Oracle BPM ; Get Process text audit trail using BPM api's

Using the below code you can get text audit trail details of a process instance using process id.

	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import oracle.bpel.services.bpm.common.IBPMContext;
	import oracle.bpel.services.workflow.client.IWorkflowServiceClientConstants;
	import oracle.bpm.client.BPMServiceClientFactory;
	import oracle.bpm.services.client.IBPMServiceClient;
	import oracle.bpm.services.instancemanagement.model.IProcessInstance;
	import oracle.bpm.services.instancequery.IAuditInstance;
	import oracle.bpm.services.instancequery.IInstanceQueryService;
	import oracle.bpm.services.internal.processmodel.model.IProcessModelPackage;
	public class Class2 {
	private static BPMServiceClientFactory bpmscf;
	public Class2() {
	super();
	}
	public static void main(String[] args) throws Exception {
	// process id will be like bpmn:240481 in EM console
	String instanceIdS = "240481";
	// get the BPMServiceClient
	IBPMServiceClient bpmServiceClient =
	getBPMServiceClientFactory().getBPMServiceClient();
	IBPMContext bpmContext =
	getBPMServiceClientFactory().getBPMUserAuthenticationService().authenticate("xxx",
	"xxx".toCharArray(),
	null);
	// get details of the process instance
	IInstanceQueryService instanceQueryService =
	bpmServiceClient.getInstanceQueryService();
	IProcessInstance processInstance =
	instanceQueryService.getProcessInstance(bpmContext, instanceIdS);
	if (processInstance != null) {
	// get details of the process (not a specific instance of it,
	// but the actual process definition itself)
	// WARNING WARNING WARNING
	// The ProcessModelService is an UNDOCUMENTED API - this means
	// that it could (and probably will) change in some future
	// release - you SHOULD NOT build any code that relies on it,
	// unless you understand and accept the risks of using an
	// undocumented API.
	IProcessModelPackage processModelPackage =
	bpmServiceClient.getProcessModelService().getProcessModel(bpmContext,
	processInstance.getSca().getCompositeDN(),
	processInstance.getSca().getComponentName());
	// get a list of the audit events that have occurred in this instance
	List<IAuditInstance> auditInstances =
	bpmServiceClient.getInstanceQueryService().queryAuditInstanceByProcessId(bpmContext,
	instanceIdS);
	for (IAuditInstance a1 : auditInstances) {
	System.out.println(a1.getActivityName());
	System.out.println(a1.getCompositeInstanceId());
	System.out.println(a1.getLabel());
	System.out.println(a1.getCreateTime().getTime());
	System.out.println("---------------------------");
	}
	} else {
	System.out.println("Could not find instance");
	}
	}
	protected static BPMServiceClientFactory getBPMServiceClientFactory() {
	if (bpmscf == null) {
	Map properties = new HashMap();
	properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.CLIENT_TYPE,
	IWorkflowServiceClientConstants.CLIENT_TYPE_REMOTE);
	properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_PROVIDER_URL,
	"t3://xxx:xxx");
	properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_SECURITY_CREDENTIALS,
	"xxxx");
	properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_SECURITY_PRINCIPAL,
	"xxx");
	bpmscf =
	BPMServiceClientFactory.getInstance(properties, null, null);
	}
	return bpmscf;
	}
	}

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