Connectors

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The Connectors screen supports viewing and editing HL7 connectors.

Connectors may be:

  • Senders - used to send HL7 messages from OpenVPMS to an external system
  • Receivers - used to receive HL7 messages from an external system

The buttons are as follows:

New create a new Connector
Edit edit the selected Connector
Delete delete the selected Connector - a confirmation window will appear
Messages displays HL7 messages sent or received via the selected Connector
Stop stops messaging for a Sender. Messages will be queued until the Sender is started.
Start starts messaging for a Sender
   

Creating a new HL7 Connector

The New button is used to create a new HL7 Connector:

The available Connectors are:

HL7 MLLP Receiver used to receive HL7 messages from an external application
HL7 MLLP Sender used to send HL7 messages to an external application

HL7 MLLP Receiver

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This is the create/edit/view screen for HL7 MLLP Receivers. These are responsible for receiving HL7 messages using the MLLP protocol over TCP/IP, from external applications.

The fields are as follows:

Id the receiver identifier
Name the receiver name
Active uncheck this box to deactivate the receiver. Deactivating the receiver prevents HL7 messages being received.
Port The TCP/IP port to listen on
Sending Application Uniquely identifies the sending application among all other applications within the network.
Sending Facility Identifies the sending application facility.
Receiving Application Uniquely identifies the receiving application among all other applications within the network.
Receiving Facility Identifies the receiving application facility.
Mapping The HL7 Mapping to use when creating messages.

HL7 MLLP Sender

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This is the create/edit/view screen for HL7 MLLP Senders. These are responsible for sending HL7 messages using the MLLP protocol over TCP/IP, to external applications.

The fields are as follows:

Id the sender identifier
Name the sender name
Active uncheck this box to deactivate the sender. Deactivating the sender prevents HL7 messages being sent.
Host The host to connect to
Port The port to connect to
Sending Application Uniquely identifies the sending application among all other applications within the network.
Sending Facility Identifies the sending application facility.
Receiving Application Uniquely identifies the receiving application among all other applications within the network.
Receiving Facility Identifies the receiving application facility.
Response Timeout The maximum time to wait for responses, in seconds.
Retry Interval The time to wait after an error occurs, before resubmitting a message.
Mapping The HL7 Mapping to use when creating messages.

Messages

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The Messages window displays HL7 messages sent or received via a HL7 Connector.

The query fields are as follow:

  • Status

Finds message by their status. Use:

  • All
 to find all messages
  • Incomplete
 to find messages that have Pending or Error status.
  • Pending
 to find messages that haven't been submitted
  • Error
 to find messages that have been rejected due to error
  • Accepted
 to find mesages that have been successfully sent
  • Cancelled
 to find messages that have been cancelled
  • All/Date range
 Allows messages to be found by date, or use All to find messages for all dates.

The buttons are as follows:

  • Find
 Find all messages matching the criteria. Also press this to refresh the display.
  • OK
 Closes the window
  • Resubmit

Resubmits a message to an external application. Only applies to:

  • messages with Error status; and
  • Sender connectors.
  • Dequeue

This is used to prevent a message from being sent. Once dequeued, the message cannot be re-queued.

Only applies to Sender connectors.