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Publications

Publications specify the content of a topic that is sent to a subscriber. Click on the Publications tab to open the table view of publications. You will see a list of publications, the topics to which each one publishes, and the communication protocol used to send the notification.

Creating a Publication

To create a publication and associate it with topics, click on the New button.

1. Provide a name for the publication.
2. Select a protocol. (See below for descriptions)
3. Protocol-specific fields will appear underneath. Complete these fields (see below).
4. Assign relevant topics to publish to. Use the item-selector box in the "Topics to Publish to" section to move topics from the left-window into the right-window. Click on Add All >> to assign all topics to the publication or click on select topics and click on Add > to assign specific topics to the publication.
5. Click OK.

Protocols

The following are brief descriptions of the available subscription protocols. For more information, see the FME Server Reference Manual.

Email

The email protocol allows users to have notifications delivered to an email address or several email addresses. The following field must be completed by users adding new subscribers of this type:

• Email User Name: The user name of the email address on the FME Server host system that receives the notification email. For example, if the email address is user@serverhost.com, enter user.

JMS

The Java Message System (JMS) publisher communicates with JMS-compliant message brokers, such as IBM WebSphere MQ. Below is a description of the fields that must be completed by users adding new subscribers of this type:

• Provider Type or Context: The message broker to connect to, or the initial context factory if the broker is not listed.
• Provider URL: The URL of the directory containing connection details for the JMS provider.
• Additional Provider Properties: Any additional provider-specific properties, in the form key=value.
• Connection Factory: The name of the connection factory object.
• Username: An authenticating username.
• Password: An authenticating password.
• Destinations: The name of the destination object(s). These correspond to queues and/or topics. Multiple destinations can be specified, separated with a comma.

UDP

UDP is a simple datagram protocol that sends and receives data through specific UDP ports. The data delivery is not guaranteed. Many sensor devices and mobile apps use UDP to publish live data.

The FME Server Notification Service UDP publisher relays UDP messages and publishes them to notification topics. Using the UDP publisher, you can enable multiple UDP ports to listen for incoming data packets. Each UDP port can be uniquely configured to publish incoming UDP messages to one or more notification topics.

Modifying an Existing Publication

To modify an existing publication, click on the publication entry in the table. A dialog similar to the one used to add new subscribers will appear populated with the properties of the selected subscriber. Make changes as needed and click OK.

Removing a Publication

To remove an existing publication select the publication row from the table and click Remove.

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