EMBasicXMLInvoker class

The EMBasicXMLInvoker class eliminates the need for polling by not returning the response until either the final response is available from the server, or the API times out. The advantage is that you do not have to process the responses or place additional requests. The EMBasicXMLInkvoker uses an XML schema to validate XML formatted request and response strings. See XML string validation.

The EMBasicXMLInvoker class has the following limitations:

• The API call might be blocked for several seconds, until the final response is available or the call times out. The time out period is configurable.
• After receiving the response, the EMBasicXMLInvoker class performs additional processing to determine its course of action.
• Because the EMBasicXMLInvoker class performs XML parsing, this class makes it more resource intensive than the EMXMLInvoker class.

The following flowchart illustrates the EMBasicXMLInvoker request session: