Answers for the some of questions according to my knowledge...
1. Message type defines the structure of the message instance.
3. Namespace can make xi objects as unique objects.
4. Idoc, RFC adapters are fro SAP R/3.
5. Java mapping , Abap mapping, XSLT mapping and Graphical mapping.
6. advantage: If multiple receiver or senders then it is very is to handle.
Disadvantage : Because of BPM performace is goes down.
7. Adapter can convert the messages into XML format and sendto integratin server and Proxy directly sends messages to Integration server.
8. Business system is Logical system for example a specific client on SAP server, Technical system is physical system for example SAP server is physical system with multiple clients.
9. SLD, IR, ID, RWC, Integration Server.
10. Global container is used in User defined function, which can be used to cache the value , that can be called in any user defined function of the message mapping.
11. Integraio server having the one Integration Engine and one Adapter Engine. Integration engine runs on ABAP stack and Adapter engine runs on Java stack.
12. Standard functions and user defined functions.
15. UDF(simple) : This function type can process individual field input values for each function call. Therefore, simple functions expect strings as input values and return a string.
Advanced UDF: Advanced user-defined functions can access more than just individual field values. Instead, you can import a complete context or an entire queue for a field as an array before your function is called. This enables you, for example, to perform calculations on all field values of a context as well as to divide up the contexts themselves further by inserting a context change.
Advanced user-defined functions can import either just one context into the input arrays, or complete queues. Make your selection by selecting or deselecting the Save Entire Queue in Cache checkbox in the function editor.
18. When you need to collect multiple messages in XI ,you need correlation.
Assume that there are 2 systems sending data to XI and Xi needs to collect the messages of the Systems.
System A has sent the message to XI and BPM is waiting for message from System B. Even before System B can send its message another message from System A has it Xi and another BPm is instantitated. Now, when System B sends the message how do you know which BPM it belongs to?
Correlation as the name implies is used to correalte / connect the message so that they are assigned to the correct process Instance / BPM.
19. Integration Scenario Patterns:
1. Synchronous versus Asynchronous Scenario
2. Collection of Messages
3. Split of Messages
4. State full Processing - Integration Process
5. Serialization
20. We use BPM when we need to do:
1.Controling or Monitoring of messages in XI
2. Collect or Merge the messages in XI
3. Split the messages in XI
4. Multicast a Message
5. Need to send an Alert
6. Transformation
when we need to maintain the state of a message we use BPM.
eg. collect messages specific condition like Collect msg up to defined no. or up to a specific time of a day.
-> merging of messages and sending as a single message.
->splitting of mesages
->synchronous/asynchronous bridge
21. Java Webstart is an cache applications mainly used to support the fat clients, since our IR and ID arefat clients we need this Webstart to work on these....now in simple word to dfefine fat clients is that you are working on client and data gets updated on server.....so Webstart allows you to download all the jar files required to work from the client at once, so you will notice when you oprn your IR and ID for the first time in the systems it takes time to open reason is it downlaod all the necssary jar files required to work IR and ID from your system
22. Intergration Server, Business Process Engine are components of ABAP,
Adapter frame work, Mapping engine, ID, IR, and RWB are components of Java.
23. The namespace could be any string that uniquely defines the scope of those determined fields of the XML file. Usually, you use a URI to define that unique string, and since URLs are the most common URIs, people tend to use plain http URLs as the namespace (it doesn't need to be a valid url). But using "urn:test" for example isn't wrong.
From the specification:
URI
URI = Uniform Resource Identifier
There are two types of URIs: URLs and URNs
URL
URL = Uniform Resource Locator
<protocol>:// <host> :<port> [<path> ? <query>]
URN
URN = Uniform Resource Name.
URNs define XML schemas.
urn:<namespace>:<string>
URN: Uniform Resource Name
urn:sap-com:xi:demo (URI with out protocol assignment)
URL: Uniform Resource Locator
http://sap.com/xi
24. Transport Protocol
JBDC 2.0
Message Protocol
● XML SQL format
Table values can be inserted, updated, or deleted in one or more tables. In the database, stored procedures can be called using transfer parameters. In the case of synchronous queries, results from database queries or return values of stored procedures can also be transferred.
● Native SQL String
An arbitrary SQL statement is expected as the message content. This statement is transferred unaltered to the database for processing.
Depending on the message protocol you selected, the adapter expects special XML document formats in the message from the Integration Server or the PCK. For more information about the document formats, see: Document Formats for the Receiver JDBC Adapter.
Adapter Engine
Select the Adapter Engine on the Integration Server, or select a non-centrally installed Adapter Engine. This selection is not available in the PCK.
Connection Tab Page
Database Connection
Specify the following to establish the database connection:
Field
Entry
JDBC Driver
Java class of the JDBC driver that the JDBC adapter must load to be able to access the driver. The specification varies according to the JDBC driver; see material from the respective provider for exact details.
Connection
Address with which you can establish a database connection using the JDBC driver. The specification varies according to the JDBC driver; see material from the respective provider for exact details.
User Name
User name for logging on to the database.
Password
Password for logging on to the database, including confirmation.
25. Alerts within XI give us a simple way to monitor only those errors that we want and send alert messages
to different people depending on the alert category. You can send alert to alert inbox, mail an even on SMS
if your cell phone operator gives you the possibility of sending an sms through a web service.
At first we have to create an alert category:
- go to TCODE - ALRTCATDEF
- change mode
- define you alert category
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