
  {


    // Generate an RMI UID, which is a unique identifier WITHIN the local
    // host. This will be used as the new lifecyleID
    UID uid = new UID();
    String requestScopeId = qualifyScopeId(mPortletConfig.getPortletName(),
                                           request.getPortletSession(true).getId(),
                                           request.getPortletMode().toString(),
                                           uid.toString());


    // set in response render parameter so will receive in future calls
    // however don't store internally until there is specific state to
    // manage
    response.setRenderParameter(REQUEST_SCOPE_ID_RENDER_PARAM, requestScopeId);

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      }
    }
    return nodeList; // empty list
  }
  public static String generateUniqueId() {
    return new UID().toString();
  }

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