Java™ APIs for XML Kick Start

JAXM Message Exchange Categories

In the JAXM environment, a message exchange is essentially an exchange of SOAP-based XML documents between the businesses. They can be categorized into five types:

• Asynchronous inquiry

• Asynchronous update with acknowledgment

• Synchronous update

• Synchronous inquiry

• Fire-and-forget

We'll discuss these message categories in more detail in the following sections.

Asynchronous Inquiry

In an asynchronous inquiry, the JAXM client sends a message and does not wait for the response; see Figure 7.2. The receiver reads and processes the request and generates the reply. The reply is then sent back to the client. This reply generation and transmission is a separate process from the request receipt, and the time interval between ...