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Difference between revisions of "Stardust/Knowledge Base/API/JavaAPICookbook/FetchingPIandAIHistoricalEvents"

(Activity Instance Historical Events:)
(Process Instance Historical Events:)
 
Line 25: Line 25:
  
 
<source lang="java">
 
<source lang="java">
    ProcessInstanceQuery piQuery = ProcessInstanceQuery.findAlive();
+
ProcessInstanceQuery piQuery = ProcessInstanceQuery.findAlive();
    piQuery.setPolicy(HistoricalEventPolicy.ALL_EVENTS);
+
piQuery.setPolicy(HistoricalEventPolicy.ALL_EVENTS);
 
              
 
              
    ProcessInstances pis = qs.getAllProcessInstances(piQuery);
+
ProcessInstances pis = qs.getAllProcessInstances(piQuery);
 
                          
 
                          
    for (Iterator iterator = pis.iterator(); iterator.hasNext();) {
+
for (Iterator iterator = pis.iterator(); iterator.hasNext();) {
        ProcessInstance pi = (ProcessInstance) iterator.next();
+
    ProcessInstance pi = (ProcessInstance) iterator.next();
        //log.info("PI: " + pi.getOID());
+
    //log.info("PI: " + pi.getOID());
        ProcessInstanceDetails details = (ProcessInstanceDetails)pi;
+
    ProcessInstanceDetails details = (ProcessInstanceDetails)pi;
        List<HistoricalEvent> events = details.getHistoricalEvents();
+
    List<HistoricalEvent> events = details.getHistoricalEvents();
 
                          
 
                          
        for (HistoricalEvent historicalEvent : events) {
+
    for (HistoricalEvent historicalEvent : events) {
              System.out.println("PI:" + pi.getOID() + " Event time:" +  historicalEvent.getEventTime());                                         
+
      System.out.println("PI:" + pi.getOID() + " Event time:" +  historicalEvent.getEventTime());                                         
              System.out.println("PI:" + pi.getOID() + " Event type:" + historicalEvent.getEventType());                                         
+
      System.out.println("PI:" + pi.getOID() + " Event type:" + historicalEvent.getEventType());                                         
              System.out.println("PI:" + pi.getOID() + " Event details :" +  
+
      System.out.println("PI:" + pi.getOID() + " Event details :" +  
 
historicalEvent.getDetails());         
 
historicalEvent.getDetails());         
 
                                      
 
                                      
                  }           
+
    }           
          }
+
}
 
</source>
 
</source>

Latest revision as of 01:38, 11 April 2014

Purpose

This article describes how to fetch Process Instance and Activity Instance related Historical Events like Time, Type and Details..etc,
based on the defined Historical Event Policy.

Activity Instance Historical Events:

ProcessInstanceFilter filter = new ProcessInstanceFilter(piOID); //Pass in the Process instance OID
 
ActivityInstanceQuery query = new ActivityInstanceQuery();
query.where(filter);
query.setPolicy(HistoricalEventPolicy.ALL_EVENTS);
query.orderBy(ActivityInstanceQuery.START_TIME);
 
ActivityInstances actInstList = qs.getAllActivityInstances(query);
 
for(ActivityInstance actInst: actInstList){
    ActivityInstanceHistory actHistory 
       = new ActivityInstanceHistory(actInst.getOID(), 
       actInst.getActivity().getId(), 
       actInst.getHistoricalEvents());
}

Process Instance Historical Events:

ProcessInstanceQuery piQuery = ProcessInstanceQuery.findAlive();
piQuery.setPolicy(HistoricalEventPolicy.ALL_EVENTS);
 
ProcessInstances pis = qs.getAllProcessInstances(piQuery);
 
for (Iterator iterator = pis.iterator(); iterator.hasNext();) {
    ProcessInstance pi = (ProcessInstance) iterator.next();
    //log.info("PI: " + pi.getOID());
    ProcessInstanceDetails details = (ProcessInstanceDetails)pi;
    List<HistoricalEvent> events = details.getHistoricalEvents();
 
    for (HistoricalEvent historicalEvent : events) {
       System.out.println("PI:" + pi.getOID() + " Event time:" +  historicalEvent.getEventTime());                                        
       System.out.println("PI:" + pi.getOID() + " Event type:" + historicalEvent.getEventType());                                        
       System.out.println("PI:" + pi.getOID() + " Event details :" + 
historicalEvent.getDetails());        
 
     }           
}

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