Re: [asap] implementation details

[Sameer Tyagi <Sameer.Tyagi@Sun.COM>]

Is there a Java version anywhere ?

Thanks
/s



John Fuller wrote:

> I just moved out the 5.2 sketch at
> http://sourceforge.net/projects/easyasap/
> 
> 
> For this release the user runs
> server_asap_demo for the factory service that handles the requests
> demo_asap_cli for the client observer that issues the creation request
> observer_asap_demo for the observer server that receives the completion 
> request
> 
> The given factory implementation is a multithreaded model where the 
> soap-message receiving dispatcher thread writes to a channel consumed 
> for the service that runs a finite state machine and writes to a channel 
> for the instance that consumes instance requests and runs a finite state 
> machine that controls a task (activity) which runs its own execution 
> finite state machine.
> 
> Here's an example exchange
> 
> 
> <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"; 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
> env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";><env:Header><ns1:Request 
> xmlns:ns1="urn:xml:spec:asap:2003-12" xsi:type="ns1:Request"><SenderKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7776</SenderKey><ReceiverKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7777</ReceiverKey><ResponseRequired 
> xsi:type="ns1:YesNoIfError">Yes</ResponseRequired></ns1:Request></env:Header><env:Body><m:CreateInstanceRq 
> xmlns:m="urn:xml:spec:asap:2003-12"><StartImmediately 
> xsi:type="xsd:boolean">true</StartImmediately><ObserverKey 
> xsi:type="enc:Array" enc:arrayType="xsd:anyURI[1]"><item 
> xsi:type="xsd:anyURI">http://enkidu.local:7776</item></ObserverKey><Name 
> xsi:type="xsd:string">OOS</Name><Subject 
> xsi:type="xsd:string">Eaton</Subject><Description 
> xsi:type="xsd:string">Run OOS for Eaton</Description><ContextData 
> xsi:type="xsd:string">&lt;job_id&gt;14345&lt;/job_id&gt;</ContextData></m:CreateInstanceRq></env:Body></env:Envelope> 
> 
> 
> <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"; 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
> env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";><env:Header><ns1:Response 
> xmlns:ns1="urn:xml:spec:asap:2003-12" xsi:type="ns1:Response"><SenderKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7777</SenderKey><ReceiverKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7776</ReceiverKey><RequestID 
> xsi:type="xsd:anyURI"></RequestID></ns1:Response></env:Header><env:Body><m:CreateInstanceRs 
> xmlns:m="urn:xml:spec:asap:2003-12"><InstanceKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7777?statesystem_instance_id=20040213--1557155238-1864-6@Enkidu.local</InstanceKey></m:CreateInstanceRs></env:Body></env:Envelope> 
> 
> 
> <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"; 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
> env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";><env:Header><ns1:Request 
> xmlns:ns1="urn:xml:spec:asap:2003-12" 
> xsi:type="ns1:Request"><ReceiverKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7776</ReceiverKey></ns1:Request></env:Header><env:Body><m:CompletedRq 
> xmlns:m="urn:xml:spec:asap:2003-12"><InstanceKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7777?statesystem_instance_id=20040213--1557155238-1864-6@Enkidu.local</InstanceKey><ResultData 
> xsi:type="xsd:string"></ResultData></m:CompletedRq></env:Body></env:Envelope> 
> 
> 
> <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"; 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
> env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";><env:Header><ns1:Response 
> xmlns:ns1="urn:xml:spec:asap:2003-12" xsi:type="ns1:Response"><SenderKey 
> xsi:type="xsd:anyURI">http://enkidu.local:7776</SenderKey><ReceiverKey 
> xsi:type="xsd:anyURI"></ReceiverKey><RequestID 
> xsi:type="xsd:anyURI"></RequestID></ns1:Response></env:Header><env:Body><m:CompletedRs 
> xmlns:m="urn:xml:spec:asap:2003-12"><ns2:CompletedRs 
> xmlns:ns2="AS"></ns2:CompletedRs></m:CompletedRs></env:Body></env:Envelope>
> 
> 
> I recently looked at the "Cookbook" and noticed our Observerkey format 
> appears to be a little different. When I first read our specification, 
> the pseudo-xml and minOccurs in the schema suggested to me that we would 
> have zero or more (possibly many) observers.
> 
> Should we allow multiple observers in the creation request?
> If so, should I change the way I serialize them from what I have now 
> somehow?
> 
> 
> 

-- 

Sameer Tyagi
Enterprise Java Architect
Sun Microsystems Inc
Burlington MA

Tel      877-325-9504
Internal x51601