SHARK interface 1 analysis (1) - Startup process

zhaozj2021-02-16  50

SHARK process startup process

1) Positioning a workflow server

Shark.configure ("Shark.conf");

Sharkinterface Si = Shark.getInstance ();

2) Connect the workflow server

Sharkconnection sc = si. Getsharkconnection ();

Sc. Connect (username, pwd, engineename, scope);

3) Generate the process

WfProcess WFP = sc.createProcess (PKGID, PDEFID);

When the process is generated, use SharkConnection objects, and the user information is saved, and user information is used as a Requester for generated processes;

Then use two parameters: package definition ID and process definition ID to get the ID of the process manager;

Finally, use the process manager to generate the process

4) Startup process

WFP.Start ();

After a few rounds of Shark, the last implementation is in org.enhydra.shark.wfProcessimpl, the code is implemented as follows:

// There is an abnormal judgment

// The startup time is later

StartedTime = system.currenttimemillis ();

// change the state

Change_State (T, SharkconStants.State_Open_Running);

// Activation timer

THIS.ActivateLimitAgent (T);

// Drive process

Run (T, NULL);

5) Disconnect

Disconnect (SC);

Return Wfp.Key ();

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